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Species Alpha Codes (Four-letter bird banding codes)

ADWA
  
Adelaide's Warbler
AFSI
  
African Silverbill
AGHE
  
Agami Heron
AISP
  
Ainley's Storm-Petrel
AKEK
  
Akekee
AKIA
  
Akiapolaau
AKIK
  
Akikiki
AKOH
  
Akohekohe
ACGO
  
Aleutian Cackling Goose
ALTE
  
Aleutian Tern
ALSW
  
Alpine Swift
ALOR
  
Altamira Oriole
ALYE
  
Altamira Yellowthroat
AMAU
  
Amaui
AMKI
  
Amazon Kingfisher
AMAV
  
American Avocet
AMBI
  
American Bittern
ABDU
  
American Black Duck
AMCO
  
American Coot
AMCR
  
American Crow
AMDI
  
American Dipper
AMFL
  
American Flamingo
AMGP
  
American Golden-Plover
AMGO
  
American Goldfinch
AGWT
  
American Green-winged Teal
AMKE
  
American Kestrel
AMOY
  
American Oystercatcher
AMPI
  
American Pipit
APKI
  
American Pygmy Kingfisher
AMRE
  
American Redstart
AMRO
  
American Robin
ATTW
  
American Three-toed Woodpecker
ATSP
  
American Tree Sparrow
AWPE
  
American White Pelican
AMWI
  
American Wigeon
AMWO
  
American Woodcock
ATHU
  
Amethyst-throated Hummingbird
ANMU
  
Ancient Murrelet
ANHI
  
Anhinga
ANIA
  
Anianiau
ANHU
  
Anna's Hummingbird
ANCH*
  
Antillean Crested Hummingbird
ANEU
  
Antillean Euphonia
ANMA
  
Antillean Mango
ANNI
  
Antillean Nighthawk
ANPS
  
Antillean Palm-Swift
ANPI
  
Antillean Piculet
ANSI
  
Antillean Siskin
APAP
  
Apapane
APFA
  
Aplomado Falcon
ARLO
  
Arctic Loon
ARTE
  
Arctic Tern
ARWA
  
Arctic Warbler
AKLW
  
Arctic/Kamchatka Leaf Warbler
ARWO
  
Arizona Woodpecker
ARRW*
  
Arrowhead Warbler
ATFL
  
Ash-throated Flycatcher
ASSP
  
Ashy Storm-Petrel
AFOW
  
Ashy-faced Owl
ATCH
  
Ashy-throated Chlorospingus
ABFL
  
Asian Brown Flycatcher
ASRF
  
Asian Rosy-Finch
ATGR
  
Atitlan Grebe
BRAN
  
Atlantic Brant
ATPU
  
Atlantic Puffin
AUOR
  
Audubon's Oriole
AUSH
  
Audubon's Shearwater
AUWA
  
Audubon's Warbler
AZRA
  
Aztec Rail
AZTH
  
Aztec Thrush
AZGA
  
Azure Gallinule
AZCH*
  
Azure-crowned Hummingbird
AHJA
  
Azure-hooded Jay
ARTA
  
Azure-rumped Tanager
BACS*
  
Bachman's Sparrow
BAWA
  
Bachman's Warbler
BAMO
  
Bahama Mockingbird
BAHO*
  
Bahama Oriole
BAHS*
  
Bahama Swallow
BAHW*
  
Bahama Warbler
BAWO
  
Bahama Woodstar
BAYE
  
Bahama Yellowthroat
BATE
  
Baikal Teal
BAJU
  
Baird's Junco
BASA
  
Baird's Sandpiper
BAIS*
  
Baird's Sparrow
BATR
  
Baird's Trogon
BAEA
  
Bald Eagle
BASO
  
Balsas Screech-Owl
BAOR
  
Baltimore Oriole
BANA
  
Bananaquit
BABW*
  
Band-backed Wren
BAQU
  
Banded Quail
BANW*
  
Banded Wren
BSTP*
  
Band-rumped Storm-Petrel
BRSW
  
Band-rumped Swift
BTBA
  
Band-tailed Barbthroat
BTPI
  
Band-tailed Pigeon
BANS*
  
Bank Swallow
BABU
  
Barbados Bullfinch
BARW*
  
Barbuda Warbler
BACA*
  
Bare-crowned Antbird
BLOW
  
Bare-legged Owl
BNUM
  
Bare-necked Umbrellabird
BSSO
  
Bare-shanked Screech-Owl
BTTH
  
Bare-throated Tiger-Heron
BANO*
  
Barn Owl
BARS*
  
Barn Swallow
BARG*
  
Barnacle Goose
BASH
  
Barolo Shearwater
BAAN
  
Barred Antshrike
BABE
  
Barred Becard
BAFF
  
Barred Forest-Falcon
BAHA
  
Barred Hawk
BADO*
  
Barred Owl
BAPA
  
Barred Parakeet
BAPU
  
Barred Puffbird
BAGO
  
Barrow's Goldeneye
BTGO
  
Bar-tailed Godwit
BWOR
  
Bar-winged Oriole
BAFA
  
Bat Falcon
BAYW*
  
Bay Wren
BBRC*
  
Bay-breasted Cuckoo
BBWA
  
Bay-breasted Warbler
BHTA
  
Bay-headed Tanager
BESO
  
Bearded Screech-Owl
BEWP
  
Bearded Wood-Partridge
BEAH*
  
Beautiful Hummingbird
BETR
  
Beautiful Treerunner
BEEH*
  
Bee Hummingbird
BEGU
  
Belcher's Gull
BSSP
  
Belding's Savannah Sparrow
BEYE
  
Belding's Yellowthroat
BESP
  
Bell's Sparrow
BEVI
  
Bell's Vireo
BEFL
  
Belted Flycatcher
BEKI
  
Belted Kingfisher
BETH
  
Bendire's Thrasher
BEPE
  
Bermuda Petrel
BEHU
  
Berylline Hummingbird
BESW
  
Bewick's Swan
BEWR
  
Bewick's Wren
BITH
  
Bicknell's Thrush
BIAN
  
Bicolored Antbird
BIHA
  
Bicolored Hawk
BIWR
  
Bicolored Wren
BIOO
  
Bishop's Oo
BLAN
  
Black Antshrike
BLBR
  
Black Brant
BLCA
  
Black Catbird
BLFR
  
Black Francolin
BLAG*
  
Black Guan
BLGU
  
Black Guillemot
BLHE
  
Black Hawk-Eagle
BLAK*
  
Black Kite
BLMA
  
Black Mamo
BLNO
  
Black Noddy
BLOR
  
Black Oropendola
BLOY
  
Black Oystercatcher
BLPH
  
Black Phoebe
BLRA
  
Black Rail
BLRF
  
Black Rosy-Finch
BLSC
  
Black Scoter
BLSK
  
Black Skimmer
BLSP
  
Black Storm-Petrel
BLSW
  
Black Swift
BLTE
  
Black Tern
BLTH
  
Black Thrush
BLTU
  
Black Turnstone
BLVU
  
Black Vulture
BAWB
  
Black-and-white Becard
BAWH
  
Black-and-white Hawk-Eagle
BLWO*
  
Black-and-white Owl
BAWW
  
Black-and-white Warbler
BAYS
  
Black-and-yellow Silky-flycatcher
BAYT
  
Black-and-yellow Tanager
BBOR
  
Black-backed Oriole
BBWO
  
Black-backed Woodpecker
BBNW*
  
Black-banded Woodcreeper
BLBH*
  
Black-bellied Hummingbird
BBPL
  
Black-bellied Plover
BBSP
  
Black-bellied Storm-Petrel
BBWD
  
Black-bellied Whistling-Duck
BBEW*
  
Black-bellied Wren
BBCU
  
Black-billed Cuckoo
BLBF*
  
Black-billed Flycatcher
BBMA
  
Black-billed Magpie
BBNT
  
Black-billed Nightingale-Thrush
BBPA
  
Black-billed Parrot
BBPU
  
Black-breasted Puffbird
BBWQ
  
Black-breasted Wood-Quail
BBAL
  
Black-browed Albatross
BLBW*
  
Blackburnian Warbler
BCCH
  
Black-capped Chickadee
BCDO
  
Black-capped Donacobius
BCAF*
  
Black-capped Flycatcher
BCGN
  
Black-capped Gnatcatcher
BCPE
  
Black-capped Petrel
BPYT*
  
Black-capped Pygmy-Tyrant
BCSI
  
Black-capped Siskin
BCSW
  
Black-capped Swallow
BCVI
  
Black-capped Vireo
BCAT
  
Black-cheeked Ant-Tanager
BCWA
  
Black-cheeked Warbler
BCWO
  
Black-cheeked Woodpecker
BCHJ*
  
Black-chested Jay
BCHS*
  
Black-chested Sparrow
BCHU
  
Black-chinned Hummingbird
BCSP
  
Black-chinned Sparrow
BCHA
  
Black-collared Hawk
BCOR
  
Black-cowled Oriole
BCCO
  
Black-crested Coquette
BCTI
  
Black-crested Titmouse
BCAP*
  
Black-crowned Antpitta
BCAS*
  
Black-crowned Antshrike
BCNH
  
Black-crowned Night-Heron
BPLT*
  
Black-crowned Palm-Tanager
BCRT*
  
Black-crowned Tityra
BEWQ
  
Black-eared Wood-Quail
BFAN
  
Black-faced Antthrush
BFGR
  
Black-faced Grassquit
BFAG*
  
Black-faced Grosbeak
BFSO
  
Black-faced Solitaire
BFAL
  
Black-footed Albatross
BHEA*
  
Black-headed Antthrush
BHBR
  
Black-headed Brushfinch
BHGR
  
Black-headed Grosbeak
BHGU
  
Black-headed Gull
BHNT
  
Black-headed Nightingale-Thrush
BHSA
  
Black-headed Saltator
BHSI
  
Black-headed Siskin
BHTF
  
Black-headed Tody-Flycatcher
BHTR
  
Black-headed Trogon
BHOA*
  
Black-hooded Antshrike
BLKI
  
Black-legged Kittiwake
BNST
  
Black-necked Stilt
BLPW*
  
Blackpoll Warbler
BPYE
  
Black-polled Yellowthroat
BRUW*
  
Black-rumped Waxbill
BSTS*
  
Black-striped Sparrow
BSWO
  
Black-striped Woodcreeper
BTFL
  
Black-tailed Flycatcher
BTGN
  
Black-tailed Gnatcatcher
BLTG*
  
Black-tailed Godwit
BTGU
  
Black-tailed Gull
BTAT*
  
Black-tailed Trogon
BTGG*
  
Black-thighed Grosbeak
BTBW
  
Black-throated Blue Warbler
BTBO
  
Black-throated Bobwhite
BTYW*
  
Black-throated Gray Warbler
BTNW*
  
Black-throated Green Warbler
BTJA
  
Black-throated Jay
BTMJ
  
Black-throated Magpie-Jay
BTMA
  
Black-throated Mango
BTST
  
Black-throated Shrike-Tanager
BTSP
  
Black-throated Sparrow
BTHT*
  
Black-throated Trogon
BTWR
  
Black-throated Wren
BTCO
  
Black-tipped Cotinga
BVOR
  
Black-vented Oriole
BVSH
  
Black-vented Shearwater
BWVI
  
Black-whiskered Vireo
BWPE
  
Black-winged Petrel
BWST
  
Black-winged Stilt
BLBU
  
Blue Bunting
BLCO
  
Blue Cotinga
BLDA
  
Blue Dacnis
BLGR
  
Blue Grosbeak
BLGD
  
Blue Ground-Dove
BLJA
  
Blue Jay
BLMO
  
Blue Mockingbird
BMVI
  
Blue Mountain Vireo
BLSE
  
Blue Seedeater
BAGT
  
Blue-and-gold Tanager
BAWM
  
Blue-and-white Mockingbird
BAWS
  
Blue-and-white Swallow
BAYM
  
Blue-and-yellow Macaw
BGRA*
  
Blue-black Grassquit
BGRO*
  
Blue-black Grosbeak
BCAH*
  
Blue-capped Hummingbird
BCMO
  
Blue-capped Motmot
BCHH*
  
Blue-chested Hummingbird
BCRC*
  
Blue-crowned Chlorophonia
BCRM*
  
Blue-crowned Manakin
BFBO
  
Blue-footed Booby
BFPA
  
Blue-fronted Parrotlet
BGGN
  
Blue-gray Gnatcatcher
BGNO
  
Blue-gray Noddy
BGTA
  
Blue-gray Tanager
BHHU
  
Blue-headed Hummingbird
BHEP*
  
Blue-headed Parrot
BHQD
  
Blue-headed Quail-Dove
BHVI
  
Blue-headed Vireo
BTLH*
  
Blue-tailed Hummingbird
BLUE
  
Bluethroat
BTRG*
  
Blue-throated Goldentail
BTHH*
  
Blue-throated Hummingbird
BTMO
  
Blue-throated Motmot
BWTE
  
Blue-winged Teal
BWWA
  
Blue-winged Warbler
BREW*
  
Blyth's Reed Warbler
BOBF*
  
Boat-billed Flycatcher
BBHE
  
Boat-billed Heron
BTGR
  
Boat-tailed Grackle
BOBO
  
Bobolink
BOWA
  
Bohemian Waxwing
BOGU
  
Bonaparte's Gull
BOPE
  
Bonin Petrel
BOCH
  
Boreal Chickadee
BOOW
  
Boreal Owl
BOSP
  
Botteri's Sparrow
BOWR
  
Boucard's Wren
BREM
  
Brace's Emerald
BRAM
  
Brambling
BCOF*
  
Bran-colored Flycatcher
BRAC*
  
Brandt's Cormorant
BRAN
  
Brant
BRIN
  
Brant Intergrade
BRBL
  
Brewer's Blackbird
BRSP
  
Brewer's Sparrow
BRWA
  
Brewster's Warbler
BRQD
  
Bridled Quail-Dove
BRIS*
  
Bridled Sparrow
BRTE
  
Bridled Tern
BRTI
  
Bridled Titmouse
BRAT
  
Bright-rumped Attila
BTCU
  
Bristle-thighed Curlew
BBIH*
  
Broad-billed Hummingbird
BBMO
  
Broad-billed Motmot
BBIS*
  
Broad-billed Sandpiper
BBTO
  
Broad-billed Tody
BTAH*
  
Broad-tailed Hummingbird
BWHA
  
Broad-winged Hawk
BRMA
  
Bronze Mannikin
BROC*
  
Bronzed Cowbird
BOPT
  
Bronze-olive Pygmy-Tyrant
BTPL
  
Bronze-tailed Plumeleteer
BRHE
  
Bronzy Hermit
BRBO
  
Brown Booby
BRCR
  
Brown Creeper
BRJA
  
Brown Jay
BRNO
  
Brown Noddy
BRPE
  
Brown Pelican
BROS*
  
Brown Shrike
BRTH
  
Brown Thrasher
BRTR
  
Brown Trembler
BRVI
  
Brown Violetear
BBSO
  
Brown-backed Solitaire
BBSC
  
Brown-billed Scythebill
BCRF
  
Brown-capped Rosy-Finch
BCTY
  
Brown-capped Tyrannulet
BCAV*
  
Brown-capped Vireo
BCMA
  
Brown-chested Martin
BCFL
  
Brown-crested Flycatcher
BHCO
  
Brown-headed Cowbird
BHNU
  
Brown-headed Nuthatch
BHOP*
  
Brown-hooded Parrot
BRTW
  
Brownish Twistwing
BTPA
  
Brown-throated Parakeet
BRYS*
  
Bryan's Shearwater
BUDG
  
Budgerigar
BBEH*
  
Buff-bellied Hummingbird
BBFL
  
Buff-breasted Flycatcher
BBSA
  
Buff-breasted Sandpiper
BBRW*
  
Buff-breasted Wren
BCNI
  
Buff-collared Nightjar
BFFG
  
Buff-fronted Foliage-gleaner
BFQD
  
Buff-fronted Quail-Dove
BUFF
  
Bufflehead
BNIB
  
Buff-necked Ibis
BURW*
  
Buff-rumped Warbler
BTFG
  
Buff-throated Foliage-gleaner
BTSA
  
Buff-throated Saltator
BUTU
  
Buffy Tuftedcheek
BCWP
  
Buffy-crowned Wood-Partridge
BULS*
  
Buller's Shearwater
BUOR
  
Bullock's Oriole
BBOH
  
Bullock's X Baltimore Oriole Hybrid
BUPE
  
Bulwer's Petrel
BUHU
  
Bumblebee Hummingbird
BUOW
  
Burrowing Owl
BUSH
  
Bushtit
BCRJ*
  
Bushy-crested Jay
CAGS
  
Cabanis's Ground-Sparrow
CABW*
  
Cabanis's Wren
CACG*
  
Cackling Goose
CCGO
  
Cackling/Canada Goose
CACW*
  
Cactus Wren
CACO
  
California Condor
CAGN
  
California Gnatcatcher
CAGU
  
California Gull
CAQU
  
California Quail
CASJ
  
California Scrub-Jay
CATH
  
California Thrasher
CALT*
  
California Towhee
CAHU
  
Calliope Hummingbird
CANG*
  
Canada Goose
CAJA
  
Canada Jay
CAWA
  
Canada Warbler
CAKW*
  
Canebrake Wren
CAEM
  
Canivet's Emerald
CANV
  
Canvasback
CANT*
  
Canyon Towhee
CANW*
  
Canyon Wren
CMWA
  
Cape May Warbler
CSSS
  
Cape Sable Seaside-Sparrow
CVSH
  
Cape Verde Shearwater
CAHE
  
Capped Heron
CAGR
  
Carib Grackle
CADO
  
Caribbean Dove
CAEL
  
Caribbean Elaenia
CAMA
  
Caribbean Martin
CATA
  
Carmiol's Tanager
CACH
  
Carolina Chickadee
CAPA
  
Carolina Parakeet
CARW*
  
Carolina Wren
CBCC*
  
Carolina X Black-c. Chickadee Hybrid
CATE
  
Caspian Tern
CACR
  
Cassia Crossbill
CAAU
  
Cassin's Auklet
CAFI
  
Cassin's Finch
CAKI
  
Cassin's Kingbird
CASP
  
Cassin's Sparrow
CAVI
  
Cassin's Vireo
CAEG
  
Cattle Egret
CATY
  
Cattle Tyrant
CASW
  
Cave Swallow
CEDW*
  
Cedar Waxwing
CAPO
  
Central American Pygmy-Owl
CERW*
  
Cerulean Warbler
CHAS*
  
Chapman's Swift
CHHU
  
Charming Hummingbird
CHAL
  
Chatham Albatross
CTAN
  
Checker-throated Antwren
CHMU
  
Chestnut Munia
CBAN
  
Chestnut-backed Antbird
CBCH
  
Chestnut-backed Chickadee
CBCU
  
Chestnut-bellied Cuckoo
CBSA
  
Chestnut-bellied Sandgrouse
CCBR
  
Chestnut-capped Brushfinch
CCLO
  
Chestnut-collared Longspur
CCSW
  
Chestnut-collared Swift
CCOW*
  
Chestnut-colored Woodpecker
CFMA
  
Chestnut-fronted Macaw
CHOR
  
Chestnut-headed Oropendola
CSSV
  
Chestnut-sided Shrike-Vireo
CSWA
  
Chestnut-sided Warbler
CHRA
  
Chihuahuan Raven
CHSW
  
Chimney Swift
CHEG
  
Chinese Egret
CHPH
  
Chinese Pond-Heron
CHIS*
  
Chinese Sparrowhawk
CHSP
  
Chipping Sparrow
CHFG
  
Chiriqui Foliage-gleaner
CHQD
  
Chiriqui Quail-Dove
CHSI
  
Choco Sirystes
CHTA
  
Choco Tapaculo
CHTI
  
Choco Tinamou
CHSH
  
Christmas Shearwater
CWWI
  
Chuck-will's-widow
CHUK
  
Chukar
CIRB*
  
Cinereous Becard
CIMB*
  
Cinnamon Becard
CIHU
  
Cinnamon Hummingbird
CITE
  
Cinnamon Teal
CIWO
  
Cinnamon Woodpecker
CBFL
  
Cinnamon-bellied Flowerpiercer
CRSE
  
Cinnamon-rumped Seedeater
CTSP
  
Cinnamon-tailed Sparrow
CITR
  
Citreoline Trogon
CIWA
  
Citrine Wagtail
CLRA
  
Clapper Rail
CLWR
  
Clarion Wren
CLGR
  
Clark's Grebe
CLNU
  
Clark's Nutcracker
CCSP
  
Clay-colored Sparrow
CCTH
  
Clay-colored Thrush
CLSW
  
Cliff Swallow
COCT*
  
Cocoa Thrush
COWO
  
Cocoa Woodcreeper
COHE
  
Cocoi Heron
COCC*
  
Cocos Cuckoo
COFI
  
Cocos Finch
COCF*
  
Cocos Flycatcher
COSP
  
Coiba Spinetail
CPYO*
  
Colima Pygmy-Owl
COLW*
  
Colima Warbler
COAR
  
Collared Aracari
COFF
  
Collared Forest-Falcon
COPL
  
Collared Plover
COPR
  
Collared Pratincole
COLR*
  
Collared Redstart
COTO
  
Collared Towhee
COTR
  
Collared Trogon
COLC*
  
Colombian Crake
CODU
  
Comb Duck
COBH*
  
Common Black Hawk
CCHA*
  
Common Chaffinch
CCHI*
  
Common Chiffchaff
COCL*
  
Common Chlorospingus
CCRA*
  
Common Crane
COCU
  
Common Cuckoo
COEI
  
Common Eider
COGA
  
Common Gallinule
COGO
  
Common Goldeneye
COGR
  
Common Grackle
COMG*
  
Common Greenshank
COGD
  
Common Ground-Dove
COHM
  
Common House-Martin
COLO
  
Common Loon
COME
  
Common Merganser
COMO
  
Common Moorhen
COMU
  
Common Murre
COMY
  
Common Myna
CONI
  
Common Nighthawk
COPA
  
Common Pauraque
COMP*
  
Common Pochard
COPO
  
Common Poorwill
CPOT*
  
Common Potoo
CORA
  
Common Raven
CORE
  
Common Redpoll
CREH*
  
Common Redshank
CRET*
  
Common Redstart
CRPL
  
Common Ringed Plover
CORO
  
Common Rosefinch
COSA
  
Common Sandpiper
COSC
  
Common Scoter
COMS*
  
Common Shelduck
COSN
  
Common Snipe
COSW
  
Common Swift
COTE
  
Common Tern
COTF
  
Common Tody-Flycatcher
COMW*
  
Common Waxbill
COYE
  
Common Yellowthroat
CHRE
  
Common/Hoary Redpoll
CONW*
  
Connecticut Warbler
COPE
  
Cook's Petrel
COHA
  
Cooper's Hawk
CHEM
  
Coppery-headed Emerald
COFL
  
Cordilleran Flycatcher
CORC*
  
Corn Crake
CORS*
  
Cory's Shearwater
CRBR
  
Costa Rican Brushfinch
CRPO
  
Costa Rican Pygmy-Owl
CRSW
  
Costa Rican Swift
CRWA
  
Costa Rican Warbler
COHU
  
Costa's Hummingbird
COKI
  
Couch's Kingbird
COEM
  
Cozumel Emerald
COZT*
  
Cozumel Thrasher
COVI
  
Cozumel Vireo
CRHA
  
Crane Hawk
CRMU
  
Craveri's Murrelet
CCWA
  
Crescent-chested Warbler
CRAU
  
Crested Auklet
CRBO
  
Crested Bobwhite
CRCA
  
Crested Caracara
CREA
  
Crested Eagle
CRGU
  
Crested Guan
CROR
  
Crested Oropendola
CROW
  
Crested Owl
CRQD
  
Crested Quail-Dove
CBTA
  
Crimson-backed Tanager
CBWO
  
Crimson-bellied Woodpecker
CCGR
  
Crimson-collared Grosbeak
CCTA
  
Crimson-collared Tanager
CCRW*
  
Crimson-crested Woodpecker
CFPA
  
Crimson-fronted Parakeet
CRTH
  
Crissal Thrasher
CSFL
  
Crowned Slaty Flycatcher
CRWO
  
Crowned Woodnymph
CUBH*
  
Cuban Black Hawk
CUBL
  
Cuban Blackbird
CUBU
  
Cuban Bullfinch
CUCR
  
Cuban Crow
CUEM
  
Cuban Emerald
CUGN
  
Cuban Gnatcatcher
CUGR
  
Cuban Grassquit
CGWO
  
Cuban Green Woodpecker
CUBM*
  
Cuban Macaw
CUMA
  
Cuban Martin
CUOR
  
Cuban Oriole
CPAK*
  
Cuban Parakeet
CPAT*
  
Cuban Parrot
CUPE
  
Cuban Pewee
CUPO
  
Cuban Pygmy-Owl
CUSO
  
Cuban Solitaire
CUTO
  
Cuban Tody
CUTR
  
Cuban Trogon
CUVI
  
Cuban Vireo
CUSA
  
Curlew Sandpiper
CBTH
  
Curve-billed Thrasher
DAPE
  
Dark Pewee
DBCU
  
Dark-billed Cuckoo
DEJU
  
Dark-eyed Junco
DSFL
  
Dark-sided Flycatcher
DICK
  
Dickcissel
DWAN
  
Dot-winged Antwren
DBGR
  
Double-banded Graytail
DCCO
  
Double-crested Cormorant
DSTK
  
Double-striped Thick-knee
DTKI
  
Double-toothed Kite
DOVE
  
Dovekie
DOWO
  
Downy Woodpecker
DMAN
  
Dull-mantled Antbird
DUNL
  
Dunlin
DUAN
  
Dusky Antbird
DUFL
  
Dusky Flycatcher
DUGR
  
Dusky Grouse
DUHU
  
Dusky Hummingbird
DUNI
  
Dusky Nightjar
DUPI
  
Dusky Pigeon
DUSS
  
Dusky Seaside-Sparrow
DUTH
  
Dusky Thrush
DUWA
  
Dusky Warbler
DBJA
  
Dusky-backed Jacamar
DCFL
  
Dusky-capped Flycatcher
DFTA
  
Dusky-faced Tanager
DWJA
  
Dwarf Jay
DWVI
  
Dwarf Vireo
EADO
  
Eared Dove
EAGR
  
Eared Grebe
EAPO
  
Eared Poorwill
EAQU
  
Eared Quetzal
EABL
  
Eastern Bluebird
EACT
  
Eastern Chat-Tanager
EAKI
  
Eastern Kingbird
EAME
  
Eastern Meadowlark
EAPH
  
Eastern Phoebe
EASO
  
Eastern Screech-Owl
Duck
  
Eastern Spot-billed
EATO
  
Eastern Towhee
EWPW
  
Eastern Whip-poor-will
EWCS
  
Eastern White-crowned Sparrow
EAWP
  
Eastern Wood-Pewee
EYWA
  
Eastern Yellow Wagtail
EGGO
  
Egyptian Goose
ELEU
  
Elegant Euphonia
ELQU
  
Elegant Quail
ELTE
  
Elegant Tern
ELTR
  
Elegant Trogon
ELOW
  
Elf Owl
EWWA
  
Elfin-woods Warbler
EMTA
  
Emerald Tanager
ECHU
  
Emerald-chinned Hummingbird
EMGO
  
Emperor Goose
ERFR
  
Erckel's Francolin
ESCU
  
Eskimo Curlew
EUFL
  
Euler's Flycatcher
EUBB*
  
Eurasian Blackbird
EUBC*
  
Eurasian Blackcap
EUBU
  
Eurasian Bullfinch
EUCD
  
Eurasian Collared-Dove
EUCO
  
Eurasian Coot
EUCU
  
Eurasian Curlew
EUDO
  
Eurasian Dotterel
EGWT
  
Eurasian Green-winged Teal
EHOB*
  
Eurasian Hobby
EHOO*
  
Eurasian Hoopoe
EUJA
  
Eurasian Jackdaw
EUKE
  
Eurasian Kestrel
EUOY
  
Eurasian Oystercatcher
EUSI
  
Eurasian Siskin
EUSK
  
Eurasian Skylark
EURS*
  
Eurasian Spoonbill
ETSP
  
Eurasian Tree Sparrow
EUWI
  
Eurasian Wigeon
EUWO
  
Eurasian Woodcock
EUWR
  
Eurasian Wryneck
EUGP
  
European Golden-Plover
EUGO
  
European Goldfinch
EUST
  
European Starling
EUSP
  
European Storm-Petrel
EUTD
  
European Turtle-Dove
EVGR
  
Evening Grosbeak
EYTH
  
Eyebrowed Thrush
ERFL
  
Eye-ringed Flatbill
FADU
  
Falcated Duck
FTWA
  
Fan-tailed Warbler
FECU
  
Far Eastern Curlew
FAAN
  
Fasciated Antshrike
FTHE
  
Fasciated Tiger-Heron
FEPE
  
Fea's Petrel
FEFL
  
Fernandina's Flicker
FEHA
  
Ferruginous Hawk
FEPO
  
Ferruginous Pygmy-Owl
FISP
  
Field Sparrow
FIEL
  
Fieldfare
FBAR
  
Fiery-billed Aracari
FTHU
  
Fiery-throated Hummingbird
FICR
  
Fish Crow
FSSP
  
Five-striped Sparrow
FCTA
  
Flame-colored Tanager
FRTA
  
Flame-rumped Tanager
FTHW*
  
Flame-throated Warbler
FLFL
  
Flammulated Flycatcher
FLOW
  
Flammulated Owl
FBVI
  
Flat-billed Vireo
FFSH
  
Flesh-footed Shearwater
FGSP
  
Florida Grasshopper Sparrow
FLSJ
  
Florida Scrub-Jay
FOEL
  
Forest Elaenia
FOTH
  
Forest Thrush
FTFL
  
Fork-tailed Flycatcher
FTSP
  
Fork-tailed Storm-Petrel
FTSW
  
Fork-tailed Swift
FOTE
  
Forster's Tern
FOSP
  
Fox Sparrow
FRGU
  
Franklin's Gull
FUOW
  
Fulvous Owl
FUWD
  
Fulvous Whistling-Duck
FVEU
  
Fulvous-vented Euphonia
GADW
  
Gadwall
GAPE
  
Galapagos Petrel
GASH
  
Galapagos Shearwater
GAQU
  
Gambel's Quail
GWCS
  
Gambel's White-crowned Sparrow
GAEM
  
Garden Emerald
GARG
  
Garganey
GATH*
  
Garnet-throated Hummingbird
GATR
  
Gartered Trogon
GICO
  
Giant Cowbird
GIKI
  
Giant Kingbird
GIWR
  
Giant Wren
GIWO
  
Gila Woodpecker
GIFL
  
Gilded Flicker
GLGU
  
Glaucous Gull
GWGU
  
Glaucous-winged Gull
GLIB
  
Glossy Ibis
GLTH*
  
Glow-throated Hummingbird
GOEA
  
Golden Eagle
GOSW
  
Golden Swallow
GOVI
  
Golden Vireo
GBFL
  
Golden-bellied Flycatcher
GBCH
  
Golden-browed Chlorophonia
GBWA
  
Golden-browed Warbler
GCWA
  
Golden-cheeked Warbler
GCHW*
  
Golden-cheeked Woodpecker
GCMA
  
Golden-collared Manakin
GCEM
  
Golden-crowned Emerald
GOCF*
  
Golden-crowned Flycatcher
GCKI
  
Golden-crowned Kinglet
GCRS*
  
Golden-crowned Spadebill
GCSP
  
Golden-crowned Sparrow
GCRW*
  
Golden-crowned Warbler
GFGR
  
Golden-fronted Greenlet
GFWO
  
Golden-fronted Woodpecker
GGWO
  
Golden-green Woodpecker
GHMA
  
Golden-headed Manakin
GHQU
  
Golden-headed Quetzal
GHOT*
  
Golden-hooded Tanager
GNWO
  
Golden-naped Woodpecker
GOWO
  
Golden-olive Woodpecker
GWWA
  
Golden-winged Warbler
GRWA
  
Grace's Warbler
GCAT*
  
Grand Cayman Thrush
GRSP
  
Grasshopper Sparrow
GRYF
  
Grassland Yellow-Finch
GRBU
  
Gray Bunting
GRCA
  
Gray Catbird
GRAE*
  
Gray Elaenia
GRFL
  
Gray Flycatcher
GRAF*
  
Gray Francolin
GRGU
  
Gray Gull
GRHA
  
Gray Hawk
GRAH*
  
Gray Heron
GRAK*
  
Gray Kingbird
GRNI
  
Gray Nightjar
GRAP*
  
Gray Partridge
GRSF
  
Gray Silky-flycatcher
GRAT*
  
Gray Thrasher
GRTR
  
Gray Trembler
GRVI
  
Gray Vireo
GRAW*
  
Gray Wagtail
GAGT
  
Gray-and-gold Tanager
GBAT*
  
Gray-backed Tern
GBWR
  
Gray-barred Wren
GBEH*
  
Gray-bellied Hawk
GBCR
  
Gray-breasted Crake
GYBM*
  
Gray-breasted Martin
GBWO
  
Gray-breasted Woodpecker
GBWW
  
Gray-breasted Wood-Wren
GCAF*
  
Gray-capped Flycatcher
GCNU
  
Gray-cheeked Nunlet
GCTH
  
Gray-cheeked Thrush
GCBT
  
Gray-cheeked/Bicknell's Thrush
GCDO
  
Gray-chested Dove
GCBE
  
Gray-collared Becard
GCWR
  
Gray-cowled Wood-Rail
GCPT
  
Gray-crowned Palm-Tanager
GCRF
  
Gray-crowned Rosy-Finch
GRCW*
  
Gray-crowned Woodpecker
GCYE
  
Gray-crowned Yellowthroat
GFQD
  
Gray-fronted Quail-Dove
GHEC*
  
Gray-headed Chachalaca
GHCH
  
Gray-headed Chickadee
GHDO
  
Gray-headed Dove
GHJU
  
Gray-headed Junco
GHKI
  
Gray-headed Kite
GHPI
  
Gray-headed Piprites
GHET*
  
Gray-headed Tanager
GHGU
  
Gray-hooded Gull
GRAS*
  
Grayish Saltator
GRGO
  
Graylag Goose
GLHA
  
Gray-lined Hawk
GRSW
  
Gray-rumped Swift
GSFL
  
Gray-streaked Flycatcher
GTTA
  
Gray-tailed Tattler
GTCH
  
Gray-throated Chat
GTLE
  
Gray-throated Leaftosser
GANT*
  
Great Antshrike
GRAU
  
Great Auk
GBLH*
  
Great Black Hawk
GBBG
  
Great Black-backed Gull
GBHE
  
Great Blue Heron
GRCO
  
Great Cormorant
GCFL
  
Great Crested Flycatcher
GCTE
  
Great Crested Tern
GRCU
  
Great Curassow
GREG
  
Great Egret
GREF*
  
Great Frigatebird
GGOW
  
Great Gray Owl
GGMA
  
Great Green Macaw
GHOW
  
Great Horned Owl
GREJ*
  
Great Jacamar
GKIS*
  
Great Kiskadee
GRKN
  
Great Knot
GRLC
  
Great Lizard-Cuckoo
GRPO
  
Great Potoo
GRSH
  
Great Shearwater
GRSK
  
Great Skua
GSWO
  
Great Spotted Woodpecker
GSTS
  
Great Swallow-tailed Swift
GRTI
  
Great Tinamou
GWHE
  
Great White Heron
GRAM
  
Greater Amakihi
GRTA*
  
Greater Ani
GABU
  
Greater Antillean Bullfinch
GAEL
  
Greater Antillean Elaenia
GAGR
  
Greater Antillean Grackle
GANI
  
Greater Antillean Nightjar
GRKF
  
Greater Koa-Finch
GNLA
  
Greater Necklaced Laughingthrush
GRPE
  
Greater Pewee
GRPC
  
Greater Prairie-Chicken
GRRO
  
Greater Roadrunner
GRSG
  
Greater Sage-Grouse
GSAP*
  
Greater Sand-Plover
GRSC
  
Greater Scaup
GSGB
  
Greater Snow Goose Blue-morph
GSGI
  
Greater Snow Goose Intermediate-morph
GSGW
  
Greater Snow Goose White-morph
GWFG
  
Greater White-fronted Goose
GRYE
  
Greater Yellowlegs
GTGR
  
Great-tailed Grackle
GWPE
  
Great-winged Petrel
GREH*
  
Green Hermit
GRHE
  
Green Heron
GRHO
  
Green Honeycreeper
GRIB
  
Green Ibis
GRJA
  
Green Jay
GKIN*
  
Green Kingfisher
GMAK*
  
Green Manakin
GMAG*
  
Green Mango
GREP*
  
Green Parakeet
GRSA
  
Green Sandpiper
GRSV
  
Green Shrike-Vireo
GRET*
  
Green Thorntail
GARK
  
Green-and-rufous Kingfisher
GBSP
  
Green-backed Sparrow
GNBM*
  
Green-breasted Mango
GBMG
  
Green-breasted Mountain-gem
GCBR
  
Green-crowned Brilliant
GFHU
  
Green-fronted Hummingbird
GFRL*
  
Green-fronted Lancebill
GREL
  
Greenish Elaenia
GRPU
  
Greenish Puffleg
GNTA
  
Green-naped Tanager
GRUP*
  
Green-rumped Parrotlet
GSBR
  
Green-striped Brushfinch
GTTO
  
Green-tailed Towhee
GTWA
  
Green-tailed Warbler
GTCA
  
Green-throated Carib
GTMG
  
Green-throated Mountain-gem
GWTE
  
Green-winged Teal
GRDO
  
Grenada Dove
GFLY*
  
Grenada Flycatcher
GBAN
  
Groove-billed Ani
GUCA
  
Guadalupe Caracara
GUJU
  
Guadalupe Junco
GUMU
  
Guadalupe Murrelet
GUSP
  
Guadalupe Storm-Petrel
GUWO
  
Guadeloupe Woodpecker
GBTE
  
Gull-billed Tern
GUHA
  
Gundlach's Hawk
GUSG
  
Gunnison Sage-Grouse
Falco
  
Gyrfalcon GYRF
HAWO
  
Hairy Woodpecker
HAFL
  
Hammond's Flycatcher
HDFL
  
Hammond's/Dusky Flycatcher
HAWR
  
Happy Wren
HALH*
  
Harlan's Hawk
HADU
  
Harlequin Duck
HAEA
  
Harpy Eagle
HASH*
  
Harris's Hawk
HASP
  
Harris's Sparrow
HAAK
  
Hawaii Akepa
HAAM
  
Hawaii Amakihi
HCRE*
  
Hawaii Creeper
HAEL
  
Hawaii Elepaio
HAMA
  
Hawaii Mamo
HAOO
  
Hawaii Oo
HACO
  
Hawaiian Coot
HCRO*
  
Hawaiian Crow
HAWD*
  
Hawaiian Duck
HAGA
  
Hawaiian Gallinule
HAGO
  
Hawaiian Goose
HAWH*
  
Hawaiian Hawk
HAPE
  
Hawaiian Petrel
HARA
  
Hawaiian Rail
HAST
  
Hawaiian Stilt
HAWF
  
Hawfinch
HEEG*
  
Heermann's Gull
HELG*
  
Helmeted Guineafowl
HESP
  
Henslow's Sparrow
HETA
  
Hepatic Tanager
HEPE
  
Herald Petrel
HETH
  
Hermit Thrush
HEWA
  
Hermit Warbler
HERG*
  
Herring Gull
HIGU
  
Highland Guan
HITI
  
Highland Tinamou
HISN
  
Himalayan Snowcock
HICR
  
Hispaniolan Crossbill
HIEM
  
Hispaniolan Emerald
HILC
  
Hispaniolan Lizard-Cuckoo
HIOR
  
Hispaniolan Oriole
HPAK*
  
Hispaniolan Parakeet
HPAT*
  
Hispaniolan Parrot
HIPE
  
Hispaniolan Pewee
HISP
  
Hispaniolan Spindalis
HITR
  
Hispaniolan Trogon
HIWO
  
Hispaniolan Woodpecker
HORE
  
Hoary Redpoll
HOWO
  
Hoffmann's Woodpecker
HOEM
  
Honduran Emerald
HOCR
  
Hooded Crow
HOOG*
  
Hooded Grosbeak
HOME
  
Hooded Merganser
HOOR
  
Hooded Oriole
HOWA
  
Hooded Warbler
HOYE
  
Hooded Yellowthroat
HBKI
  
Hook-billed Kite
HOGR
  
Horned Grebe
HOGU
  
Horned Guan
HOLA
  
Horned Lark
HOPU
  
Horned Puffin
HOFI
  
House Finch
HOSP
  
House Sparrow
HOWR
  
House Wren
HUGO
  
Hudsonian Godwit
HUSA
  
Humboldt's Sapphire
HUVI
  
Hutton's Vireo
HWAM
  
Hwamei
ICGU
  
Iceland Gull
IIWI
  
Iiwi
IMPA
  
Imperial Parrot
IMWO
  
Imperial Woodpecker
INWO
  
Inagua Woodstar
INDO
  
Inca Dove
INTE
  
Inca Tern
INPE
  
Indian Peafowl
INSI
  
Indian Silverbill
INBU
  
Indigo Bunting
INEG
  
Intermediate Egret
IPSP
  
Ipswich Sparrow
ISCA
  
Island Canary
ISSJ
  
Island Scrub-Jay
ISWR
  
Isthmian Wren
IVGU
  
Ivory Gull
IBIW*
  
Ivory-billed Woodcreeper
IBWO
  
Ivory-billed Woodpecker
JABI
  
Jabiru
JASN
  
Jack Snipe
JABE
  
Jamaican Becard
JABL
  
Jamaican Blackbird
JACR
  
Jamaican Crow
JAEL
  
Jamaican Elaenia
JAEU
  
Jamaican Euphonia
JALC
  
Jamaican Lizard-Cuckoo
JAMA
  
Jamaican Mango
JAOR
  
Jamaican Oriole
JAOW
  
Jamaican Owl
JAPA
  
Jamaican Pauraque
JAPE
  
Jamaican Pewee
JAMS*
  
Jamaican Spindalis
JATO
  
Jamaican Tody
JAVI
  
Jamaican Vireo
JAWO
  
Jamaican Woodpecker
JABW
  
Japanese Bush-Warbler
JAQU
  
Japanese Quail
JAWE
  
Japanese White-eye
JASP
  
Java Sparrow
JEAN
  
Jet Antbird
JOPE
  
Jouanin's Petrel
JFPE
  
Juan Fernandez Petrel
JUTI
  
Juniper Titmouse
KAKA
  
Kakawahie
KAPH
  
Kalij Pheasant
KAMA
  
Kamao
KLWA
  
Kamchatka Leaf Warbler
KAAK
  
Kauai Akialoa
KAAM
  
Kauai Amakihi
KAEL
  
Kauai Elepaio
KANU
  
Kauai Nukupuu
KAOO
  
Kauai Oo
KBMO
  
Keel-billed Motmot
KBTO
  
Keel-billed Toucan
KEGU
  
Kelp Gull
KEWA
  
Kentucky Warbler
KEPE
  
Kermadec Petrel
KWQD
  
Key West Quail-Dove
KILL
  
Killdeer
KIEI
  
King Eider
KIRA
  
King Rail
KIVU
  
King Vulture
KIOE
  
Kioea
KIWA
  
Kirtland's Warbler
KIMU
  
Kittlitz's Murrelet
KOGR
  
Kona Grosbeak
LSFL
  
La Sagra's Flycatcher
LSTH
  
La Selle Thrush
LABD*
  
Labrador Duck
LBWO
  
Ladder-backed Woodpecker
LANH*
  
Lanai Hookbill
LAMO
  
Lanceolated Monklet
LANW*
  
Lanceolated Warbler
LATM*
  
Lance-tailed Manakin
LALO
  
Lapland Longspur
LCGO
  
Large Canada Goose
LBSF
  
Large-billed Seed-Finch
LBSP
  
Large-billed Sparrow
LBTE
  
Large-billed Tern
LFFI
  
Large-footed Finch
LARB*
  
Lark Bunting
LASP
  
Lark Sparrow
LTTR
  
Lattice-tailed Trogon
LAFA
  
Laughing Falcon
LAGU
  
Laughing Gull
LAVW*
  
Lavender Waxbill
LAGO
  
Lawrence's Goldfinch
LAWA
  
Lawrence's Warbler
LAAL
  
Laysan Albatross
LAYD*
  
Laysan Duck
LAFI
  
Laysan Finch
LAYH*
  
Laysan Honeycreeper
LARA
  
Laysan Rail
LBFH
  
Laysan x Black-foot. Albatross Hybrid
LAZB*
  
Lazuli Bunting
LIBH
  
Lazuli x Indigo Bunting Hybrid
LESP
  
Leach's Storm-Petrel
LEAU
  
Least Auklet
LBVI
  
Least Bell's Vireo
LEBI
  
Least Bittern
LEFL
  
Least Flycatcher
LEGR
  
Least Grebe
LEPA
  
Least Pauraque
LESA
  
Least Sandpiper
LSTP*
  
Least Storm-Petrel
LETE
  
Least Tern
LCSP
  
LeConte's Sparrow
LCTH
  
LeConte's Thrasher
LSTA
  
Lemon-spectacled Tanager
LEAK
  
Lesser Akialoa
LANB*
  
Lesser Antillean Bullfinch
LAFL
  
Lesser Antillean Flycatcher
LAPE
  
Lesser Antillean Pewee
LASA
  
Lesser Antillean Saltator
LASW
  
Lesser Antillean Swift
LATA
  
Lesser Antillean Tanager
LBBG
  
Lesser Black-backed Gull
LEEL
  
Lesser Elaenia
LEFR
  
Lesser Frigatebird
LEGP
  
Lesser Golden-Plover
LEGO
  
Lesser Goldfinch
LESG*
  
Lesser Greenlet
LEGC
  
Lesser Ground-Cuckoo
LEKI
  
Lesser Kiskadee
LEKF
  
Lesser Koa-Finch
LENI
  
Lesser Nighthawk
LEPC
  
Lesser Prairie-Chicken
LERE
  
Lesser Redpoll
LERO
  
Lesser Roadrunner
LSAP*
  
Lesser Sand-Plover
LSGB
  
Lesser Snow Goose Blue-morph
LSGI
  
Lesser Snow Goose Intermediate-morph
LSGW
  
Lesser Snow Goose White-morph
LSTS
  
Lesser Swallow-tailed Swift
LEVI
  
Lesser Violetear
LWFG
  
Lesser White-fronted Goose
LEWH
  
Lesser Whitethroat
LYHV
  
Lesser Yellow-headed Vulture
LEYE
  
Lesser Yellowlegs
LEMO
  
Lesson's Motmot
LEWO
  
Lewis's Woodpecker
LMAL
  
Light-mantled Albatross
LCPA
  
Lilac-crowned Parrot
LIMP
  
Limpkin
LISP
  
Lincoln's Sparrow
LIFG
  
Lineated Foliage-gleaner
LIWO
  
Lineated Woodpecker
LISE
  
Lined Seedeater
LIBI
  
Little Bittern
LBHE
  
Little Blue Heron
LIBU
  
Little Bunting
LITC*
  
Little Cuckoo
LICU
  
Little Curlew
LIEG
  
Little Egret
LIGU
  
Little Gull
LRPL
  
Little Ringed Plover
LIST
  
Little Stint
LITE
  
Little Tern
LITI
  
Little Tinamou
LOKI
  
Loggerhead Kingbird
LOSH
  
Loggerhead Shrike
LBCU
  
Long-billed Curlew
LBDO
  
Long-billed Dowitcher
LBGN
  
Long-billed Gnatwren
LBIH*
  
Long-billed Hermit
LBMU
  
Long-billed Murrelet
LBST
  
Long-billed Starthroat
LBTH
  
Long-billed Thrasher
LEOW
  
Long-eared Owl
LTDU
  
Long-tailed Duck
LTJA
  
Long-tailed Jaeger
LOTM*
  
Long-tailed Manakin
LTSA
  
Long-tailed Sabrewing
LTSF
  
Long-tailed Silky-flycatcher
LTTY
  
Long-tailed Tyrant
LTWO
  
Long-tailed Woodcreeper
LTWP
  
Long-tailed Wood-Partridge
LTST
  
Long-toed Stint
LWHA
  
Long-winged Harrier
LOWA
  
Louisiana Waterthrush
LOCO
  
Lovely Cotinga
LUHU
  
Lucifer Hummingbird
LUWA
  
Lucy's Warbler
MTWO
  
Magenta-throated Woodstar
MAFR
  
Magnificent Frigatebird
MAWA
  
Magnolia Warbler
MAST
  
Maguari Stork
MALL
  
Mallard
MACU
  
Mangrove Cuckoo
MAHU
  
Mangrove Hummingbird
MARA
  
Mangrove Rail
MANS*
  
Mangrove Swallow
MAVI
  
Mangrove Vireo
MANW*
  
Mangrove Warbler
MASH
  
Manx Shearwater
MAGO
  
Marbled Godwit
MAMU
  
Marbled Murrelet
MAWQ
  
Marbled Wood-Quail
MASW
  
Mariana Swiftlet
MASP
  
Markham's Storm-Petrel
MCGD
  
Maroon-chested Ground-Dove
MFPA
  
Maroon-fronted Parrot
MASA
  
Marsh Sandpiper
MAWR
  
Marsh Wren
MAOR
  
Martinique Oriole
MABO
  
Masked Booby
MADU
  
Masked Duck
MATI
  
Masked Tityra
MAAK
  
Maui Akepa
MAAL
  
Maui Alauahio
MANU
  
Maui Nukupuu
MAPA
  
Maui Parrotbill
MNAK
  
Maui-nui Akialoa
MCLO
  
McCown's Longspur
MKBU
  
McKay's Bunting
MEPI
  
Meadow Pipit
MEAP*
  
Mealy Parrot
MEBL
  
Melodious Blackbird
MERL
  
Merlin
MEGU
  
Mew Gull
MECH
  
Mexican Chickadee
MEDU
  
Mexican Duck
MEHE
  
Mexican Hermit
MEJA
  
Mexican Jay
MEXP*
  
Mexican Parrotlet
MESH
  
Mexican Sheartail
MEVI
  
Mexican Violetear
MWPW
  
Mexican Whip-poor-will
MEWO
  
Mexican Woodnymph
MIGW
  
Middendorff's Grasshopper-Warbler
MIMA
  
Military Macaw
MILL
  
Millerbird
MCGO
  
Minima Cackling Goose
MIKI
  
Mississippi Kite
MIPA
  
Mitred Parakeet
MOPA
  
Monk Parakeet
MORO*
  
Montezuma Oropendola
MONQ*
  
Montezuma Quail
MORI*
  
Montserrat Oriole
MOSE
  
Morelet's Seedeater
MODU
  
Mottled Duck
MOOW
  
Mottled Owl
MOPE
  
Mottled Petrel
MOBL
  
Mountain Bluebird
MOCH
  
Mountain Chickadee
MOEL
  
Mountain Elaenia
MOPL
  
Mountain Plover
MOUQ*
  
Mountain Quail
MOTH
  
Mountain Thrush
MOTR
  
Mountain Trogon
MWCS
  
Mountain White-crowned Sparrow
MODO
  
Mourning Dove
MOWA
  
Mourning Warbler
MCTY
  
Mouse-colored Tyrannulet
MOAN
  
Moustached Antwren
MUFL
  
Mugimaki Flycatcher
MUPE
  
Murphy's Petrel
MUDU
  
Muscovy Duck
MUSW
  
Mute Swan
MYWA
  
Myrtle Warbler
NAPA
  
Nanday Parakeet
NAFL
  
Narcissus Flycatcher
NBTO
  
Narrow-billed Tody
NAWA
  
Nashville Warbler
NAWR
  
Nava's Wren
NABO
  
Nazca Booby
NESP
  
Nelson's Sparrow
NECO
  
Neotropic Cormorant
NESH
  
Newell's Shearwater
NIGR
  
Nicaraguan Grackle
NISF
  
Nicaraguan Seed-Finch
NIWR
  
Nightingale Wren
NIFI
  
Nihoa Finch
NOBW
  
Northern Barred-Woodcreeper
NOBT
  
Northern Beardless-Tyrannulet
NOBE
  
Northern Bentbill
NOBO
  
Northern Bobwhite
NOBB*
  
Northern Boobook
NOCA
  
Northern Cardinal
NOET
  
Northern Emerald-Toucanet
NOFL
  
Northern Flicker
NFIN
  
Northern Flicker Intergrade
NOFU
  
Northern Fulmar
NOGA
  
Northern Gannet
NOGO
  
Northern Goshawk
NOHA
  
Northern Harrier
NHOW
  
Northern Hawk Owl
NOJA
  
Northern Jacana
NOLA
  
Northern Lapwing
NOMO
  
Northern Mockingbird
NOPA
  
Northern Parula
NOPI
  
Northern Pintail
NORP*
  
Northern Potoo
NOPO
  
Northern Pygmy-Owl
NRBI
  
Northern Red Bishop
NRWS
  
Northern Rough-winged Swallow
NSWO
  
Northern Saw-whet Owl
NOSC
  
Northern Schiffornis
NOSF
  
Northern Scrub-Flycatcher
NSHO*
  
Northern Shoveler
NSHR*
  
Northern Shrike
NOWA
  
Northern Waterthrush
NOWH
  
Northern Wheatear
NOCR
  
Northwestern Crow
NWCS
  
Nuttall's White-crowned Sparrow
NUWO
  
Nuttall's Woodpecker
NUFL
  
Nutting's Flycatcher
OAKE*
  
Oahu Akepa
OAKI*
  
Oahu Akialoa
OAAL
  
Oahu Alauahio
OAAM
  
Oahu Amakihi
OAEL
  
Oahu Elepaio
OANU
  
Oahu Nukupuu
OAOO
  
Oahu Oo
OATI
  
Oak Titmouse
OASP
  
Oaxaca Sparrow
OCAN
  
Ocellated Antbird
OCCR
  
Ocellated Crake
OCPO
  
Ocellated Poorwill
OCQU
  
Ocellated Quail
OCTH
  
Ocellated Thrasher
OCTU
  
Ocellated Turkey
OCPE
  
Ochraceous Pewee
OCWR
  
Ochraceous Wren
OBFL
  
Ochre-bellied Flycatcher
OBAN
  
Ochre-breasted Antpitta
OILB
  
Oilbird
OLFL
  
Olivaceous Flatbill
OLPI
  
Olivaceous Piculet
OLWO
  
Olivaceous Woodcreeper
OLSP
  
Olive Sparrow
OLWA
  
Olive Warbler
OBAE*
  
Olive-backed Euphonia
OBPI
  
Olive-backed Pipit
OBQD
  
Olive-backed Quail-Dove
OCAW*
  
Olive-capped Warbler
OCYE
  
Olive-crowned Yellowthroat
OSFL
  
Olive-sided Flycatcher
OSTF*
  
Olive-striped Flycatcher
OTPA
  
Olive-throated Parakeet
OLOM
  
Olomao
OMAO
  
Omao
OCBE
  
One-colored Becard
ORAO*
  
Orange Oriole
OBEE*
  
Orange-bellied Euphonia
OBTR
  
Orange-bellied Trogon
OBNT
  
Orange-billed Nightingale-Thrush
OBSP
  
Orange-billed Sparrow
OBBU
  
Orange-breasted Bunting
OBFA
  
Orange-breasted Falcon
OCHW*
  
Orange-cheeked Waxbill
OCPA
  
Orange-chinned Parakeet
OCMA
  
Orange-collared Manakin
OCOR
  
Orange-crowned Oriole
OCWA
  
Orange-crowned Warbler
OFPA
  
Orange-fronted Parakeet
ORAN
  
Orangequit
OROR
  
Orchard Oriole
ORJU
  
Oregon Junco
ORCU
  
Oriental Cuckoo
ORGR
  
Oriental Greenfinch
ORPL
  
Oriental Plover
ORPR
  
Oriental Pratincole
ORSO
  
Oriental Scops-Owl
ORTD
  
Oriental Turtle-Dove
ORWA
  
Oriente Warbler
ORGO
  
Orinoco Goose
ORHE
  
Ornate Hawk-Eagle
OSPR
  
Osprey
OU
  
Ou
OVEN
  
Ovenbird
PAAN
  
Pacific Antwren
PAGP
  
Pacific Golden-Plover
PALO
  
Pacific Loon
PACP*
  
Pacific Parakeet
PASO
  
Pacific Screech-Owl
PAWR
  
Pacific Wren
PSFL
  
Pacific-slope Flycatcher
PBCR
  
Paint-billed Crake
PABU
  
Painted Bunting
PAIP*
  
Painted Parakeet
PARE
  
Painted Redstart
PBHE
  
Pale-bellied Hermit
PBIW*
  
Pale-billed Woodpecker
PBSP
  
Pale-breasted Spinetail
PEPT
  
Pale-eyed Pygmy-Tyrant
PVPI
  
Pale-vented Pigeon
PVTH
  
Pale-vented Thrush
PALI
  
Palila
PALB*
  
Pallas's Bunting
PLEW*
  
Pallas's Leaf Warbler
PACR
  
Palm Crow
PATA
  
Palm Tanager
PAWA
  
Palm Warbler
PALM
  
Palmchat
PATY
  
Paltry Tyrannulet
PAFL
  
Panama Flycatcher
PAAU
  
Parakeet Auklet
PAJA
  
Parasitic Jaeger
PAPE
  
Parkinson's Petrel
PAPI
  
Passenger Pigeon
PEKI
  
Pearl Kite
PBCU
  
Pearly-breasted Cuckoo
PETH
  
Pearly-eyed Thrasher
PEPI
  
Pechora Pipit
PESA
  
Pectoral Sandpiper
PBFI
  
Peg-billed Finch
PECO
  
Pelagic Cormorant
PEFA
  
Peregrine Falcon
PEBO
  
Peruvian Booby
PHAI
  
Phainopepla
PHCU
  
Pheasant Cuckoo
PHVI
  
Philadelphia Vireo
PIPU
  
Pied Puffbird
PIWT
  
Pied Water-Tyrant
PBGR
  
Pied-billed Grebe
PIGU
  
Pigeon Guillemot
PILF*
  
Pileated Flycatcher
PIWO
  
Pileated Woodpecker
PIBU
  
Pine Bunting
PINF*
  
Pine Flycatcher
PIGR
  
Pine Grosbeak
PISI
  
Pine Siskin
PIWA
  
Pine Warbler
PFGO
  
Pink-footed Goose
PFSH
  
Pink-footed Shearwater
PHWA
  
Pink-headed Warbler
PSJU
  
Pink-sided Junco
PIBI
  
Pinnated Bittern
PTSN
  
Pin-tailed Snipe
PTWH
  
Pin-tailed Whydah
PIJA
  
Pinyon Jay
PIPL
  
Piping Plover
PIRF*
  
Piratic Flycatcher
PICH
  
Pirre Chlorospingus
PIHU
  
Pirre Hummingbird
PIRW*
  
Pirre Warbler
PLAN
  
Plain Antvireo
PLCH
  
Plain Chachalaca
PLAP*
  
Plain Pigeon
PLXE
  
Plain Xenops
PBGD
  
Plain-breasted Ground-Dove
PBRW*
  
Plain-brown Woodcreeper
PCST
  
Plain-capped Starthroat
PCTA
  
Plain-colored Tanager
PLHA
  
Plumbeous Hawk
PLKI
  
Plumbeous Kite
PLUP*
  
Plumbeous Pigeon
PLVI
  
Plumbeous Vireo
PLUW*
  
Plumbeous Warbler
POJA
  
Pomarine Jaeger
POUL
  
Poo-uli
PRFA
  
Prairie Falcon
PRAW*
  
Prairie Warbler
PBBA
  
Prong-billed Barbet
PROW*
  
Prothonotary Warbler
PRPE
  
Providence Petrel
PUAI
  
Puaiohi
PRBU
  
Puerto Rican Bullfinch
PREM
  
Puerto Rican Emerald
PRFL
  
Puerto Rican Flycatcher
PRLC
  
Puerto Rican Lizard-Cuckoo
PRNI
  
Puerto Rican Nightjar
PROR
  
Puerto Rican Oriole
PRPK*
  
Puerto Rican Parakeet
PRPO*
  
Puerto Rican Parrot
PRSO
  
Puerto Rican Screech-Owl
PRSP
  
Puerto Rican Spindalis
PRTA
  
Puerto Rican Tanager
PRTO
  
Puerto Rican Tody
PRVI
  
Puerto Rican Vireo
PRWO
  
Puerto Rican Woodpecker
PSWS
  
Puget Sound White-crowned Sparrow
PUFI
  
Purple Finch
PUGA
  
Purple Gallinule
PUHE
  
Purple Heron
PUHO
  
Purple Honeycreeper
PUMA
  
Purple Martin
PUSA
  
Purple Sandpiper
PUSW
  
Purple Swamphen
PCFA
  
Purple-crowned Fairy
PTCA
  
Purple-throated Carib
PTFR
  
Purple-throated Fruitcrow
PTMG
  
Purple-throated Mountain-gem
PTWO
  
Purple-throated Woodstar
PBJA
  
Purplish-backed Jay
PBQD
  
Purplish-backed Quail-Dove
PYNU
  
Pygmy Nuthatch
PYRR
  
Pyrrhuloxia
RAZO
  
Razorbill
REAV
  
Red Avadavat
RECR
  
Red Crossbill
REJU
  
Red Junglefowl
REKN
  
Red Knot
REPH
  
Red Phalarope
RESI
  
Red Siskin
REWA
  
Red Warbler
RAGM
  
Red-and-green Macaw
RBJU
  
Red-backed Junco
RBWO
  
Red-bellied Woodpecker
RBLE
  
Red-billed Leiothrix
RBPI
  
Red-billed Pigeon
RBSC
  
Red-billed Scythebill
RBTR
  
Red-billed Tropicbird
RBRC*
  
Red-breasted Chat
RBRM*
  
Red-breasted Meadowlark
RBME
  
Red-breasted Merganser
RBNU
  
Red-breasted Nuthatch
RBSA
  
Red-breasted Sapsucker
RCMA
  
Red-capped Manakin
RCCO
  
Red-cheeked Cordonbleu
RCWO
  
Red-cockaded Woodpecker
RCCA
  
Red-crested Cardinal
RCAT
  
Red-crowned Ant-Tanager
RCPA
  
Red-crowned Parrot
RCRW*
  
Red-crowned Woodpecker
REEG
  
Reddish Egret
REVI
  
Red-eyed Vireo
RFCO
  
Red-faced Cormorant
RFSP
  
Red-faced Spinetail
RFWA
  
Red-faced Warbler
RFBL
  
Red-flanked Bluetail
RFBO
  
Red-footed Booby
RFFA
  
Red-footed Falcon
RFPA
  
Red-fronted Parrotlet
REDH
  
Redhead
RHBA
  
Red-headed Barbet
RHTA
  
Red-headed Tanager
RHWO
  
Red-headed Woodpecker
RLHO
  
Red-legged Honeycreeper
RLKI
  
Red-legged Kittiwake
RLTH
  
Red-legged Thrush
RLPA
  
Red-lored Parrot
RNSA
  
Red-naped Sapsucker
RRSH
  
Red-naped x Red-breasted Saps. Hybrid
RNGR
  
Red-necked Grebe
RNPA
  
Red-necked Parrot
RNPH
  
Red-necked Phalarope
RNST
  
Red-necked Stint
RRWO
  
Red-rumped Woodpecker
RSFL
  
Red-shafted Flicker
RSBL
  
Red-shouldered Blackbird
RSHA
  
Red-shouldered Hawk
RTHA
  
Red-tailed Hawk
RTTR
  
Red-tailed Tropicbird
RTAT
  
Red-throated Ant-Tanager
RTCA
  
Red-throated Caracara
RTLO
  
Red-throated Loon
RTPI
  
Red-throated Pipit
RVBU
  
Red-vented Bulbul
RWBU
  
Red-whiskered Bulbul
REDW
  
Redwing
RWBL
  
Red-winged Blackbird
REBU
  
Reed Bunting
REQU
  
Resplendent Quetzal
RHAU
  
Rhinoceros Auklet
RIHA
  
Ridgway's Hawk
RIRA
  
Ridgway's Rail
RBGU
  
Ring-billed Gull
RIKI
  
Ringed Kingfisher
RISP
  
Ringed Storm-Petrel
RNDU
  
Ring-necked Duck
RNEP*
  
Ring-necked Pheasant
RTAP*
  
Ring-tailed Pigeon
RIWR
  
Riverside Wren
RIHU
  
Rivoli's Hummingbird
ROHA
  
Roadside Hawk
ROPI
  
Rock Pigeon
ROPT
  
Rock Ptarmigan
ROSA
  
Rock Sandpiper
ROWR
  
Rock Wren
ROOK
  
Rook
ROSP
  
Roseate Spoonbill
ROST*
  
Roseate Tern
RBBU
  
Rose-bellied Bunting
RBGR
  
Rose-breasted Grosbeak
RRPA
  
Rose-ringed Parakeet
RTBE
  
Rose-throated Becard
RTTA
  
Rose-throated Tanager
ROGO
  
Ross's Goose
ROGU
  
Ross's Gull
ROTT
  
Rosy Thrush-Tanager
RFLO
  
Rosy-faced Lovebird
RLHA
  
Rough-legged Hawk
RLTY
  
Rough-legged Tyrannulet
ROFL
  
Royal Flycatcher
ROYT*
  
Royal Tern
RCKI
  
Ruby-crowned Kinglet
RTHU
  
Ruby-throated Hummingbird
RTOH*
  
Ruby-topaz Hummingbird
RUCR
  
Ruddy Crake
RUDU
  
Ruddy Duck
RUFG
  
Ruddy Foliage-gleaner
RUGD
  
Ruddy Ground-Dove
RUDP*
  
Ruddy Pigeon
RUQD
  
Ruddy Quail-Dove
RUSH
  
Ruddy Shelduck
RUTR
  
Ruddy Treerunner
RUTU
  
Ruddy Turnstone
RUWO
  
Ruddy Woodcreeper
RBSE
  
Ruddy-breasted Seedeater
RCNT
  
Ruddy-capped Nightingale-Thrush
RDTF*
  
Ruddy-tailed Flycatcher
RTHE
  
Rufescent Tiger-Heron
RUFF
  
Ruff
RUGR
  
Ruffed Grouse
RUHU
  
Rufous Hummingbird
RMOT*
  
Rufous Motmot
RMOU*
  
Rufous Mourner
RUNI
  
Rufous Nightjar
RUFP*
  
Rufous Piha
RUSA
  
Rufous Sabrewing
RAWW
  
Rufous-and-white Wren
RBRO
  
Rufous-backed Robin
RBEC*
  
Rufous-bellied Chachalaca
RBAN
  
Rufous-breasted Antthrush
RBHE
  
Rufous-breasted Hermit
RBSP
  
Rufous-breasted Spinetail
RBSW*
  
Rufous-breasted Wren
RBPE
  
Rufous-browed Peppershrike
RBTY
  
Rufous-browed Tyrannulet
RBWW*
  
Rufous-browed Wren
RCBR
  
Rufous-capped Brushfinch
RCWA
  
Rufous-capped Warbler
RCRO
  
Rufous-collared Robin
RCOS*
  
Rufous-collared Sparrow
RCRC*
  
Rufous-crested Coquette
RCSP
  
Rufous-crowned Sparrow
RNAW*
  
Rufous-naped Wren
RNWR
  
Rufous-necked Wood-Rail
RRAN
  
Rufous-rumped Antwren
RSTO
  
Rufous-sided Towhee
RFTF*
  
Rufous-tailed Flycatcher
RTAH*
  
Rufous-tailed Hummingbird
RTJA
  
Rufous-tailed Jacamar
RTRO
  
Rufous-tailed Robin
RTSO
  
Rufous-throated Solitaire
RVCH
  
Rufous-vented Chachalaca
RVGC
  
Rufous-vented Ground-Cuckoo
RWAN
  
Rufous-winged Antwren
RWSP
  
Rufous-winged Sparrow
RWTA
  
Rufous-winged Tanager
RWWO
  
Rufous-winged Woodpecker
RUAN
  
Russet Antshrike
RUNT
  
Russet Nightingale-Thrush
RCMO
  
Russet-crowned Motmot
RCQD
  
Russet-crowned Quail-Dove
RSWR*
  
Russet-naped Wood-Rail
RWSC
  
Russet-winged Schiffornis
RUBU
  
Rustic Bunting
RUBL
  
Rusty Blackbird
RUSP
  
Rusty Sparrow
RCGS
  
Rusty-crowned Ground-Sparrow
RMFL
  
Rusty-margined Flycatcher
SAGU
  
Sabine's Gull
SAFL
  
Sad Flycatcher
SAFI
  
Saffron Finch
SHPA
  
Saffron-headed Parrot
SAGS*
  
Sage Sparrow
SATH
  
Sage Thrasher
SABS*
  
Sagebrush Sparrow
SALS*
  
Saltmarsh Sparrow
SAAL
  
Salvin's Albatross
SAVI
  
San Andres Vireo
SBJA
  
San Blas Jay
SAND
  
Sanderling
SACR
  
Sandhill Crane
SATE
  
Sandwich Tern
SAPA
  
Sapayoa
SHTH*
  
Sapphire-throated Hummingbird
SAHA
  
Savanna Hawk
SAVS*
  
Savannah Sparrow
SAPH
  
Say's Phoebe
SCPT
  
Scale-crested Pygmy-Tyrant
SCAA*
  
Scaled Antpitta
SCPI
  
Scaled Pigeon
SCQU
  
Scaled Quail
SBRH*
  
Scaly-breasted Hummingbird
SBMU
  
Scaly-breasted Munia
SBTH
  
Scaly-breasted Thrasher
SCBW*
  
Scaly-breasted Wren
SNPI
  
Scaly-naped Pigeon
STFG
  
Scaly-throated Foliage-gleaner
STLE
  
Scaly-throated Leaftosser
SCIB
  
Scarlet Ibis
SCMA
  
Scarlet Macaw
SCTA
  
Scarlet Tanager
SBTA
  
Scarlet-browed Tanager
SRCA
  
Scarlet-rumped Cacique
SCRT*
  
Scarlet-rumped Tanager
STDA
  
Scarlet-thighed Dacnis
LESC
  
Scaup
SCHU
  
Scintillant Hummingbird
STFL
  
Scissor-tailed Flycatcher
SCOR
  
Scott's Oriole
SCMU
  
Scripps's Murrelet
SEUP*
  
Scrub Euphonia
SCRG*
  
Scrub Greenlet
SESP
  
Seaside Sparrow
SEWA
  
Sedge Warbler
SEWR
  
Sedge Wren
SEPL
  
Semipalmated Plover
SESA
  
Semipalmated Sandpiper
SEHA
  
Semiplumbeous Hawk
SEMW*
  
Semper's Warbler
SECF*
  
Sepia-capped Flycatcher
SHAR
  
Sharpbill
SSHA
  
Sharp-shinned Hawk
STGR
  
Sharp-tailed Grouse
SPTS*
  
Sharp-tailed Sandpiper
STSP
  
Sharp-tailed Sparrow
STST
  
Sharp-tailed Streamcreeper
SHHO
  
Shining Honeycreeper
SHCO
  
Shiny Cowbird
SBDO
  
Short-billed Dowitcher
SBPI
  
Short-billed Pigeon
SCCO
  
Short-crested Coquette
SEOW
  
Short-eared Owl
STAL
  
Short-tailed Albatross
STHA
  
Short-tailed Hawk
SHTN*
  
Short-tailed Nighthawk
STTS*
  
Short-tailed Shearwater
STSW
  
Short-tailed Swift
SIAC
  
Siberian Accentor
SBRO
  
Siberian Blue Robin
SIRU
  
Siberian Rubythroat
SISW
  
Sick's Swift
SMSP
  
Sierra Madre Sparrow
STTA
  
Silver-throated Tanager
SFTA
  
Silvery-fronted Tapaculo
STHJ*
  
Silvery-throated Jay
SICR
  
Sinaloa Crow
SIMA
  
Sinaloa Martin
SIWR
  
Sinaloa Wren
SIQU
  
Singing Quail
SCOG*
  
Slate-colored Grosbeak
SCJU
  
Slate-colored Junco
SCSE
  
Slate-colored Seedeater
SCSO
  
Slate-colored Solitaire
SHTF
  
Slate-headed Tody-Flycatcher
STGN
  
Slate-throated Gnatcatcher
STRE
  
Slate-throated Redstart
SLAN
  
Slaty Antwren
SLFI
  
Slaty Finch
SLFL
  
Slaty Flowerpiercer
SLSP
  
Slaty Spinetail
SLVI
  
Slaty Vireo
SBFF
  
Slaty-backed Forest-Falcon
SBGU
  
Slaty-backed Gull
SBNT
  
Slaty-backed Nightingale-Thrush
SBTI
  
Slaty-breasted Tinamou
SLCF*
  
Slaty-capped Flycatcher
STTR
  
Slaty-tailed Trogon
SWFG
  
Slaty-winged Foliage-gleaner
SLSH
  
Slender Sheartail
SBCU
  
Slender-billed Curlew
SBGR
  
Slender-billed Grackle
SBKI
  
Slender-billed Kite
SCGO
  
Small Canada Goose
SMEW
  
Smew
SMLO
  
Smith's Longspur
SMBW*
  
Smoky-brown Woodpecker
SBAN
  
Smooth-billed Ani
SNKI
  
Snail Kite
SNBU
  
Snow Bunting
SNGO
  
Snow Goose
SRGH
  
Snow x Ross's Goose Hybrid
SRGO
  
Snow/Ross's Goose
SNOC*
  
Snowcap
SNCO
  
Snowy Cotinga
SNEG
  
Snowy Egret
SNOW
  
Snowy Owl
SNPL
  
Snowy Plover
SBEH*
  
Snowy-bellied Hummingbird
SOFL
  
Social Flycatcher
SODO
  
Socorro Dove
SOMO
  
Socorro Mockingbird
SOCW*
  
Socorro Wren
SOEA
  
Solitary Eagle
SOSA
  
Solitary Sandpiper
SOSN
  
Solitary Snipe
SOVI
  
Solitary Vireo
SOSP
  
Song Sparrow
SOTH
  
Song Thrush
SONW*
  
Song Wren
SOGR
  
Sooty Grouse
SOSH
  
Sooty Shearwater
SOTE
  
Sooty Tern
SOOT*
  
Sooty Thrush
SCCH
  
Sooty-capped Chlorospingus
SFFI
  
Sooty-faced Finch
SHTY
  
Sooty-headed Tyrannulet
SHWR
  
Sooty-headed Wren
SORA
  
Sora
SPSK
  
South Polar Skua
SOBT
  
Southern Beardless-Tyrannulet
SOBE
  
Southern Bentbill
SOHW
  
Southern House-Wren
SOLA
  
Southern Lapwing
SOMA
  
Southern Martin
SRWS
  
Southern Rough-winged Swallow
SWFL
  
Southwestern Willow Flycatcher
SCHT*
  
Spangle-cheeked Tanager
SKTH*
  
Sparkling-tailed Hummingbird
SPMO
  
Speckled Mourner
SPTA
  
Speckled Tanager
SPEI
  
Spectacled Eider
SPEO*
  
Spectacled Owl
SPPA
  
Spectacled Parrotlet
SPTH
  
Spectacled Thrush
SFAN
  
Spiny-faced Antshrike
SBSA
  
Spoon-billed Sandpiper
SBOR
  
Spot-breasted Oriole
SBWP*
  
Spot-breasted Woodpecker
SBSW*
  
Spot-breasted Wren
SPCA*
  
Spot-crowned Antvireo
SCBA
  
Spot-crowned Barbet
SPCE*
  
Spot-crowned Euphonia
SCRW*
  
Spot-crowned Woodcreeper
SFSW
  
Spot-fronted Swift
SPTN*
  
Spot-tailed Nightjar
SPAN
  
Spotted Antbird
SPBA
  
Spotted Barbtail
SPCR
  
Spotted Crake
SPDO
  
Spotted Dove
SPFL
  
Spotted Flycatcher
SPNT
  
Spotted Nightingale-Thrush
SPOW
  
Spotted Owl
SPRA
  
Spotted Rail
SPRE
  
Spotted Redshank
SPSA
  
Spotted Sandpiper
SPTO
  
Spotted Towhee
SPWO
  
Spotted Woodcreeper
SPWQ
  
Spotted Wood-Quail
SPWR
  
Spotted Wren
SBOH
  
Spotted x Barred Owl Hybrid
SPPI
  
Sprague's Pipit
SPGR
  
Spruce Grouse
SQCU
  
Squirrel Cuckoo
SLBF
  
St. Lucia Black Finch
SLOR
  
St. Lucia Oriole
SLPA
  
St. Lucia Parrot
SLWA
  
St. Lucia Warbler
SVPA
  
St. Vincent Parrot
SVHU
  
Steely-vented Hummingbird
STPE
  
Stejneger's Petrel
STEI
  
Steller's Eider
STJA
  
Steller's Jay
STSE
  
Steller's Sea-Eagle
STSA
  
Stilt Sandpiper
STOF*
  
Stolid Flycatcher
STON
  
Stonechat
SGBW*
  
Straight-billed Woodcreeper
SBAO*
  
Streak-backed Oriole
SBTR
  
Streak-breasted Treehunter
SCHA*
  
Streak-chested Antpitta
STCA*
  
Streak-crowned Antvireo
STRF*
  
Streaked Flycatcher
SSAL*
  
Streaked Saltator
STSH*
  
Streaked Shearwater
STXE
  
Streaked Xenops
SHWO
  
Streak-headed Woodcreeper
STRM*
  
Streamertail
STRH*
  
Striated Heron
STCW*
  
Strickland's Woodpecker
SIBW*
  
Stripe-breasted Wren
SCHW*
  
Stripe-cheeked Woodpecker
STCU
  
Striped Cuckoo
STRO*
  
Striped Owl
SSPA*
  
Striped Sparrow
STPW*
  
Striped Woodhaunter
SHSP
  
Stripe-headed Sparrow
STHM*
  
Stripe-tailed Hummingbird
STHR*
  
Stripe-throated Hermit
STWR
  
Stripe-throated Wren
SNBW*
  
Strong-billed Woodcreeper
SBTS*
  
Stub-tailed Spadebill
STOW
  
Stygian Owl
SBFL
  
Sulphur-bellied Flycatcher
SRFL
  
Sulphur-rumped Flycatcher
SURT*
  
Sulphur-rumped Tanager
SWPA
  
Sulphur-winged Parakeet
SUWR
  
Sumichrast's Wren
SUTA
  
Summer Tanager
SUNB
  
Sunbittern
SUNG
  
Sungrebe
SUSC
  
Surf Scoter
SURF
  
Surfbird
SUWA
  
Sutton's Warbler
SWHA
  
Swainson's Hawk
SWTH
  
Swainson's Thrush
SWWA
  
Swainson's Warbler
SWTA
  
Swallow Tanager
STGU
  
Swallow-tailed Gull
STKI
  
Swallow-tailed Kite
SWSP
  
Swamp Sparrow
SSTP*
  
Swinhoe's Storm-Petrel
TACH
  
Tacarcuna Chlorospingus
TATA
  
Tacarcuna Tapaculo
TAWA
  
Tacarcuna Warbler
TAWQ
  
Tacarcuna Wood-Quail
TAPE
  
Tahiti Petrel
TABG
  
Taiga Bean-Goose
TAFL
  
Taiga Flycatcher
TAHU
  
Talamanca Hummingbird
TACR
  
Tamaulipas Crow
TAPO
  
Tamaulipas Pygmy-Owl
TBFL
  
Tawny-breasted Flycatcher
TCEU
  
Tawny-capped Euphonia
TCFL
  
Tawny-chested Flycatcher
TCNI
  
Tawny-collared Nightjar
TCTA
  
Tawny-crested Tanager
TCGR
  
Tawny-crowned Greenlet
TFGN
  
Tawny-faced Gnatwren
TFQU
  
Tawny-faced Quail
TSBL
  
Tawny-shouldered Blackbird
TTLE
  
Tawny-throated Leaftosser
TWWO
  
Tawny-winged Woodcreeper
TEST
  
Temminck's Stint
TEWA
  
Tennessee Warbler
TESA
  
Terek Sandpiper
THGU
  
Thayer's Gull
TBEU
  
Thick-billed Euphonia
TBKI
  
Thick-billed Kingbird
TBMU
  
Thick-billed Murre
TBPA
  
Thick-billed Parrot
TBSF
  
Thick-billed Seed-Finch
TBVI
  
Thick-billed Vireo
THAN
  
Thicket Antpitta
THTI
  
Thicket Tinamou
TWBE
  
Three-wattled Bellbird
TIWR
  
Timberline Wren
TIHA
  
Tiny Hawk
TOMO
  
Tody Motmot
TBHU
  
Tooth-billed Hummingbird
TOTY
  
Torrent Tyrannulet
TOSH
  
Townsend's Shearwater
TOSO
  
Townsend's Solitaire
TOSP
  
Townsend's Storm-Petrel
TOWA
  
Townsend's Warbler
THWH
  
Townsend's x Hermit Warbler Hybrid
TRFL
  
Traill's Flycatcher
TRJA
  
Transvolcanic Jay
TRPI
  
Tree Pipit
TRES*
  
Tree Swallow
TRBL
  
Tricolored Blackbird
TRHE
  
Tricolored Heron
TRMU
  
Tricolored Munia
TRPE
  
Trindade Petrel
TRSP
  
Tristram's Storm-Petrel
TRGN
  
Tropical Gnatcatcher
TRKI
  
Tropical Kingbird
TRMO
  
Tropical Mockingbird
TRPA
  
Tropical Parula
TROP*
  
Tropical Pewee
TRSO
  
Tropical Screech-Owl
TRUS*
  
Trumpeter Swan
TUDU
  
Tufted Duck
TUFL
  
Tufted Flycatcher
TUJA
  
Tufted Jay
TUPU
  
Tufted Puffin
TUTI
  
Tufted Titmouse
TUBG
  
Tundra Bean-Goose
TUSW
  
Tundra Swan
TUVU
  
Turkey Vulture
TUCO
  
Turquoise Cotinga
TBMO
  
Turquoise-browed Motmot
TUQD
  
Tuxtla Quail-Dove
UAIH*
  
Ula-ai-hawane
UNJA
  
Unicolored Jay
UAHA
  
Unidentified Accipiter Hawk
UNBI
  
Unidentified Bird
UNBL
  
Unidentified Blackbird
UNCR
  
Unidentified Crow
UNDO
  
Unidentified Dowitcher
UNDU
  
Unidentified Duck
UEFL
  
Unidentified Empidonax Flycatcher
UNFL
  
Unidentified Flycatcher
UNGO
  
Unidentified Goose
UHFI
  
Unidentified HaemorhousFinch
UNHA
  
Unidentified Hawk
UNHU
  
Unidentified Hummingbird
UNLG
  
Unidentified Larus Gull
UNOW
  
Unidentified Owl
UPTA
  
Unidentified Piranga Tanager
UPCH
  
Unidentified Poecile Chickadee
UNSA
  
Unidentified Sapsucker
USHU
  
Unidentified Selasphorus Hummingbird
UNSP
  
Unidentified Sparrow
UNSW
  
Unidentified Swallow
UNTE
  
Unidentified Teal
UNTH
  
Unidentified Thrush
UNWA
  
Unidentified Warbler
UNWO
  
Unidentified Woodpecker
UNWR
  
Unidentified Wren
UNIC*
  
Uniform Crake
USWO
  
Unspotted Saw-whet Owl
UPSA
  
Upland Sandpiper
VASE
  
Variable Seedeater
VABU
  
Varied Bunting
VASO
  
Varied Solitaire
VATH
  
Varied Thrush
VAFL
  
Variegated Flycatcher
VASW
  
Vaux's Swift
VEER
  
Veery
VETR
  
Venezuelan Troupial
VEMA
  
Veraguan Mango
VERD
  
Verdin
VESO
  
Vermiculated Screech-Owl
VEFL
  
Vermilion Flycatcher
VEHU
  
Vervain Hummingbird
VESP
  
Vesper Sparrow
VIWE
  
Village Weaver
VIQD
  
Violaceous Quail-Dove
VISA
  
Violet Sabrewing
VBHU
  
Violet-bellied Hummingbird
VCAH*
  
Violet-capped Hummingbird
VCHU
  
Violet-crowned Hummingbird
VGSW
  
Violet-green Swallow
VHHU
  
Violet-headed Hummingbird
VIRA
  
Virginia Rail
VIWA
  
Virginia's Warbler
VIDA
  
Viridian Dacnis
VITW*
  
Vitelline Warbler
VOHU
  
Volcano Hummingbird
VOJU
  
Volcano Junco
WAAL
  
Wandering Albatross
WATA
  
Wandering Tattler
WAVI
  
Warbling Vireo
WAJA
  
Wattled Jacana
WAVA*
  
Waved Albatross
WBWO
  
Wedge-billed Woodcreeper
WRSP
  
Wedge-rumped Storm-Petrel
WTGF
  
Wedge-tailed Grass-Finch
WTSA
  
Wedge-tailed Sabrewing
WTSH
  
Wedge-tailed Shearwater
WIWD
  
West Indian Whistling-Duck
WIWO
  
West Indian Woodpecker
WMCH
  
West Mexican Chachalaca
WEBL
  
Western Bluebird
WECT
  
Western Chat-Tanager
WEFL
  
Western Flycatcher
WEGR
  
Western Grebe
WEGU
  
Western Gull
WEKI
  
Western Kingbird
WMHA
  
Western Marsh Harrier
WEME
  
Western Meadowlark
WPWA
  
Western Palm Warbler
WERH
  
Western Reef-Heron
WESA
  
Western Sandpiper
WESO
  
Western Screech-Owl
WESP
  
Western Spindalis
WETA
  
Western Tanager
WEWR
  
Western Water-Rail
WEWP
  
Western Wood-Pewee
WGWH
  
Western X Glaucous-winged Gull Hybrid
WMBH
  
Western X Mountain Bluebird Hybrid
WHIM
  
Whimbrel
WHAU
  
Whiskered Auklet
WHSO
  
Whiskered Screech-Owl
WHST*
  
Whiskered Tern
WHHE
  
Whistling Heron
WHSW
  
Whistling Swan
WHIW*
  
Whistling Warbler
WHHA
  
White Hawk
WHIB
  
White Ibis
WHTT*
  
White Tern
WHWA
  
White Wagtail
WBEA*
  
White-bellied Antbird
WBCH
  
White-bellied Chachalaca
WBEM
  
White-bellied Emerald
WBMG
  
White-bellied Mountain-gem
WBWR
  
White-bellied Wren
WBNU
  
White-breasted Nuthatch
WBTH
  
White-breasted Thrasher
WBWW
  
White-breasted Wood-Wren
WCAL
  
White-capped Albatross
WCHP*
  
White-cheeked Pintail
WCPE
  
White-chinned Petrel
WCHS*
  
White-chinned Swift
WCTH
  
White-chinned Thrush
WCOM*
  
White-collared Manakin
WCSW
  
White-collared Swift
WGSH
  
White-cr. X Golden-cr. Sparrow Hybrid
WCCO
  
White-crested Coquette
WCEL
  
White-crested Elaenia
WCRM*
  
White-crowned Manakin
WCPA
  
White-crowned Parrot
WCPI
  
White-crowned Pigeon
WCSP
  
White-crowned Sparrow
WECO
  
White-eared Conebill
WEGS
  
White-eared Ground-Sparrow
WEHU
  
White-eared Hummingbird
WETH
  
White-eyed Thrush
WEVI
  
White-eyed Vireo
WFGS
  
White-faced Ground-Sparrow
WFIB
  
White-faced Ibis
WFAQ*
  
White-faced Quail-Dove
WFSP
  
White-faced Storm-Petrel
WFWD
  
White-faced Whistling-Duck
WFLA*
  
White-flanked Antwren
WFRA*
  
White-fringed Antwren
WFNU
  
White-fronted Nunbird
WFPA
  
White-fronted Parrot
WFRQ*
  
White-fronted Quail-Dove
WFSW
  
White-fronted Swift
WHWO
  
White-headed Woodpecker
WHWR
  
White-headed Wren
WLTA
  
White-lined Tanager
WLGN
  
White-lored Gnatcatcher
WNBR
  
White-naped Brushfinch
WNSW
  
White-naped Swift
WNCR
  
White-necked Crow
WNJA
  
White-necked Jacobin
WNPE
  
White-necked Petrel
WNPU
  
White-necked Puffbird
WRFL
  
White-ringed Flycatcher
WRMA
  
White-ruffed Manakin
WRSA
  
White-rumped Sandpiper
WRSH
  
White-rumped Shama
WHTH
  
White's Thrush
WSTA
  
White-shouldered Tanager
WSWO
  
White-striped Woodcreeper
WTEA
  
White-tailed Eagle
WTEM
  
White-tailed Emerald
WTHA
  
White-tailed Hawk
WTAH*
  
White-tailed Hummingbird
WTKI
  
White-tailed Kite
WTNI
  
White-tailed Nightjar
WTPT
  
White-tailed Ptarmigan
WTAT*
  
White-tailed Trogon
WTTR
  
White-tailed Tropicbird
WTGS*
  
White-thighed Swallow
WTCR
  
White-throated Crake
WTFL
  
White-throated Flycatcher
WTJA
  
White-throated Jay
WTMJ
  
White-throated Magpie-Jay
WTMG
  
White-throated Mountain-gem
WTNE
  
White-throated Needletail
WTST
  
White-throated Shrike-Tanager
WTRS*
  
White-throated Spadebill
WTSP
  
White-throated Sparrow
WTSW
  
White-throated Swift
WTTH
  
White-throated Thrush
WTTO
  
White-throated Towhee
WTDO
  
White-tipped Dove
WTSI
  
White-tipped Sicklebill
WVEU
  
White-vented Euphonia
WVPL
  
White-vented Plumeleteer
WWPU
  
White-whiskered Puffbird
WWBE
  
White-winged Becard
WWCR
  
White-winged Crossbill
WWDO
  
White-winged Dove
WWJU
  
White-winged Junco
WWPA
  
White-winged Parakeet
WWSC
  
White-winged Scoter
WWTA
  
White-winged Tanager
WWTE
  
White-winged Tern
WWWA
  
White-winged Warbler
WHOS*
  
Whooper Swan
WHCR
  
Whooping Crane
WHMO
  
Whooping Motmot
WITU
  
Wild Turkey
WILL
  
Willet
WISA
  
Williamson's Sapsucker
WIFL
  
Willow Flycatcher
WIPT
  
Willow Ptarmigan
WILW*
  
Willow Warbler
WIPH
  
Wilson's Phalarope
WIPL
  
Wilson's Plover
WISN
  
Wilson's Snipe
WISP
  
Wilson's Storm-Petrel
WIWA
  
Wilson's Warbler
WTHH*
  
Wine-throated Hummingbird
WBAA*
  
Wing-banded Antbird
WIWR
  
Winter Wren
WODU
  
Wood Duck
WOSA
  
Wood Sandpiper
WOST
  
Wood Stork
WOTH
  
Wood Thrush
WOWA
  
Wood Warbler
WOSJ
  
Woodhouse's Scrub-Jay
WEWA
  
Worm-eating Warbler
WOSP
  
Worthen's Sparrow
WRET*
  
Wrenthrush
WREN
  
Wrentit
XAHU
  
Xantus's Hummingbird
YEBI
  
Yellow Bittern
YEGR
  
Yellow Grosbeak
YPWA
  
Yellow Palm Warbler
YERA
  
Yellow Rail
YETY
  
Yellow Tyrannulet
YEWA
  
Yellow Warbler
YBOR
  
Yellow-backed Oriole
YBTA
  
Yellow-backed Tanager
YBEL
  
Yellow-bellied Elaenia
YBFL
  
Yellow-bellied Flycatcher
YBSA
  
Yellow-bellied Sapsucker
YBSE
  
Yellow-bellied Seedeater
YBSI
  
Yellow-bellied Siskin
YBTY
  
Yellow-bellied Tyrannulet
YBIC*
  
Yellow-billed Cacique
YBCA
  
Yellow-billed Cardinal
YBCO
  
Yellow-billed Cotinga
YBCU
  
Yellow-billed Cuckoo
YBLO
  
Yellow-billed Loon
YBMA
  
Yellow-billed Magpie
YBPA
  
Yellow-billed Parrot
YBTE
  
Yellow-billed Tern
YBSB*
  
Yellow-breasted Bunting
YBCH
  
Yellow-breasted Chat
YBCR
  
Yellow-breasted Crake
YBRF*
  
Yellow-breasted Flycatcher
YBWB*
  
Yellow-browed Bunting
YBSV
  
Yellow-browed Shrike-Vireo
YBWA
  
Yellow-browed Warbler
YCCH
  
Yellow-collared Chlorophonia
YCBI
  
Yellow-crowned Bishop
YCEU
  
Yellow-crowned Euphonia
YCNH
  
Yellow-crowned Night-Heron
YCPA
  
Yellow-crowned Parrot
YCTY
  
Yellow-crowned Tyrannulet
YETO
  
Yellow-eared Toucanet
YEJU
  
Yellow-eyed Junco
YFGR
  
Yellow-faced Grassquit
YFGU
  
Yellow-footed Gull
YFCA
  
Yellow-fronted Canary
YGFI
  
Yellow-green Finch
YGGR
  
Yellow-green Grosbeak
YGTY
  
Yellow-green Tyrannulet
YGVI
  
Yellow-green Vireo
YHBL
  
Yellow-headed Blackbird
YHCA
  
Yellow-headed Caracara
YHPA
  
Yellow-headed Parrot
YHWA
  
Yellow-headed Warbler
YHOB*
  
Yellow-hooded Blackbird
YEFL
  
Yellowish Flycatcher
YEPI
  
Yellowish Pipit
YLGU
  
Yellow-legged Gull
YLPA
  
Yellow-lored Parrot
YMFL
  
Yellow-margined Flycatcher
YNPA
  
Yellow-naped Parrot
YNAL
  
Yellow-nosed Albatross
YOFL
  
Yellow-olive Flycatcher
YRCA
  
Yellow-rumped Cacique
YRWA
  
Yellow-rumped Warbler
YSFL
  
Yellow-shafted Flicker
YSBL
  
Yellow-shouldered Blackbird
YSGR
  
Yellow-shouldered Grassquit
YTOR
  
Yellow-tailed Oriole
YTFI
  
Yellow-thighed Finch
YTBU
  
Yellow-throated Bunting
YTCH
  
Yellow-throated Chlorospingus
YTEU
  
Yellow-throated Euphonia
YTTO
  
Yellow-throated Toucan
YTVI
  
Yellow-throated Vireo
YTWA
  
Yellow-throated Warbler
YWCA
  
Yellow-winged Cacique
YWTA
  
Yellow-winged Tanager
YWVI
  
Yellow-winged Vireo
YUFL
  
Yucatan Flycatcher
YUJA
  
Yucatan Jay
YUNI
  
Yucatan Nightjar
YUPO
  
Yucatan Poorwill
YUVI
  
Yucatan Vireo
YUWO
  
Yucatan Woodpecker
YUWR
  
Yucatan Wren
ZARA
  
Zapata Rail
ZASP
  
Zapata Sparrow
ZAWR
  
Zapata Wren
ZEBD*
  
Zebra Dove
ZEAN
  
Zeledon's Antbird
ZEND*
  
Zenaida Dove
ZIPE
  
Zino's Petrel
ZTHA
  
Zone-tailed Hawk

* Four-letter codes that, because of conflicts, are not "1st-order" codes, are marked with asterisks.
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