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Species · Tennessee · BBS 2025 Release · 1966–2024

Canada Warbler Population Trend in Tennessee

All statesForest birds

Canada Warbler in Tennessee has surged: up 135% on the route-weighted index since 1991.

+135%Since 1991
4Routes In State
32Years

Notable Canada Warbler Trends in Tennessee

long arc increasecomputed index

Canada Warbler has surged in Tennessee: up 135% on the route-weighted index since 1991.

Canada Warbler Population Forecast in Tennessee

If the recent trend holds, Canada Warbler in Tennessee is projected to fall about 16% by 2029 — from 0.27 in 2024 to a central estimate of 0.23 (95% range 0.07–0.39). A 5-year backtest shows a typical error of ±35.6%, with 100% of held-out values landing inside the 95% band.

-16%Change by 2029
0.23Projected 2029 index
0.07–0.3995% range
±35.6%Backtest error
19892029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.210.050.37
20260.210.050.38
20270.220.060.38
20280.220.060.39
20290.230.070.39

Canada Warbler Survey Routes in Tennessee

Routes recording Canada Warbler in Tennessee.
Newfound Gap420241990
Cades Cove320171989
Tellico220241998
Fish Springs120171991

Canada Warbler Population Trend in Other States

connecticutgeorgiaindianamainemarylandmassachusettsmichiganminnesotanew-hampshirenew-jerseynew-yorknorth-carolinaohiopennsylvaniarhode-islandvermontvirginiawest-virginiawisconsin

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.