State · BBS 2026 Release · 1966–2025
West Virginia Breeding Birds
166 species recorded across 64 survey routes, 1966 to 2025. Browse by family or guild below.
West Virginia 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 →
Northern Bobwhite has collapsed in West Virginia: down 100% on the route-weighted index since 1968.
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 →
Blue-headed Vireo has surged in West Virginia: up 22× on the route-weighted index since 1971.
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 →
Bank Swallow has collapsed in West Virginia: down 97% on the route-weighted index since 1976.
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 →
Yellow-throated Warbler has surged in West Virginia: up 20× on the route-weighted index since 1968.
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 →
Golden-winged Warbler has collapsed in West Virginia: down 96% on the route-weighted index since 1968.
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 →
Tree Swallow has surged in West Virginia: up 19× on the route-weighted index since 1977.
How Bird Guilds Are Faring in West VirginiaGuild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology →
West Virginia Bird Survey Routes
Browse West Virginia 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 West Virginia.
Hawks, Eagles & Kites Accipitridae
Larks Alaudidae
Kingfishers Alcedinidae
Swifts Apodidae
Waxwings Bombycillidae
Nightjars & Nighthawks Caprimulgidae
Cardinals & Grosbeaks Cardinalidae
Treecreepers Certhiidae
Plovers & Lapwings Charadriidae
Falcons & Caracaras Falconidae
Swallows & Martins Hirundinidae
Blackbirds & Orioles Icteridae
New World Quail Odontophoridae
Osprey Pandionidae
Wood-Warblers Parulidae
American Redstart +198%Black-and-white Warbler +63%Black-throated Blue Warbler 17×Black-throated Green Warbler +492%Blackburnian Warbler 15×Blue-winged Warbler -19%Canada Warbler 13×Cerulean Warbler -48%Chestnut-sided Warbler +454%Common Yellowthroat -57%Golden-winged Warbler -96%Hooded Warbler +183%Kentucky Warbler -85%Louisiana Waterthrush +57%Magnolia Warbler +945%Mourning Warbler +275%Northern Parula +47%Northern Waterthrush +159%Ovenbird +179%Pine Warbler -47%Prairie Warbler -94%Prothonotary Warbler -69%Swainson's Warbler +310%Worm-eating Warbler -35%Yellow Warbler -55%Yellow-throated Warbler 20×
New World Sparrows Passerellidae
Old World Sparrows Passeridae
Woodpeckers Picidae
Gnatcatchers Polioptilidae
Kinglets Regulidae
Starlings & Mynas Sturnidae
Hummingbirds Trochilidae
Thrushes Turdidae
Tyrant Flycatchers Tyrannidae
Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.