Washington Breeding Birds
247 species recorded across 114 survey routes, 1968 to 2024. Browse by family or guild below.
Washington Bird Population TrendsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →
Black-crowned Night Heron has collapsed in Washington: down 95% on the route-weighted index since 1975.
Eurasian Collared-Dove has surged in Washington: up 31× on the route-weighted index since 2009.
Western Gull has collapsed in Washington: down 94% on the route-weighted index since 1971.
Lark Sparrow has surged in Washington: up 939% on the route-weighted index since 1970.
Black Swift has collapsed in Washington: down 92% on the route-weighted index since 1970.
Nashville Warbler has surged in Washington: up 928% on the route-weighted index since 1970.
How Bird Guilds Are Faring in WashingtonGuild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology →
Washington Bird Survey Routes
Browse Washington Birds By FamilyTrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
Each species links to its trend in Washington.
Hawks, Eagles & Kites Accipitridae
Bushtits Aegithalidae
Larks Alaudidae
Kingfishers Alcedinidae
Ducks, Geese & Waterfowl Anatidae
Herons, Egrets & Bitterns Ardeidae
Waxwings Bombycillidae
Cardinals & Grosbeaks Cardinalidae
New World Vultures Cathartidae
Treecreepers Certhiidae
Plovers & Lapwings Charadriidae
Dippers Cinclidae
Pigeons & Doves Columbidae
Crows, Jays & Magpies Corvidae
Finches Fringillidae
Loons Gaviidae
Swallows & Martins Hirundinidae
Blackbirds & Orioles Icteridae
Shrikes Laniidae
Gulls, Terns & Skimmers Laridae
New World Quail Odontophoridae
Osprey Pandionidae
Chickadees & Titmice Paridae
Wood-Warblers Parulidae
New World Sparrows Passerellidae
Old World Sparrows Passeridae
Pelicans Pelecanidae
Cormorants Phalacrocoracidae
Pheasants, Grouse & Turkeys Phasianidae
Woodpeckers Picidae
Avocets & Stilts Recurvirostridae
Sandpipers & Allies Scolopacidae
Owls Strigidae
Starlings & Mynas Sturnidae
Hummingbirds Trochilidae
Wrens Troglodytidae
Thrushes Turdidae
Tyrant Flycatchers Tyrannidae
Barn-Owls Tytonidae
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.