Basic information: Relative abundance maps

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Red-throated loon Gavia stellata
Pacific loon Gavia pacifica
Common loon Gavia immer
Pied-billed grebe Podilymbus podiceps
Horned grebe Podiceps auritus
Red-necked grebe Podiceps grisegena
Eared grebe Podiceps nigricollis
Northern fulmar Fulmarus glacialis
Northern gannet Morus bassanus
American white pelican Pelecanus erythrorhynchos
Brown pelican Pelecanus occidentalis
Great cormorant Phalacrocorax carbo
Double-crest. Cormorant Phalacrocorax auritus
Olivaceous cormorant Phalacrocorax brasilianus
Brandt's cormorant Phalacrocorax penicillatus
Pelagic cormorant Phalacrocorax pelagicus
Anhinga Anhinga anhinga
Magnif. frigatebird Fregata magnificens
American bittern Botaurus lentiginosus
Least bittern Ixobrychus exilis
Great blue heron Ardea herodias
Great egret Casmerodius albus
Snowy egret Egretta thula
Little blue heron Egretta caerulea
Tricolored heron Egretta tricolor
Reddish egret Egretta rufescens
Cattle egret Bubulcus ibis
Green heron Butorides virescens
Black-crn. night-heron Nycticorax nycticorax
Yellow-crn. night-heron Nycticorax violacus
White ibis Eudocimus albus
Glossy ibis Plegadis falcinellus
White-faced ibis Plegadis chihi
Roseate spoonbill Ajaia ajaja
Wood stork Mycteria americana
Fulvous whistling-duck Dendrocygna bicolor
Tundra swan Cygnus columbianus
Trumpeter swan Cygnus buccinator
Mute swan Cygnus olor
Gr. white-fronted goose Anser albifrons
Snow goose Anser caerulescens
Ross' goose Anser rossii
Atlantic brant Branta bernicla
Canada goose Branta canadensis
Wood duck Aix sponsa
Green-winged teal Anas crecca
American black duck Anas rubripes
Mottled duck Anas fulvigula
Mallard Anas platyrhynchos
Northern pintail Anas acuta
Blue-winged teal Anas discors
Cinnamon teal Anas cyanoptera
Northern shoveler Anas clypeata
Gadwall Anas strepera
Eurasian wigeon Anas penelope
American wigeon Anas americana
Canvasback Aythya valisineria
Redhead Aythya americana
Ring-necked duck Aythya collaris
Greater scaup Aythya marila
Lesser scaup Aythya affinis
Common eider Somateria mollissima
King eider Somateria spectabilis
Harlequin duck Histrionicus histrionicus
Oldsquaw Clangula hyemalis
Black scoter Melanitta nigra
Surf scoter Melanitta perspicillata
White-winged scoter Melanitta deglandi
Common goldeneye Bucephala clangula
Barrow's goldeneye Bucephala islandica
Bufflehead Bucephala albeola
Hooded merganser Lophodytes cucullatus
Common merganser Mergus merganser
Red-breasted merganser Mergus serrator
Ruddy duck Oxyura jamaicensis
Black vulture Coragyps atratus
Turkey vulture Cathartes aura
Osprey Pandion haliaetus
White-tailed kite Elanus leucurus
Bald eagle Haliaeetus leucocephalus
Northern harrier Circus cyaneus
Sharp-shinned hawk Accipiter striatus
Cooper's hawk Accipiter cooperii
Northern goshawk Accipiter gentilis
Harris' hawk Parabuteo unicinctus
Red-shouldered hawk Buteo lineatus
Broad-winged hawk Buteo platypterus
Swainson's hawk Buteo swainsoni
Red-tailed hawk Buteo jamaicensis
Ferruginous hawk Buteo regalis
Rough-legged hawk Buteo lagopus
Golden eagle Aquila chrysaetos
Crested caracara Caracara plancus
American kestrel Falco sparverius
Merlin Falco columbarius
Peregrine falcon Falco peregrinus
Gyrfalcon Falco rusticolis
Prairie falcon Falco mexicanus
Gray partridge Perdix perdix
Chukar Alectoris chukar
Ring-necked pheasant Phasianus colchicus
Spruce grouse Dendragapus canadensis
Blue grouse Dendragapus obscurus
Ruffed grouse Bonasa umbellus
Greater prairie-chicken Tympanuchus cupido
Sharp-tailed grouse Tympanuchus phasianellus
Wild turkey Meleagris gallopavo
Northern bobwhite Colinus virginianus
Scaled quail Callipepla squamata
Gambel's quail Callipepla gambelii
California quail Callipepla californica
Mountain quail Oreortyx pictus
Black rail Laterallus jamaicensis
Clapper rail Rallus longirostris
King rail Rallus elegans
Virginia rail Rallus limicola
Sora Porzana carolina
Purple gallinule Porphyrula martinica
Common moorhen Gallinula chloropus
American coot Fulica americana
Limpkin Aramus guarauna
Sandhill crane Grus canadensis
Black-bellied plover Pluvalis squatarola
Lesser golden plover Pluvalis dominica
Snowy plover Charadrius nivosus
Wilson's plover Charadrius wilsonia
Semipalmated plover Charadrius semipalmatus
Piping plover Charadrius melodus
Killdeer Charadrius vociferus
American oystercatcher Haematopus palliatus
Am. Black oystercatcher Haematopus bachmani
Black-necked stilt Himantopus mexicanus
American avocet Recurvirostra americana
Greater yellowlegs Tringa melanoleuca
Lesser yellowlegs Tringa flavipes
Solitary sandpiper Tringa solitaria
Willet Catoptrophorus semipalmatus
Spotted sandpiper Actitis macularia
Whimbrel Numenius hudsonicus
Long-billed curlew Numenius americanus
Marbled godwit Limosa fedoa
Ruddy turnstone Arenaria interpres
Black turnstone Arenaria melanocephala
Surfbird Aphriza virgata
Red knot Calidris canutus
Sanderling Calidris alba
Semipalmated sandpiper Calidris pusilla
Western sandpiper Calidris mauri
Least sandpiper Calidris minutilla
Pectoral sandpiper Calidris melanotos
Purple sandpiper Calidris maritima
Dunlin Calidris alpina
Stilt sandpiper Micropalama himantopus
Short-billed dowitcher Limnodromus griseus
Long-billed dowitcher Limnodromus scolopaceus
Common snipe Gallinago gallinago
American woodcock Scolopax minor
Wilson's phalarope Phalaropus tricolor
Red phalarope Phalaropus fulicaria
Pomarine jaeger Stercorarius pomarinus
Parasitic jaeger Stercorarius parasiticus
Laughing gull Larus atricilla
Franklin's gull Larus pipixcan
Little gull Larus minutus
Com. black-headed gull Larus ridibundus
Bonaparte's gull Larus philadelphia
Heermann's gull Larus heermanni
Mew gull Larus canus
Ring-billed gull Larus delawarensis
California gull Larus californicus
Herring gull Larus argentatus
Iceland gull Larus glaucoides
Lr. black-backed gull Larus fuscus
Western gull Larus occidentalis
Glaucous-winged gull Larus glaucescens
Glaucous gull Larus hyperboreus
Great black-backed gull Larus marinus
Black-legged kittiwake Rissa tridactyla
Gull-billed tern Sterna nilotica
Caspian tern Sterna caspia
Royal tern Sterna maxima
Sandwich tern Sterna sandvicensis
Common tern Sterna hirundo
Forster's tern Sterna forsteri
Black skimmer Rhynchops niger
Dovekie Alle alle
Common murre Uria aalge
Thick-billed murre Uria lomvia
Razorbill Alca torda
Black guillemot Cepphus grylle
Pigeon guillemot Cepphus columba
Marbled murrelet Brachyramphus marmoratus
Ancient murrelet Synthliboramphus antiquus
Cassin's auklet Ptychoramphus aleuticus
Rhinoceros auklet Cerorhinca monocerata
Band-tailed pigeon Columba fasciata
Ringed turtle dove Streptopelia risoria
White-winged dove Zenaida asiatica
Mourning dove Zenaida macroura
Inca dove Columbina inca
Common ground dove Columbina passerina
Yellow-billed cuckoo Coccyzus americanus
Greater roadrunner Geococcyx californianus
Groove-billed ani Crotophaga sulcirostris
Common barn-owl Tyto alba
Eastern screech-owl Otus asio
Western screech-owl Otus kennicottii
Great horned owl Bubo virginianus
Snowy owl Nyctea scandiaca
Northern hawk-owl Surnia ulula
Northern pygmy-owl Glaucidium gnoma
Burrowing owl Speotyto cunicularia
Spotted owl Strix occidentalis
Barred owl Strix varia
Great gray owl Strix nebulosa
Long-eared owl Asio otus
Short-eared owl Asio flammeus
Northern saw-whet owl Aegolius acadicus
Common poorwill Phalaenoptilus nuttallii
Chuck-will's-widow Caprimulgus carolinensis
Whip-poor-will Caprimulgus vociferus
White-throated swift Aeronautes saxatalis
Ruby-thr. hummingbird Archilochus colubris
Black-chin. hummingbird Archilochus alexandri
Anna's hummingbird Calypte anna
Costa's hummingbird Calypte costae
Rufous hummingbird Selasphorus rufus
Belted kingfisher Ceryle alcyon
Lewis' woodpecker Melanerpes lewis
Red-headed woodpecker Melanerpes erythrocephalus
Acorn woodpecker Melanerpes formicivorus
Golden-fronted woodpkr Melanerpes aurifrons
Red-bellied woodpecker Melanerpes carolinus
Williamson's sapsucker Sphyrapicus thyroideus
Ladder-back. woodpecker Picoides scalaris
Nuttall's woodpecker Picoides nuttallii
Downy woodpecker Picoides pubescens
Hairy woodpecker Picoides villosus
Red-cockaded woodpecker Picoides borealis
White-headed woodpecker Picoides albolarvatus
Three-toed woodpecker Picoides tridactylus
Black-backed woodpecker Picoides arcticus
Northern flicker Colaptes auratus
Pileated woodpecker Dryocopus pileatus
Gray flycatcher Empidonax wrightii
Black phoebe Sayornis nigricans
Eastern phoebe Sayornis phoebe
Say's phoebe Sayornis saya
Vermilion flycatcher Pyrocephalus rubinus
Ash-throated flycatcher Myiarchus cinerascens
Grt. crested flycatcher Myiarchus crinitus
Cassin's kingbird Tyrannus vociferans
Western kingbird Tyrannus verticalis
Eastern kingbird Tyrannus tyrannus
Scissor-tail flycatcher Tyrannus forficatus
Horned lark Eremophila alpestris
Tree swallow Tachycineta bicolor
Violet-green swallow Tachycineta thalassina
N. Rough-winged swallow Stelgidopteryx serripennis
Barn swallow Hirundo rustica
Gray jay Perisoreus canadensis
Steller's jay Cyanocitta stelleri
Blue jay Cyanocitta cristata
Scrub jay Aphelocoma coerulescens
Pinyon jay Gymnorhinus cyanocephalus
Clark's nutcracker Nucifraga columbiana
Black-billed magpie Pica pica
Yellow-billed magpie Pica nuttalli
American crow Corvus brachyrhynchos
Northwestern crow Corvus caurinus
Fish crow Corvus ossifragus
Chihuahuan raven Corvus cryptoleucus
Common raven Corvus corax
Black-capped chickadee Parus atricapillus
Carolina chickadee Parus carolinensis
Mountain chickadee Parus gambeli
Boreal chickadee Parus hudsonicus
Chestnut-bkd chickadee Parus rufescens
Plain titmouse Parus inornatus
Tufted titmouse Parus bicolor
Verdin Auriparus flaviceps
Bushtit Psaltriparus minimus
Red-breasted nuthatch Sitta canadensis
White-breasted nuthatch Sitta carolinensis
Pygmy nuthatch Sitta pygmaea
Brown-headed nuthatch Sitta pusilla
Brown creeper Certhia americana
Cactus wren Campylorhynchus brunneicapi
Rock wren Salpinctes obsoletus
Canyon wren Catherpes mexicanus
Carolina wren Thryothorus ludovicianus
Bewick's wren Thryomanes bewickii
House wren Troglodytes aedon
Winter wren Troglodytes troglodytes
Sedge wren Cistothorus platensis
Marsh wren Cistothorus palustris
American dipper Cinclus mexicanus
Golden-crowned kinglet Regulus satrapa
Ruby-crowned kinglet Regulus calendula
Blue-gray gnatcatcher Polioptila caerulea
Black-tail gnatcatcher Polioptila melanura
Eastern bluebird Sialia sialis
Western bluebird Sialia mexicana
Mountain bluebird Sialia currucoides
Townsend's solitaire Myadestes townsendi
Gray-cheeked thrush Catharus minimus
Swainson's thrush Catharus ustulatus
Hermit thrush Catharus guttatus
Wood thrush Hylocichla mustelina
American robin Turdus migratorius
Varied thrush Ixoreus naevius
Wrentit Chamaea fasciata
Gray catbird Dumetella carolinensis
Northern mockingbird Mimus polyglottos
Sage thrasher Oreoscoptes montanus
Brown thrasher Toxostoma rufum
Curve-billed thrasher Toxostoma curvirostre
California thrasher Toxostoma redivivum
Crissal thrasher Toxostoma crissale
Water pipit Anthus rubescens
Sprague's pipit Anthus spragueii
Bohemian waxwing Bombycilla garrulus
Cedar waxwing Bombycilla cedrorum
Phainopepla Phainopepla nitens
Northern shrike Lanius excubitor
Loggerhead shrike Lanius ludovicianus
European starling Sturnus vulgaris
White-eyed vireo Vireo griseus
Solitary vireo Vireo solitarius
Yellow-throated vireo Vireo flavifrons
Hutton's vireo Vireo huttoni
Tennessee warbler Vermivora peregrina
Orange-crowned warbler Vermivora celata
Nashville warbler Vermivora ruficapilla
Northern parula Parula americana
Yellow warbler Dendroica petechia
Magnolia warbler Dendroica magnolia
Cape May warbler Dendroica tigrina
Black-thr. blue warbler Dendroica caerulescens
Black-thr. gray warbler Dendroica nigrescens
Townsend's warbler Dendroica townsendi
Hermit warbler Dendroica occidentalis
Black-th. green warbler Dendroica virens
Yellow-throated warbler Dendroica dominica
Pine warbler Dendroica pinus
Prairie warbler Dendroica discolor
Palm warbler Dendroica palmarum
Bay-breasted warbler Dendroica castanea
Black-&-white warbler Mniotilta varia
American redstart Setophaga ruticilla
Ovenbird Seiurus aurocapillus
Northern waterthrush Seiurus noveboracensis
Common yellowthroat Geothlypis trichas
Wilson's warbler Wilsonia pusilla
Yellow-breasted chat Icteria virens
Summer tanager Piranga rubra
Western tanager Piranga ludoviciana
Northern cardinal Cardinalis cardinalis
Pyrrhuloxia Cardinalis sinuatus
Rose-breasted grosbeak Pheucticus ludovicianus
Black-headed grosbeak Pheucticus melanocephalus
Blue grosbeak Guiraca caerulea
Indigo bunting Passerina cyanea
Painted bunting Passerina ciris
Dickcissel Spiza americana
Green-tailed towhee Pipilo chlorurus
Rufous-sided towhee Pipilo erythrophthalmus
Bachman's sparrow Aimophila aestivalis
Cassin's sparrow Aimophila cassinii
Rufous-crowned sparrow Aimophila ruficeps
American tree sparrow Spizella arborea
Chipping sparrow Spizella passerina
Clay-colored sparrow Spizella pallida
Brewer's sparrow Spizella breweri
Field sparrow Spizella pusilla
Black-chinned sparrow Spizella atrogularis
Vesper sparrow Pooecetes gramineus
Lark sparrow Chondestes grammacus
Black-throated sparrow Amphispiza bilineata
Sage sparrow Amphispiza belli
Lark bunting Calamospiza melanocorys
Savannah sparrow Passerculus sandwichensis
Grasshopper sparrow Ammodramus savannarum
Henslow's sparrow Ammodramus henslowii
Le conte's sparrow Ammodramus leconteii
Sharp-tailed sparrow Ammodramus caudacutus
Seaside sparrow Ammodramus maritimus
Fox sparrow Passerella iliaca
Song sparrow Melospiza melodia
Lincoln's sparrow Melospiza lincolnii
Swamp sparrow Melospiza georgiana
White-throated sparrow Zonotrichia albicollis
Golden-crowned sparrow Zonotrichia atricapilla
White-crowned sparrow Zonotrichia leucophrys
Harris' sparrow Zonotrichia querula
Slate-colored junco Junco hyemalis
McCown's longspur Calcarius mccownii
Lapland longspur Calcarius lapponicus
Chestnut-col. longspur Calcarius ornatus
Snow bunting Plectrophenax nivalis
Red-winged blackbird Agelaius phoeniceus
Tricolored blackbird Agelaius tricolor
Eastern meadowlark Sturnella magna
Western meadowlark Sturnella neglecta
Yellow-head. blackbird Xanthocephalus xanthocephalus
Rusty blackbird Euphagus carolinus
Brewer's blackbird Euphagus cyanocephalus
Common grackle Quiscalus quiscula
Bronzed cowbird Molothrus aeneus
Brown-headed cowbird Molothrus ater
Hooded oriole Icterus cucullatus
Baltimore oriole Icterus galbula
Rosy finch Leucosticte tephrocotis
Pine grosbeak Pinicola enucleator
Purple finch Carpodacus purpureus
Cassin's finch Carpodacus cassinii
House finch Carpodacus mexicanus
Red crossbill Loxia curvirostra
White-winged crossbill Loxia leucoptera
Common redpoll Carduelis flammea
Hoary redpoll Carduelis exilipes
Pine siskin Carduelis pinus
Lesser goldfinch Carduelis psaltria
Lawrence's goldfinch Carduelis lawrencei
American goldfinch Carduelis tristis
Evening grosbeak Coccothraustes vespertinus
House sparrow Passer domesticus