BirdAnalyst
State · BBS 2026 Release · 1966–2025

Oregon Breeding Birds

251 species recorded across 145 survey routes, 1968 to 2025. Browse by family or guild below.

Oregon 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 →

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Western Gull has collapsed in Oregon: down 98% on the route-weighted index since 1972.

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Eurasian Collared-Dove has surged in Oregon: up 91× on the route-weighted index since 2008.

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Black Tern has collapsed in Oregon: down 94% on the route-weighted index since 1972.

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

White-faced Ibis has surged in Oregon: up 28× on the route-weighted index since 1979.

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Western Grebe has collapsed in Oregon: down 93% on the route-weighted index since 1988.

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Osprey has surged in Oregon: up 764% on the route-weighted index since 1971.

How Bird Guilds Are Faring in OregonGuild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology →

-56%

Shorebirds

8 species
-55%

Game birds

10 species
-38%

Wetland birds

31 species
-34%

Generalists

11 species
-34%

Aerial insectivores

22 species
-22%

Forest birds

81 species
-18%

Grassland birds

8 species
-7%

Birds of prey

23 species
+14%

Arid-land birds

5 species
+59%

Waterfowl

19 species

Oregon Bird Survey Routes

Browse Oregon 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 Oregon.

Hawks, Eagles & Kites Accipitridae

American Goshawk -62%Bald Eagle +971%Cooper's Hawk -27%Ferruginous Hawk +69%Golden Eagle +1%Northern Harrier +247%Red-shouldered Hawk 12×Red-tailed Hawk +82%Sharp-shinned Hawk -64%Swainson's Hawk +93%

Bushtits Aegithalidae

Bushtit -78%

Larks Alaudidae

Horned Lark +57%

Kingfishers Alcedinidae

Belted Kingfisher -47%

Ducks, Geese & Waterfowl Anatidae

American Wigeon +91%Blue-winged Teal -87%Bufflehead -78%Canada Goose +381%Canvasback +456%Cinnamon Teal -41%Common Merganser -14%Gadwall +452%Green-winged Teal +262%Hooded Merganser -90%Lesser Scaup +249%Mallard +102%Northern Pintail -92%Northern Shoveler +216%Redhead +245%Ring-necked Duck +3%Ruddy Duck +96%Trumpeter Swan -88%Wood Duck -48%

Swifts Apodidae

Vaux's Swift +17%White-throated Swift -91%

Herons, Egrets & Bitterns Ardeidae

American Bittern -68%Black-crowned Night Heron -78%Great Blue Heron +6%Great Egret -57%Green Heron -84%Snowy Egret -67%

Waxwings Bombycillidae

Cedar Waxwing +37%

Nightjars & Nighthawks Caprimulgidae

Common Nighthawk +0%Common Poorwill +164%

Cardinals & Grosbeaks Cardinalidae

Black-headed Grosbeak +13%Lazuli Bunting +47%Western Tanager +19%

New World Vultures Cathartidae

Turkey Vulture +87%

Treecreepers Certhiidae

Brown Creeper +73%

Plovers & Lapwings Charadriidae

Killdeer -55%

Dippers Cinclidae

American Dipper -20%

Pigeons & Doves Columbidae

Band-tailed Pigeon -28%Eurasian Collared-Dove 91×Mourning Dove -16%Rock Pigeon +104%

Crows, Jays & Magpies Corvidae

American Crow -20%Black-billed Magpie -44%California Scrub-Jay +52%Canada Jay -46%Clark's Nutcracker -68%Common Raven +123%Pinyon Jay -17%Steller's Jay +31%

Falcons & Caracaras Falconidae

American Kestrel +24%Peregrine Falcon +166%Prairie Falcon +134%

Finches Fringillidae

American Goldfinch -61%Cassin's Finch +40%Evening Grosbeak -63%House Finch -46%Lesser Goldfinch -36%Pine Siskin -64%Purple Finch -80%Red Crossbill -23%

Cranes Gruidae

Sandhill Crane +8%

Swallows & Martins Hirundinidae

Bank Swallow +126%Barn Swallow -26%Cliff Swallow -27%Northern Rough-winged Swallow +10%Purple Martin +209%Tree Swallow -22%Violet-green Swallow -27%

Blackbirds & Orioles Icteridae

Bobolink +37%Brewer's Blackbird -57%Brown-headed Cowbird -42%Bullock's Oriole +12%Red-winged Blackbird +75%Tricolored Blackbird -87%Western Meadowlark -35%Yellow-headed Blackbird -64%

Yellow-breasted Chat Icteriidae

Yellow-breasted Chat -8%

Shrikes Laniidae

Loggerhead Shrike +2%

Gulls, Terns & Skimmers Laridae

Black Tern -94%California Gull +154%Caspian Tern -14%Forster's Tern -73%Franklin's Gull -92%Glaucous-winged Gull -18%Ring-billed Gull -49%Western Gull -98%

Mockingbirds & Thrashers Mimidae

Gray Catbird -27%Sage Thrasher +23%

New World Quail Odontophoridae

California Quail -17%Mountain Quail +7%

Osprey Pandionidae

Osprey +764%

Chickadees & Titmice Paridae

Black-capped Chickadee -38%Chestnut-backed Chickadee +137%Mountain Chickadee -8%Oak Titmouse -78%

Wood-Warblers Parulidae

Black-throated Gray Warbler -4%Common Yellowthroat +535%Hermit Warbler +41%MacGillivray's Warbler -6%Nashville Warbler +299%Orange-crowned Warbler -70%Townsend's Warbler +98%Wilson's Warbler +25%Yellow Warbler +1%

New World Sparrows Passerellidae

Black-throated Sparrow +106%Brewer's Sparrow +175%California Towhee -25%Chipping Sparrow -20%Fox Sparrow -65%Grasshopper Sparrow -28%Green-tailed Towhee +68%Lark Sparrow +21%Lincoln's Sparrow -58%Sagebrush Sparrow -56%Savannah Sparrow +14%Song Sparrow -26%Spotted Towhee -12%Vesper Sparrow +88%White-crowned Sparrow -48%

Old World Sparrows Passeridae

House Sparrow -45%

Pelicans Pelecanidae

American White Pelican -76%

Cormorants Phalacrocoracidae

Double-crested Cormorant -64%Pelagic Cormorant +181%

Pheasants, Grouse & Turkeys Phasianidae

Chukar -33%Dusky Grouse +156%Gray Partridge -88%Greater Sage-Grouse -11%Ring-necked Pheasant -55%Ruffed Grouse +18%Sooty Grouse -80%Wild Turkey 24×

Woodpeckers Picidae

Acorn Woodpecker +55%Black-backed Woodpecker +125%Downy Woodpecker +16%Hairy Woodpecker +18%Lewis's Woodpecker -77%Pileated Woodpecker +102%Red-breasted Sapsucker +155%Red-naped Sapsucker +34%White-headed Woodpecker +129%Williamson's Sapsucker +326%

Grebes Podicipedidae

Clark's Grebe +37%Eared Grebe -39%Pied-billed Grebe -26%Western Grebe -93%

Gnatcatchers Polioptilidae

Blue-gray Gnatcatcher -57%

Rails, Gallinules & Coots Rallidae

American Coot +759%Sora -39%Virginia Rail -26%

Avocets & Stilts Recurvirostridae

American Avocet +6%Black-necked Stilt -63%

Kinglets Regulidae

Golden-crowned Kinglet -3%Ruby-crowned Kinglet -36%

Sandpipers & Allies Scolopacidae

Long-billed Curlew -3%Spotted Sandpiper -44%Willet +21%Wilson's Phalarope -78%Wilson's Snipe -1%

Nuthatches Sittidae

Pygmy Nuthatch +11%Red-breasted Nuthatch -17%White-breasted Nuthatch -33%

Owls Strigidae

Barred Owl -63%Burrowing Owl +25%Great Horned Owl -61%Northern Pygmy-Owl -46%Northern Saw-whet Owl -40%Short-eared Owl -53%Western Screech-Owl -58%

Starlings & Mynas Sturnidae

European Starling -13%

Sylviid Warblers Sylviidae

Wrentit +112%

Ibises & Spoonbills Threskiornithidae

White-faced Ibis 28×

Hummingbirds Trochilidae

Anna's Hummingbird +113%Black-chinned Hummingbird +15%Calliope Hummingbird -49%Rufous Hummingbird -72%

Wrens Troglodytidae

Bewick's Wren +60%Canyon Wren +119%Marsh Wren -27%Northern House Wren +25%Pacific Wren +104%Rock Wren +194%

Thrushes Turdidae

American Robin -19%Hermit Thrush -28%Mountain Bluebird -41%Swainson's Thrush -21%Townsend's Solitaire +147%Varied Thrush -63%Veery -41%Western Bluebird +74%

Tyrant Flycatchers Tyrannidae

Ash-throated Flycatcher +46%Black Phoebe +660%Dusky Flycatcher +36%Eastern Kingbird +24%Gray Flycatcher +355%Hammond's Flycatcher +157%Olive-sided Flycatcher -72%Say's Phoebe +221%Western Kingbird +8%Western Wood-Pewee -3%Willow Flycatcher -79%

Barn-Owls Tytonidae

American Barn Owl -52%

Vireos Vireonidae

Cassin's Vireo +24%Hutton's Vireo +476%Red-eyed Vireo -83%Warbling Vireo +69%

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.