Crossley Guide Species List
Browse all 793 species featured in the Crossley ID Guide. Click on any species name to view detailed information and images.
Black-bellied Whistling-Duck
Dendrocygna autumnalis
BBWD
Fulvous Whistling-Duck
Dendrocygna bicolor
FUWD
Taiga Bean-Goose
Anser fabalis
TABG
Pink-footed Goose
Anser brachyrhynchus
PFGO
Greater White-fronted Goose
Anser albifrons
GWFG
Graylag Goose
Anser anser
GRGO
Snow Goose
Chen caerulescens
SNGO
Ross's Goose
Chen rossii
ROGO
Brant
Branta bernicla
BRAN
Barnacle Goose
Branta leucopsis
BARG, BRNG
Cackling Goose
Branta hutchinsii
CACG
Canada Goose
Branta canadensis
CANG, CAGO
Mute Swan
Cygnus olor
MUSW
Trumpeter Swan
Cygnus buccinator
TRUS
Tundra Swan
Cygnus columbianus
TUSW
Tundra Swan (Whistling)
Cygnus columbianus columbianus
Tundra Swan (Bewick's)
Cygnus columbianus bewickii
Whooper Swan
Cygnus cygnus
WHOS
Egyptian Goose
Alopochen aegyptiaca
Common Shelduck
Tadorna tadorna
Muscovy Duck
Cairina moschata
MUDU
Wood Duck
Aix sponsa
WODU
Gadwall
Anas strepera
GADW
Eurasian Wigeon
Anas penelope
EUWI
American Wigeon
Anas americana
AMWI
American Black Duck
Anas rubripes
ABDU
Mallard
Anas platyrhynchos
MALL
Mallard (Mexican)
Anas platyrhynchos diazi
MEDU
Mottled Duck
Anas fulvigula
MODU
Blue-winged Teal
Anas discors
BWTE
Cinnamon Teal
Anas cyanoptera
CITE
Northern Shoveler
Anas clypeata
NOSH, NSHO
White-cheeked Pintail
Anas bahamensis
WHIP, WCHP
Northern Pintail
Anas acuta
NOPI
Garganey
Anas querquedula
GARG
Green-winged Teal
Anas crecca
GWTE
Red-crested Pochard
Netta rufina
Canvasback
Aythya valisineria
CANV
Redhead
Aythya americana
REDH
Common Pochard
Aythya ferina
CPOC, COMP
Ring-necked Duck
Aythya collaris
RNDU
Ferruginous Duck
Aythya nyroca
Tufted Duck
Aythya fuligula
TUDU
Greater Scaup
Aythya marila
GRSC
Lesser Scaup
Aythya affinis
LESC
King Eider
Somateria spectabilis
KIEI
Common Eider
Somateria mollissima
COEI
Harlequin Duck
Histrionicus histrionicus
HADU, HARD
Surf Scoter
Melanitta perspicillata
SUSC
White-winged Scoter
Melanitta fusca
WWSC
Common Scoter
Melanitta nigra
Black Scoter
Melanitta americana
BLSC
Long-tailed Duck
Clangula hyemalis
LTDU
Bufflehead
Bucephala albeola
BUFF
Common Goldeneye
Bucephala clangula
COGO
Barrow's Goldeneye
Bucephala islandica
BAGO
Smew
Mergellus albellus
SMEW
Hooded Merganser
Lophodytes cucullatus
HOME
Common Merganser
Mergus merganser
COME
Red-breasted Merganser
Mergus serrator
RBME
Masked Duck
Nomonyx dominicus
MADU
Ruddy Duck
Oxyura jamaicensis
RUDU
Plain Chachalaca
Ortalis vetula
PLCH
Scaled Quail
Callipepla squamata
SCQU
Northern Bobwhite
Colinus virginianus
NOBO
Montezuma Quail
Cyrtonyx montezumae
MTZQ, MONQ
Common Quail
Coturnix coturnix
Red-legged Partridge
Alectoris rufa
Golden Pheasant
Chrysolophus pictus
Ring-necked Pheasant
Phasianus colchicus
RPHE, RNEP
Gray Partridge
Perdix perdix
GRPA, GRAP
Eurasian Capercaillie
Tetrao urogallus
Black Grouse
Tetrao tetrix
Ruffed Grouse
Bonasa umbellus
RUGR
Greater Sage-Grouse
Centrocercus urophasianus
GRSG
Spruce Grouse
Falcipennis canadensis
SPGR
Willow Ptarmigan
Lagopus lagopus
WIPT
Willow Ptarmigan (Red Grouse)
Lagopus lagopus scotica
Rock Ptarmigan
Lagopus muta
ROPT
Sharp-tailed Grouse
Tympanuchus phasianellus
STGR
Greater Prairie-Chicken
Tympanuchus cupido
GPCH, GRPC
Lesser Prairie-Chicken
Tympanuchus pallidicinctus
LPCH, LEPC
Wild Turkey
Meleagris gallopavo
WITU
Red-throated Loon
Gavia stellata
RTLO
Arctic Loon
Gavia arctica
ARLO
Pacific Loon
Gavia pacifica
PALO
Common Loon
Gavia immer
COLO
Yellow-billed Loon
Gavia adamsii
YBLO
Little Grebe
Tachybaptus ruficollis
Least Grebe
Tachybaptus dominicus
LEGR
Pied-billed Grebe
Podilymbus podiceps
PBGR
Horned Grebe
Podiceps auritus
HOGR
Red-necked Grebe
Podiceps grisegena
RNGR
Great Crested Grebe
Podiceps cristatus
Eared Grebe
Podiceps nigricollis
EAGR
Western Grebe
Aechmophorus occidentalis
WEGR
Clark's Grebe
Aechmophorus clarkii
CLGR
Northern Fulmar
Fulmarus glacialis
NOFU
Herald Petrel
Pterodroma heraldica
Fea's Petrel
Pterodroma feae
FEPE
Bermuda Petrel
Pterodroma cahow
BEPE
Black-capped Petrel
Pterodroma hasitata
BCPE
Cory's Shearwater
Calonectris diomedea
COSH
Great Shearwater
Ardenna gravis
Sooty Shearwater
Ardenna grisea
SOSH
Manx Shearwater
Puffinus puffinus
MASH
Balearic Shearwater
Puffinus mauretanicus
Audubon's Shearwater
Puffinus lherminieri
AUSH
Wilson's Storm-Petrel
Oceanites oceanicus
WISP
White-faced Storm-Petrel
Pelagodroma marina
WFSP
European Storm-Petrel
Hydrobates pelagicus
EUSP
Leach's Storm-Petrel
Oceanodroma leucorhoa
LESP, LHSP
Band-rumped Storm-Petrel
Oceanodroma castro
BSTP, BANP
White-tailed Tropicbird
Phaethon lepturus
WTTR
Red-billed Tropicbird
Phaethon aethereus
RBTR
White Stork
Ciconia ciconia
Wood Stork
Mycteria americana
WOST
Magnificent Frigatebird
Fregata magnificens
MAFR
Masked Booby
Sula dactylatra
MABO
Brown Booby
Sula leucogaster
BRBO
Red-footed Booby
Sula sula
RFBO
Northern Gannet
Morus bassanus
NOGA
Neotropic Cormorant
Phalacrocorax brasilianus
NECO
Double-crested Cormorant
Phalacrocorax auritus
DCCO
Great Cormorant
Phalacrocorax carbo
GRCO
European Shag
Phalacrocorax aristotelis
Anhinga
Anhinga anhinga
ANHI
American White Pelican
Pelecanus erythrorhynchos
AWPE
Brown Pelican
Pelecanus occidentalis
BRPE
American Bittern
Botaurus lentiginosus
AMBI
Great Bittern
Botaurus stellaris
Least Bittern
Ixobrychus exilis
LEBI
Great Blue Heron
Ardea herodias
GBHE
Gray Heron
Ardea cinerea
GRAH
Purple Heron
Ardea purpurea
PUHE
Great Egret
Ardea alba
GREG
Little Egret
Egretta garzetta
LIEG
Snowy Egret
Egretta thula
SNEG
Little Blue Heron
Egretta caerulea
LBHE
Tricolored Heron
Egretta tricolor
TRHE
Reddish Egret
Egretta rufescens
REEG
Cattle Egret
Bubulcus ibis
CAEG
Green Heron
Butorides virescens
GRHE
Black-crowned Night-Heron
Nycticorax nycticorax
BCNH
Yellow-crowned Night-Heron
Nyctanassa violacea
YCNH
White Ibis
Eudocimus albus
WHIB
Glossy Ibis
Plegadis falcinellus
GLIB
White-faced Ibis
Plegadis chihi
WFIB
Eurasian Spoonbill
Platalea leucorodia
EURS
Roseate Spoonbill
Platalea ajaja
ROSP
Black Vulture
Coragyps atratus
BLVU
Turkey Vulture
Cathartes aura
TUVU
California Condor
Gymnogyps californianus
CALC, CACO
Osprey
Pandion haliaetus
OSPR
White-tailed Kite
Elanus leucurus
WTKI
Hook-billed Kite
Chondrohierax uncinatus
HBKI
European Honey-buzzard
Pernis apivorus
Swallow-tailed Kite
Elanoides forficatus
STKI
Golden Eagle
Aquila chrysaetos
GOEA
Snail Kite
Rostrhamus sociabilis
SNKI
Mississippi Kite
Ictinia mississippiensis
MIKI
Eurasian Marsh-Harrier
Circus aeruginosus
WMHA
Northern Harrier
Circus cyaneus
NOHA
Montagu's Harrier
Circus pygargus
Eurasian Sparrowhawk
Accipiter nisus
Sharp-shinned Hawk
Accipiter striatus
SSHA
Cooper's Hawk
Accipiter cooperii
COHA
Northern Goshawk
Accipiter gentilis
NOGO
Red Kite
Milvus milvus
Bald Eagle
Haliaeetus leucocephalus
BAEA
Common Black Hawk
Buteogallus anthracinus
COBH
Harris's Hawk
Parabuteo unicinctus
HRSH, HASH
White-tailed Hawk
Geranoaetus albicaudatus
Gray Hawk
Buteo plagiatus
GRHA
Red-shouldered Hawk
Buteo lineatus
RSHA
Broad-winged Hawk
Buteo platypterus
BWHA
Short-tailed Hawk
Buteo brachyurus
STHA
Swainson's Hawk
Buteo swainsoni
SWHA
Zone-tailed Hawk
Buteo albonotatus
ZTHA
Red-tailed Hawk
Buteo jamaicensis
RTHA
Rough-legged Hawk
Buteo lagopus
RLHA
Ferruginous Hawk
Buteo regalis
FEHA
Common Buzzard
Buteo buteo
Great Bustard
Otis tarda
Yellow Rail
Coturnicops noveboracensis
YERA
Black Rail
Laterallus jamaicensis
BLRA
Corn Crake
Crex crex
CORC
King Rail
Rallus elegans
KIRA
Clapper Rail
Rallus crepitans
Virginia Rail
Rallus limicola
VIRA
Water Rail
Rallus aquaticus
Spotted Crake
Porzana porzana
SPCR
Sora
Porzana carolina
SORA
Purple Gallinule
Porphyrio martinicus
PUGA
Western Swamphen
Porphyrio porphyrio
Common Gallinule
Gallinula galeata
COGA
Eurasian Coot
Fulica atra
EUCO
American Coot
Fulica americana
AMCO
Limpkin
Aramus guarauna
LIMP
Sandhill Crane
Grus canadensis
SACR
Common Crane
Grus grus
COMC
Whooping Crane
Grus americana
WHCR
Eurasian Thick-knee
Burhinus oedicnemus
Black-necked Stilt
Himantopus mexicanus
BNST
Pied Avocet
Recurvirostra avosetta
American Avocet
Recurvirostra americana
AMAV
Eurasian Oystercatcher
Haematopus ostralegus
EUOY
American Oystercatcher
Haematopus palliatus
AMOY
Black-bellied Plover
Pluvialis squatarola
BBPL
European Golden-Plover
Pluvialis apricaria
EUGP
American Golden-Plover
Pluvialis dominica
AMGP
Pacific Golden-Plover
Pluvialis fulva
PAGP
Northern Lapwing
Vanellus vanellus
NOLA
Lesser Sand-Plover
Charadrius mongolus
LSAP
Snowy Plover
Charadrius nivosus
SNPL
Wilson's Plover
Charadrius wilsonia
WIPL
Common Ringed Plover
Charadrius hiaticula
CRPL
Semipalmated Plover
Charadrius semipalmatus
SEPL
Piping Plover
Charadrius melodus
PIPL
Little Ringed Plover
Charadrius dubius
LRPL
Killdeer
Charadrius vociferus
KILL
Mountain Plover
Charadrius montanus
MOPL
Eurasian Dotterel
Charadrius morinellus
EUDO
Northern Jacana
Jacana spinosa
NOJA
Common Sandpiper
Actitis hypoleucos
COSA
Spotted Sandpiper
Actitis macularius
SPSA
Green Sandpiper
Tringa ochropus
GRSA
Solitary Sandpiper
Tringa solitaria
SOSA
Spotted Redshank
Tringa erythropus
SPRE
Greater Yellowlegs
Tringa melanoleuca
GRYE
Common Greenshank
Tringa nebularia
COMG
Willet (Eastern)
Tringa semipalmata semipalmata
Willet (Western)
Tringa semipalmata inornata
Lesser Yellowlegs
Tringa flavipes
LEYE
Wood Sandpiper
Tringa glareola
WOSA
Common Redshank
Tringa totanus
COMR
Upland Sandpiper
Bartramia longicauda
UPSA
Whimbrel
Numenius phaeopus
WHIM
Eurasian Curlew
Numenius arquata
EUCU
Long-billed Curlew
Numenius americanus
LBCU
Black-tailed Godwit
Limosa limosa
BLAG, BTGD
Hudsonian Godwit
Limosa haemastica
HUGO
Bar-tailed Godwit
Limosa lapponica
BARG, BTGO
Marbled Godwit
Limosa fedoa
MAGO
Ruddy Turnstone
Arenaria interpres
RUTU
Red Knot
Calidris canutus
REKN
Ruff
Calidris pugnax
Sharp-tailed Sandpiper
Calidris acuminata
SHAS, SPTS
Stilt Sandpiper
Calidris himantopus
STSA
Curlew Sandpiper
Calidris ferruginea
CUSA
Temminck's Stint
Calidris temminckii
TEST
Red-necked Stint
Calidris ruficollis
RNST
Sanderling
Calidris alba
SAND
Dunlin
Calidris alpina
DUNL
Purple Sandpiper
Calidris maritima
PUSA
Baird's Sandpiper
Calidris bairdii
BASA
Little Stint
Calidris minuta
LIST
Least Sandpiper
Calidris minutilla
LESA
White-rumped Sandpiper
Calidris fuscicollis
WRSA
Buff-breasted Sandpiper
Calidris subruficollis
Pectoral Sandpiper
Calidris melanotos
PESA
Semipalmated Sandpiper
Calidris pusilla
SESA
Western Sandpiper
Calidris mauri
WESA
Short-billed Dowitcher
Limnodromus griseus
SBDO
Long-billed Dowitcher
Limnodromus scolopaceus
LBDO
Jack Snipe
Lymnocryptes minimus
JASN
Wilson's Snipe
Gallinago delicata
WISN
Common Snipe
Gallinago gallinago
COSN
Eurasian Woodcock
Scolopax rusticola
EUWO
American Woodcock
Scolopax minor
AMWO
Wilson's Phalarope
Phalaropus tricolor
WIPH
Red-necked Phalarope
Phalaropus lobatus
RNPH
Red Phalarope
Phalaropus fulicarius
REPH
Great Skua
Stercorarius skua
GRSK
South Polar Skua
Stercorarius maccormicki
SPSK
Pomarine Jaeger
Stercorarius pomarinus
POJA
Parasitic Jaeger
Stercorarius parasiticus
PAJA
Long-tailed Jaeger
Stercorarius longicaudus
LTJA
Dovekie
Alle alle
DOVE
Common Murre
Uria aalge
COMU
Thick-billed Murre
Uria lomvia
TBMU
Razorbill
Alca torda
RAZO
Black Guillemot
Cepphus grylle
BLGU
Long-billed Murrelet
Brachyramphus perdix
LBMU
Ancient Murrelet
Synthliboramphus antiquus
ANMU
Atlantic Puffin
Fratercula arctica
ATPU
Black-legged Kittiwake
Rissa tridactyla
BLKI
Ivory Gull
Pagophila eburnea
IVGU
Sabine's Gull
Xema sabini
SAGU
Bonaparte's Gull
Chroicocephalus philadelphia
BOGU
Black-headed Gull
Chroicocephalus ridibundus
BHGU
Little Gull
Hydrocoloeus minutus
LIGU
Ross's Gull
Rhodostethia rosea
ROGU
Laughing Gull
Leucophaeus atricilla
LAGU
Franklin's Gull
Leucophaeus pipixcan
FRGU
Mediterranean Gull
Ichthyaetus melanocephalus
Black-tailed Gull
Larus crassirostris
BTGU
Heermann's Gull
Larus heermanni
HEEG
Mew Gull
Larus canus
MEGU
Ring-billed Gull
Larus delawarensis
RBGU
California Gull
Larus californicus
CAGU
Herring Gull
Larus argentatus
HERG
Yellow-legged Gull
Larus michahellis
YLGU
Caspian Gull
Larus cachinnans
Thayer's Gull
Larus thayeri
THGU
Iceland Gull
Larus glaucoides
ICGU
Lesser Black-backed Gull
Larus fuscus
LBBG
Slaty-backed Gull
Larus schistisagus
SBGU
Glaucous-winged Gull
Larus glaucescens
GWGU
Glaucous Gull
Larus hyperboreus
GLGU
Great Black-backed Gull
Larus marinus
GBBG
Kelp Gull
Larus dominicanus
KEGU
Brown Noddy
Anous stolidus
BRNO
Sooty Tern
Onychoprion fuscatus
SOTE
Bridled Tern
Onychoprion anaethetus
BRTE
Little Tern
Sternula albifrons
LITE
Least Tern
Sternula antillarum
LETE
Gull-billed Tern
Gelochelidon nilotica
GBTE
Caspian Tern
Hydroprogne caspia
CATE
Black Tern
Chlidonias niger
BLTE
White-winged Tern
Chlidonias leucopterus
WWTE
Roseate Tern
Sterna dougallii
ROST
Common Tern
Sterna hirundo
COTE
Arctic Tern
Sterna paradisaea
ARTE
Forster's Tern
Sterna forsteri
FOTE
Royal Tern
Thalasseus maximus
ROYT
Sandwich Tern
Thalasseus sandvicensis
SATE
Elegant Tern
Thalasseus elegans
ELTE
Black Skimmer
Rynchops niger
BLSK
Rock Pigeon
Columba livia
ROPI
Stock Dove
Columba oenas
Common Wood-Pigeon
Columba palumbus
White-crowned Pigeon
Patagioenas leucocephala
WCPI
Red-billed Pigeon
Patagioenas flavirostris
RBPI
Band-tailed Pigeon
Patagioenas fasciata
BTPI
European Turtle-Dove
Streptopelia turtur
EUTD
Eurasian Collared-Dove
Streptopelia decaocto
ECDO, EUCD
Inca Dove
Columbina inca
INDO
Common Ground-Dove
Columbina passerina
COGD
Ruddy Ground-Dove
Columbina talpacoti
RUGD
White-tipped Dove
Leptotila verreauxi
WTDO
White-winged Dove
Zenaida asiatica
WWDO
Mourning Dove
Zenaida macroura
MODO
Common Cuckoo
Cuculus canorus
COCU
Yellow-billed Cuckoo
Coccyzus americanus
YBCU
Mangrove Cuckoo
Coccyzus minor
MACU
Black-billed Cuckoo
Coccyzus erythropthalmus
BBCU
Greater Roadrunner
Geococcyx californianus
GRRO
Smooth-billed Ani
Crotophaga ani
SBAN
Groove-billed Ani
Crotophaga sulcirostris
GBAN
Barn Owl
Tyto alba
BANO
Eastern Screech-Owl
Megascops asio
EASO
Great Horned Owl
Bubo virginianus
GHOW
Snowy Owl
Bubo scandiacus
SNOW
Northern Hawk Owl
Surnia ulula
NHOW
Ferruginous Pygmy-Owl
Glaucidium brasilianum
FEPO
Elf Owl
Micrathene whitneyi
ELOW
Burrowing Owl
Athene cunicularia
BUOW
Little Owl
Athene noctua
Tawny Owl
Strix aluco
Barred Owl
Strix varia
BDOW, BADO
Great Gray Owl
Strix nebulosa
GGOW
Long-eared Owl
Asio otus
LEOW
Short-eared Owl
Asio flammeus
SEOW
Boreal Owl
Aegolius funereus
BOOW
Northern Saw-whet Owl
Aegolius acadicus
NSWO
Lesser Nighthawk
Chordeiles acutipennis
LENI
Common Nighthawk
Chordeiles minor
CONI
Antillean Nighthawk
Chordeiles gundlachii
ANNI
Common Pauraque
Nyctidromus albicollis
COPA
Common Poorwill
Phalaenoptilus nuttallii
COPO
Chuck-will's-widow
Antrostomus carolinensis
CWWI
Eastern Whip-poor-will
Antrostomus vociferus
EWPW
Eurasian Nightjar
Caprimulgus europaeus
White-collared Swift
Streptoprocne zonaris
WCSW
Chimney Swift
Chaetura pelagica
CHSW
Vaux's Swift
Chaetura vauxi
VASW
Alpine Swift
Apus melba
ALSW
Common Swift
Apus apus
COSW
White-throated Swift
Aeronautes saxatalis
WTSW
Green Violetear
Colibri thalassinus
GRVI, GVIO, GREV
Green-breasted Mango
Anthracothorax prevostii
GBMA, GREM, GNBM
Magnificent Hummingbird
Eugenes fulgens
MAHU
Blue-throated Hummingbird
Lampornis clemenciae
BLUH, BTHH
Ruby-throated Hummingbird
Archilochus colubris
RTHU
Black-chinned Hummingbird
Archilochus alexandri
BCHU
Anna's Hummingbird
Calypte anna
ANHU
Broad-tailed Hummingbird
Selasphorus platycercus
BTLH, BTAH
Rufous Hummingbird
Selasphorus rufus
RUHU
Allen's Hummingbird
Selasphorus sasin
ALHU
Calliope Hummingbird
Selasphorus calliope
CAHU
Broad-billed Hummingbird
Cynanthus latirostris
BBLH, BBIH
Buff-bellied Hummingbird
Amazilia yucatanensis
BUFH, BBEH
White-eared Hummingbird
Hylocharis leucotis
WEHU
Eurasian Hoopoe
Upupa epops
EHOO
Abyssinian Ground-Hornbill
Bucorvus abyssinicus
Common Kingfisher
Alcedo atthis
Ringed Kingfisher
Megaceryle torquata
RIKI
Belted Kingfisher
Megaceryle alcyon
BEKI
Green Kingfisher
Chloroceryle americana
GKIN
European Bee-eater
Merops apiaster
Eurasian Wryneck
Jynx torquilla
EUWR
Lewis's Woodpecker
Melanerpes lewis
LEWO
Red-headed Woodpecker
Melanerpes erythrocephalus
RHWO
Golden-fronted Woodpecker
Melanerpes aurifrons
GFWO
Red-bellied Woodpecker
Melanerpes carolinus
RBWO
Yellow-bellied Sapsucker
Sphyrapicus varius
YBSA
Red-naped Sapsucker
Sphyrapicus nuchalis
RNSA
Lesser Spotted Woodpecker
Dendrocopos minor
Great Spotted Woodpecker
Dendrocopos major
GSWO
Ladder-backed Woodpecker
Picoides scalaris
LBWO
Downy Woodpecker
Picoides pubescens
DOWO
Hairy Woodpecker
Picoides villosus
HAWO
Red-cockaded Woodpecker
Picoides borealis
RCWO
American Three-toed Woodpecker
Picoides dorsalis
ATTW
Black-backed Woodpecker
Picoides arcticus
BBWO
Northern Flicker
Colaptes auratus
NOFL
Pileated Woodpecker
Dryocopus pileatus
PIWO
Eurasian Green Woodpecker
Picus viridis
Crested Caracara
Caracara cheriway
CRCA
Eurasian Kestrel
Falco tinnunculus
EUKE
American Kestrel
Falco sparverius
AMKE
Merlin
Falco columbarius
MERL
Eurasian Hobby
Falco subbuteo
EHOB
Aplomado Falcon
Falco femoralis
APFA
Gyrfalcon
Falco rusticolus
GYRF
Peregrine Falcon
Falco peregrinus
PEFA
Prairie Falcon
Falco mexicanus
PRFA
Cockatiel
Nymphicus hollandicus
Budgerigar
Melopsittacus undulatus
BUDG
Rosy-faced Lovebird
Agapornis roseicollis
Monk Parakeet
Myiopsitta monachus
MOPA
White-winged Parakeet
Brotogeris versicolurus
WWPA
Yellow-chevroned Parakeet
Brotogeris chiriri
Red-crowned Parrot
Amazona viridigenalis
RCPA
Nanday Parakeet
Aratinga nenday
Green Parakeet
Psittacara holochlorus
Mitred Parakeet
Psittacara mitratus
Red-masked Parakeet
Psittacara erythrogenys
White-eyed Parakeet
Psittacara leucophthalmus
Northern Beardless-Tyrannulet
Camptostoma imberbe
NBTY, NOBT
Olive-sided Flycatcher
Contopus cooperi
OSFL
Greater Pewee
Contopus pertinax
GRPE
Western Wood-Pewee
Contopus sordidulus
WEWP
Eastern Wood-Pewee
Contopus virens
EAWP
Yellow-bellied Flycatcher
Empidonax flaviventris
YBFL
Acadian Flycatcher
Empidonax virescens
ACFL
Alder Flycatcher
Empidonax alnorum
ALFL
Willow Flycatcher
Empidonax traillii
WIFL
Least Flycatcher
Empidonax minimus
LEFL
Hammond's Flycatcher
Empidonax hammondii
HAFL
Gray Flycatcher
Empidonax wrightii
GRFL
Dusky Flycatcher
Empidonax oberholseri
DUFL
Cordilleran Flycatcher
Empidonax occidentalis
COFL
Black Phoebe
Sayornis nigricans
BLPH
Eastern Phoebe
Sayornis phoebe
EAPH
Say's Phoebe
Sayornis saya
SAPH
Vermilion Flycatcher
Pyrocephalus rubinus
VEFL
Ash-throated Flycatcher
Myiarchus cinerascens
ATFL
Great Crested Flycatcher
Myiarchus crinitus
GCFL
Brown-crested Flycatcher
Myiarchus tyrannulus
BCFL
La Sagra's Flycatcher
Myiarchus sagrae
LSFL
Great Kiskadee
Pitangus sulphuratus
GKIS
Sulphur-bellied Flycatcher
Myiodynastes luteiventris
SBFL
Tropical Kingbird
Tyrannus melancholicus
TRKI
Couch's Kingbird
Tyrannus couchii
COKI
Cassin's Kingbird
Tyrannus vociferans
CAKI
Western Kingbird
Tyrannus verticalis
WEKI
Eastern Kingbird
Tyrannus tyrannus
EAKI
Gray Kingbird
Tyrannus dominicensis
GRAK
Scissor-tailed Flycatcher
Tyrannus forficatus
STFL
Fork-tailed Flycatcher
Tyrannus savana
FTFL
Rose-throated Becard
Pachyramphus aglaiae
RTBE
Red-backed Shrike
Lanius collurio
Loggerhead Shrike
Lanius ludovicianus
LOSH
Northern Shrike
Lanius excubitor
NSHR
White-eyed Vireo
Vireo griseus
WEVI
Thick-billed Vireo
Vireo crassirostris
TBVI
Bell's Vireo
Vireo bellii
BEVI
Black-capped Vireo
Vireo atricapilla
BCVI
Gray Vireo
Vireo vicinior
GRVI
Yellow-throated Vireo
Vireo flavifrons
YTVI
Plumbeous Vireo
Vireo plumbeus
PLVI
Blue-headed Vireo
Vireo solitarius
BHVI
Hutton's Vireo
Vireo huttoni
HUVI
Warbling Vireo
Vireo gilvus
WAVI
Philadelphia Vireo
Vireo philadelphicus
PHVI
Red-eyed Vireo
Vireo olivaceus
REVI
Yellow-green Vireo
Vireo flavoviridis
YGVI
Black-whiskered Vireo
Vireo altiloquus
BWVI
Dusky-capped Greenlet
Pachysylvia hypoxantha
Gray Jay
Perisoreus canadensis
GRAJ
Brown Jay
Psilorhinus morio
BRJA
Green Jay
Cyanocorax yncas
GREJ
Pinyon Jay
Gymnorhinus cyanocephalus
PIJA
Steller's Jay
Cyanocitta stelleri
STJA
Blue Jay
Cyanocitta cristata
BLJA
Florida Scrub-Jay
Aphelocoma coerulescens
FLSJ
Western Scrub-Jay
Aphelocoma californica
WESJ
Eurasian Jay
Garrulus glandarius
Black-billed Magpie
Pica hudsonia
BBMA
Clark's Nutcracker
Nucifraga columbiana
CLNU
Red-billed Chough
Pyrrhocorax pyrrhocorax
Eurasian Jackdaw
Corvus monedula
EUJA
Rook
Corvus frugilegus
American Crow
Corvus brachyrhynchos
AMCR
Tamaulipas Crow
Corvus imparatus
TACR
Fish Crow
Corvus ossifragus
FICR
Chihuahuan Raven
Corvus cryptoleucus
CHRA
Carrion Crow
Corvus corone
Hooded Crow
Corvus cornix
Common Raven
Corvus corax
CORA
Bearded Reedling
Panurus biarmicus
Greater Short-toed Lark
Calandrella brachydactyla
Sky Lark
Alauda arvensis
SKLA
Wood Lark
Lullula arborea
Horned Lark
Eremophila alpestris
HOLA
Northern Rough-winged Swallow
Stelgidopteryx serripennis
NRWS
Purple Martin
Progne subis
PUMA
Tree Swallow
Tachycineta bicolor
TRES
Violet-green Swallow
Tachycineta thalassina
VGSW
Bank Swallow
Riparia riparia
BANS
Barn Swallow
Hirundo rustica
BARS
Red-rumped Swallow
Cecropis daurica
Cliff Swallow
Petrochelidon pyrrhonota
CLSW
Cave Swallow
Petrochelidon fulva
CASW
Common House-Martin
Delichon urbicum
COHM
Coal Tit
Periparus ater
Crested Tit
Lophophanes cristatus
Marsh Tit
Poecile palustris
Willow Tit
Poecile montanus
Carolina Chickadee
Poecile carolinensis
CACH
Black-capped Chickadee
Poecile atricapillus
BCCH
Boreal Chickadee
Poecile hudsonicus
BOCH
Eurasian Blue Tit
Cyanistes caeruleus
Tufted Titmouse
Baeolophus bicolor
ETTI,TUTI, TUTI
Black-crested Titmouse
Baeolophus atricristatus
BCTI
Great Tit
Parus major
Verdin
Auriparus flaviceps
VERD
Long-tailed Tit
Aegithalos caudatus
Bushtit
Psaltriparus minimus
BUSH
Eurasian Nuthatch
Sitta europaea
Red-breasted Nuthatch
Sitta canadensis
RBNU
White-breasted Nuthatch
Sitta carolinensis
WBNU
Pygmy Nuthatch
Sitta pygmaea
PYNU
Brown-headed Nuthatch
Sitta pusilla
BHNU
Eurasian Treecreeper
Certhia familiaris
Brown Creeper
Certhia americana
BRCR
Rock Wren
Salpinctes obsoletus
ROWR
Canyon Wren
Catherpes mexicanus
CANW
House Wren
Troglodytes aedon
HOWR
Winter Wren
Troglodytes hiemalis
WIWR
Sedge Wren
Cistothorus platensis
SEWR
Marsh Wren
Cistothorus palustris
MAWR
Carolina Wren
Thryothorus ludovicianus
CARW
Bewick's Wren
Thryomanes bewickii
BEWR
Cactus Wren
Campylorhynchus brunneicapillus
CACW
Blue-gray Gnatcatcher
Polioptila caerulea
BGGN
Black-tailed Gnatcatcher
Polioptila melanura
BTGN
White-throated Dipper
Cinclus cinclus
American Dipper
Cinclus mexicanus
AMDI
Red-whiskered Bulbul
Pycnonotus jocosus
RWBU
Golden-crowned Kinglet
Regulus satrapa
GCKI
Ruby-crowned Kinglet
Regulus calendula
RCKI
Goldcrest
Regulus regulus
Firecrest
Regulus ignicapilla
Cetti's Warbler
Cettia cetti
Willow Warbler
Phylloscopus trochilus
WILW
Wood Warbler
Phylloscopus sibilatrix
WOWA
Yellow-browed Warbler
Phylloscopus inornatus
YBWA
Melodious Warbler
Hippolais polyglotta
Sedge Warbler
Acrocephalus schoenobaenus
SEWA
Marsh Warbler
Acrocephalus palustris
Eurasian Reed-Warbler
Acrocephalus scirpaceus
Common Grasshopper-Warbler
Locustella naevia
Eurasian Blackcap
Sylvia atricapilla
Garden Warbler
Sylvia borin
Lesser Whitethroat
Sylvia curruca
LEWH
Greater Whitethroat
Sylvia communis
Dartford Warbler
Sylvia undata
Spotted Flycatcher
Muscicapa striata
SPFL
European Robin
Erithacus rubecula
White-throated Robin
Irania gutturalis
Common Nightingale
Luscinia megarhynchos
Red-breasted Flycatcher
Ficedula parva
European Pied Flycatcher
Ficedula hypoleuca
Common Redstart
Phoenicurus phoenicurus
Black Redstart
Phoenicurus ochruros
Whinchat
Saxicola rubetra
European Stonechat
Saxicola rubicola
Northern Wheatear
Oenanthe oenanthe
NOWH
Eastern Bluebird
Sialia sialis
EABL
Mountain Bluebird
Sialia currucoides
MOBL
Townsend's Solitaire
Myadestes townsendi
TOSO
Veery
Catharus fuscescens
VEER
Gray-cheeked Thrush
Catharus minimus
GCTH
Bicknell's Thrush
Catharus bicknelli
BITH
Swainson's Thrush
Catharus ustulatus
SWTH
Hermit Thrush
Catharus guttatus
HETH
Wood Thrush
Hylocichla mustelina
WOTH
Ring Ouzel
Turdus torquatus
Eurasian Blackbird
Turdus merula
EUBL
Fieldfare
Turdus pilaris
FIEL
Redwing
Turdus iliacus
REDW
Song Thrush
Turdus philomelos
SOTH
Mistle Thrush
Turdus viscivorus
Clay-colored Thrush
Turdus grayi
CCRO,CCTH, CCTH
American Robin
Turdus migratorius
AMRO
Varied Thrush
Ixoreus naevius
VATH
Gray Catbird
Dumetella carolinensis
GRCA
Curve-billed Thrasher
Toxostoma curvirostre
CBTH
Brown Thrasher
Toxostoma rufum
BRTH
Long-billed Thrasher
Toxostoma longirostre
LBTH
Bahama Mockingbird
Mimus gundlachii
BAMO
Northern Mockingbird
Mimus polyglottos
NOMO
European Starling
Sturnus vulgaris
EUST
Dunnock
Prunella modularis
Western Yellow Wagtail
Motacilla flava
Gray Wagtail
Motacilla cinerea
GRAW
White Wagtail
Motacilla alba
WHWA
Meadow Pipit
Anthus pratensis
Tree Pipit
Anthus trivialis
TRPI
Water Pipit
Anthus spinoletta
Rock Pipit
Anthus petrosus
American Pipit
Anthus rubescens
AMPI
Sprague's Pipit
Anthus spragueii
SPPI
Bohemian Waxwing
Bombycilla garrulus
BOWA
Cedar Waxwing
Bombycilla cedrorum
CEWA, CEDW
Phainopepla
Phainopepla nitens
PHAI
Lapland Longspur
Calcarius lapponicus
LALO
Chestnut-collared Longspur
Calcarius ornatus
CCLO
Smith's Longspur
Calcarius pictus
SMLO
McCown's Longspur
Rhynchophanes mccownii
MCLO
Snow Bunting
Plectrophenax nivalis
SNBU
Ovenbird
Seiurus aurocapilla
OVEN
Worm-eating Warbler
Helmitheros vermivorum
WEWA
Louisiana Waterthrush
Parkesia motacilla
LOWA
Northern Waterthrush
Parkesia noveboracensis
NOWA
Golden-winged Warbler
Vermivora chrysoptera
GWWA
Blue-winged Warbler
Vermivora cyanoptera
BWWA
Black-and-white Warbler
Mniotilta varia
BAWW
Prothonotary Warbler
Protonotaria citrea
PROW
Swainson's Warbler
Limnothlypis swainsonii
SWWA
Tennessee Warbler
Oreothlypis peregrina
TEWA
Orange-crowned Warbler
Oreothlypis celata
OCWA
Nashville Warbler
Oreothlypis ruficapilla
NAWA
Virginia's Warbler
Oreothlypis virginiae
VIWA
Connecticut Warbler
Oporornis agilis
COWA, CONW
Gray-crowned Yellowthroat
Geothlypis poliocephala
GCYE
MacGillivray's Warbler
Geothlypis tolmiei
MGWA
Mourning Warbler
Geothlypis philadelphia
MOWA
Kentucky Warbler
Geothlypis formosa
KEWA
Common Yellowthroat
Geothlypis trichas
COYE
Hooded Warbler
Setophaga citrina
HOWA
American Redstart
Setophaga ruticilla
AMRE
Kirtland's Warbler
Setophaga kirtlandii
KIWA
Cape May Warbler
Setophaga tigrina
CMWA
Cerulean Warbler
Setophaga cerulea
CERW
Northern Parula
Setophaga americana
NOPA
Tropical Parula
Setophaga pitiayumi
TRPA
Magnolia Warbler
Setophaga magnolia
MAWA
Bay-breasted Warbler
Setophaga castanea
BBWA
Blackburnian Warbler
Setophaga fusca
BLBW
Yellow Warbler
Setophaga petechia
YWAR, YEWA
Chestnut-sided Warbler
Setophaga pensylvanica
CSWA
Blackpoll Warbler
Setophaga striata
BLPW
Black-throated Blue Warbler
Setophaga caerulescens
BTBW
Palm Warbler
Setophaga palmarum
WPWA,YPWA, PAWA
Pine Warbler
Setophaga pinus
PIWA
Yellow-rumped Warbler
Setophaga coronata
MYWA,AUWA, YRWA
Yellow-throated Warbler
Setophaga dominica
YTWA
Prairie Warbler
Setophaga discolor
PRAW
Black-throated Gray Warbler
Setophaga nigrescens
BGWA, BTYW
Townsend's Warbler
Setophaga townsendi
TOWA
Hermit Warbler
Setophaga occidentalis
HEWA
Golden-cheeked Warbler
Setophaga chrysoparia
GCWA
Black-throated Green Warbler
Setophaga virens
BTGW, BTNW
Rufous-capped Warbler
Basileuterus rufifrons
RCWA
Golden-crowned Warbler
Basileuterus culicivorus
GDCW, GOLW, GCRW
Canada Warbler
Cardellina canadensis
CAWA
Wilson's Warbler
Cardellina pusilla
WIWA
Painted Redstart
Myioborus pictus
PARE
Yellow-breasted Chat
Icteria virens
YBCH
White-collared Seedeater
Sporophila torqueola
WCSE
Bananaquit
Coereba flaveola
BANA
Yellow-faced Grassquit
Tiaris olivaceus
YFGR
Black-faced Grassquit
Tiaris bicolor
BFGR
Western Spindalis
Spindalis zena
WESP
Botteri's Sparrow
Peucaea botterii
BOSP
Cassin's Sparrow
Peucaea cassinii
CASP
Bachman's Sparrow
Peucaea aestivalis
BACS
Grasshopper Sparrow
Ammodramus savannarum
GRSP
Baird's Sparrow
Ammodramus bairdii
BAIS
Henslow's Sparrow
Ammodramus henslowii
HESP
Le Conte's Sparrow
Ammodramus leconteii
LCSP
Nelson's Sparrow
Ammodramus nelsoni
NSTS, NESP
Saltmarsh Sparrow
Ammodramus caudacutus
SSTS, SALS
Seaside Sparrow
Ammodramus maritimus
SESP
Olive Sparrow
Arremonops rufivirgatus
OLSP
American Tree Sparrow
Spizelloides arborea
ATSP
Chipping Sparrow
Spizella passerina
CHSP
Clay-colored Sparrow
Spizella pallida
CCSP
Field Sparrow
Spizella pusilla
FISP
Brewer's Sparrow
Spizella breweri
BRSP
Black-throated Sparrow
Amphispiza bilineata
BTSP
Lark Sparrow
Chondestes grammacus
LASP
Lark Bunting
Calamospiza melanocorys
LARB
Fox Sparrow
Passerella iliaca
FOSP
Dark-eyed Junco
Junco hyemalis
SCJU,ORJU,PSJU,GHJU, DEJU
Dark-eyed Junco (Oregon)
Junco hyemalis [oreganus Group]
Dark-eyed Junco (Pink-sided)
Junco hyemalis mearnsi
Dark-eyed Junco (Gray-headed)
Junco hyemalis caniceps
White-crowned Sparrow
Zonotrichia leucophrys
WCSP
Golden-crowned Sparrow
Zonotrichia atricapilla
GCSP
Harris's Sparrow
Zonotrichia querula
HASP
White-throated Sparrow
Zonotrichia albicollis
WTSP
Vesper Sparrow
Pooecetes gramineus
VESP
Savannah Sparrow
Passerculus sandwichensis
SAVS
Song Sparrow
Melospiza melodia
SOSP
Lincoln's Sparrow
Melospiza lincolnii
LISP
Swamp Sparrow
Melospiza georgiana
SWSP
Canyon Towhee
Melozone fusca
CATO, CANT
Rufous-crowned Sparrow
Aimophila ruficeps
RCSP
Green-tailed Towhee
Pipilo chlorurus
GTTO
Spotted Towhee
Pipilo maculatus
SPTO
Eastern Towhee
Pipilo erythrophthalmus
EATO
Yellowhammer
Emberiza citrinella
Cirl Bunting
Emberiza cirlus
Reed Bunting
Emberiza schoeniclus
REBU
Corn Bunting
Emberiza calandra
Hepatic Tanager
Piranga flava
HETA
Summer Tanager
Piranga rubra
SUTA
Scarlet Tanager
Piranga olivacea
SCTA
Western Tanager
Piranga ludoviciana
WETA
Crimson-collared Grosbeak
Rhodothraupis celaeno
CCGR
Northern Cardinal
Cardinalis cardinalis
NOCA
Pyrrhuloxia
Cardinalis sinuatus
PYRR
Rose-breasted Grosbeak
Pheucticus ludovicianus
RBGR
Black-headed Grosbeak
Pheucticus melanocephalus
BHGR
Blue Bunting
Cyanocompsa parellina
BLBU
Blue Grosbeak
Passerina caerulea
BLGR
Lazuli Bunting
Passerina amoena
LAZB
Indigo Bunting
Passerina cyanea
INBU
Varied Bunting
Passerina versicolor
VABU
Painted Bunting
Passerina ciris
PABU
Dickcissel
Spiza americana
DICK
Bobolink
Dolichonyx oryzivorus
BOBO
Red-winged Blackbird
Agelaius phoeniceus
RWBL
Western Meadowlark
Sturnella neglecta
WEME
Eastern Meadowlark
Sturnella magna
EAME
Yellow-headed Blackbird
Xanthocephalus xanthocephalus
YHBL
Rusty Blackbird
Euphagus carolinus
RUBL
Brewer's Blackbird
Euphagus cyanocephalus
BRBL
Common Grackle
Quiscalus quiscula
COGR
Boat-tailed Grackle
Quiscalus major
BTGR
Great-tailed Grackle
Quiscalus mexicanus
GTGR
Shiny Cowbird
Molothrus bonariensis
SHCO
Bronzed Cowbird
Molothrus aeneus
BROC
Brown-headed Cowbird
Molothrus ater
BHCO
Orchard Oriole
Icterus spurius
OROR
Hooded Oriole
Icterus cucullatus
HOOR
Bullock's Oriole
Icterus bullockii
BUOR
Spot-breasted Oriole
Icterus pectoralis
SBOR
Altamira Oriole
Icterus gularis
ALOR
Audubon's Oriole
Icterus graduacauda
AUOR
Baltimore Oriole
Icterus galbula
BAOR
Scott's Oriole
Icterus parisorum
SCOR
Common Chaffinch
Fringilla coelebs
COCH
Brambling
Fringilla montifringilla
BRAM
Gray-crowned Rosy-Finch
Leucosticte tephrocotis
GCRF
Pine Grosbeak
Pinicola enucleator
PIGR
Eurasian Bullfinch
Pyrrhula pyrrhula
EUBU
House Finch
Haemorhous mexicanus
HOFI
Purple Finch
Haemorhous purpureus
PUFI
Cassin's Finch
Haemorhous cassinii
CAFI
Common Rosefinch
Carpodacus erythrinus
CORO
European Greenfinch
Chloris chloris
Parrot Crossbill
Loxia pytyopsittacus
Scottish Crossbill
Loxia scotica
Red Crossbill
Loxia curvirostra
RECR
White-winged Crossbill
Loxia leucoptera
WWCR
Common Redpoll
Acanthis flammea
CORE
Hoary Redpoll
Acanthis hornemanni
HORE
Eurasian Siskin
Spinus spinus
EUSI
Pine Siskin
Spinus pinus
PISI
Lesser Goldfinch
Spinus psaltria
LEGO
American Goldfinch
Spinus tristis
AMGO
European Goldfinch
Carduelis carduelis
EUGO
Twite
Carduelis flavirostris
Eurasian Linnet
Carduelis cannabina
Evening Grosbeak
Coccothraustes vespertinus
EVGR
House Sparrow
Passer domesticus
HOSP
Eurasian Tree Sparrow
Passer montanus
ETSP