Population Tends - Estimates of Bird Population Change over Time

Information about trend analysis

Click on the Species of Interest:

• 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