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Species · Tennessee · BBS 2025 Release · 1966–2024

Red-breasted Nuthatch Population Trend in Tennessee

All statesForest birds

Red-breasted Nuthatch in Tennessee has surged: up 285% on the route-weighted index since 1990.

+285%Since 1990
5Routes In State
26Years

Notable Red-breasted Nuthatch Trends in Tennessee

long arc increasecomputed index

Red-breasted Nuthatch has surged in Tennessee: up 285% on the route-weighted index since 1990.

Red-breasted Nuthatch Population Forecast in Tennessee

If the recent trend holds, Red-breasted Nuthatch in Tennessee is projected to stay roughly flat through 2029, near 0.31 (95% range 0.08–0.55). A 5-year backtest shows a typical error of ±58.6%, with 100% of held-out values landing inside the 95% band.

-2%Change by 2029
0.31Projected 2029 index
0.08–0.5595% range
±58.6%Backtest error
19782029
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
20250.280.050.52
20260.290.060.53
20270.300.070.53
20280.300.070.54
20290.310.080.55

Red-breasted Nuthatch Survey Routes in Tennessee

Routes recording Red-breasted Nuthatch in Tennessee.
Cades Cove420241989
Newfound Gap320241991
Mecca120192019
Tellico120171999
Fish Springs120231978

Red-breasted Nuthatch Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutidahoillinoisindianakansasmainemarylandmassachusettsmichiganminnesotamontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotautahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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