State · BBS 2026 Release · 1966–2025
Tennessee Breeding Birds
161 species recorded across 55 survey routes, 1966 to 2025. Browse by family or guild below.
Tennessee 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 →
Loggerhead Shrike has collapsed in Tennessee: down 97% 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 →
Cliff Swallow has surged in Tennessee: up 61× 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 →
Yellow Warbler has collapsed in Tennessee: down 97% 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 →
House Finch has surged in Tennessee: up 56× on the route-weighted index since 1987.
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 →
Bewick's Wren has collapsed in Tennessee: down 95% 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 →
Red-shouldered Hawk has surged in Tennessee: up 29× on the route-weighted index since 1968.
How Bird Guilds Are Faring in TennesseeGuild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology →
Tennessee Bird Survey Routes
Browse Tennessee 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 Tennessee.
Hawks, Eagles & Kites Accipitridae
Larks Alaudidae
Kingfishers Alcedinidae
Swifts Apodidae
Herons, Egrets & Bitterns Ardeidae
Waxwings Bombycillidae
Nightjars & Nighthawks Caprimulgidae
Cardinals & Grosbeaks Cardinalidae
Treecreepers Certhiidae
Plovers & Lapwings Charadriidae
Falcons & Caracaras Falconidae
Swallows & Martins Hirundinidae
Blackbirds & Orioles Icteridae
Shrikes Laniidae
New World Quail Odontophoridae
Osprey Pandionidae
Wood-Warblers Parulidae
American Redstart +31%Black-and-white Warbler -6%Black-throated Blue Warbler +679%Black-throated Green Warbler +719%Blackburnian Warbler +931%Blue-winged Warbler -24%Canada Warbler +306%Cerulean Warbler -21%Chestnut-sided Warbler +24%Common Yellowthroat -40%Golden-winged Warbler -49%Hooded Warbler +321%Kentucky Warbler +55%Louisiana Waterthrush +77%Northern Parula 24×Ovenbird +38%Pine Warbler 17×Prairie Warbler -30%Prothonotary Warbler +175%Swainson's Warbler 21×Worm-eating Warbler +115%Yellow Warbler -97%Yellow-throated Warbler +313%
New World Sparrows Passerellidae
Old World Sparrows Passeridae
Cormorants Phalacrocoracidae
Pheasants, Grouse & Turkeys Phasianidae
Woodpeckers Picidae
Gnatcatchers Polioptilidae
Kinglets Regulidae
Nuthatches Sittidae
Starlings & Mynas Sturnidae
Hummingbirds Trochilidae
Tyrant Flycatchers Tyrannidae
Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.