State · BBS 2025 Release · 1966–2024
Vermont Breeding Birds
183 species recorded across 26 survey routes, 1966 to 2024. Browse by family or guild below.
Vermont 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 →
Eastern Meadowlark has collapsed in Vermont: 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 →
Tufted Titmouse has surged in Vermont: up 48× on the route-weighted index since 1986.
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 →
Killdeer has collapsed in Vermont: down 94% 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 →
Mallard has surged in Vermont: up 35× on the route-weighted index since 1970.
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 Vermont: down 93% 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 →
Common Raven has surged in Vermont: up 26× on the route-weighted index since 1969.
How Bird Guilds Are Faring in VermontGuild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology →
Vermont Bird Survey Routes
Browse Vermont 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 Vermont.
Hawks, Eagles & Kites Accipitridae
Larks Alaudidae
Kingfishers Alcedinidae
Ducks, Geese & Waterfowl Anatidae
Swifts Apodidae
Waxwings Bombycillidae
Cardinals & Grosbeaks Cardinalidae
New World Vultures Cathartidae
Treecreepers Certhiidae
Plovers & Lapwings Charadriidae
Falcons & Caracaras Falconidae
Finches Fringillidae
Loons Gaviidae
Swallows & Martins Hirundinidae
Blackbirds & Orioles Icteridae
Osprey Pandionidae
Wood-Warblers Parulidae
American Redstart +5%Black-and-white Warbler +168%Black-throated Blue Warbler +349%Black-throated Green Warbler +238%Blackburnian Warbler +400%Blackpoll Warbler -10%Blue-winged Warbler -32%Canada Warbler -80%Chestnut-sided Warbler +42%Common Yellowthroat +37%Golden-winged Warbler +6%Louisiana Waterthrush +285%Magnolia Warbler +150%Mourning Warbler +502%Nashville Warbler -13%Northern Parula 15×Northern Waterthrush +45%Ovenbird +144%Pine Warbler 22×Prairie Warbler -7%Yellow Warbler -15%
New World Sparrows Passerellidae
Old World Sparrows Passeridae
Cormorants Phalacrocoracidae
Woodpeckers Picidae
Gnatcatchers Polioptilidae
Owls Strigidae
Starlings & Mynas Sturnidae
Hummingbirds Trochilidae
Thrushes Turdidae
Tyrant Flycatchers Tyrannidae
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.