BirdAnalyst
Species · Tennessee · BBS 2025 Release · 1966–2024

Winter Wren Population Trend in Tennessee

All statesForest birds

Winter Wren in Tennessee has surged: up 16× on the route-weighted index since 1976.

16×Since 1976
4Routes In State
32Years

Notable Winter Wren Trends in Tennessee

long arc increasecomputed index

Winter Wren has surged in Tennessee: up 16× on the route-weighted index since 1976.

Winter Wren Population Forecast in Tennessee

If the recent trend holds, Winter Wren in Tennessee is projected to fall about 17% by 2029 — from 0.55 in 2024 to a central estimate of 0.45 (95% range 0.03–0.88). A 5-year backtest shows a typical error of ±21.7%, with 100% of held-out values landing inside the 95% band.

-17%Change by 2029
0.45Projected 2029 index
0.03–0.8895% range
±21.7%Backtest error
19732029
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
20250.420.000.85
20260.430.010.85
20270.440.010.86
20280.450.020.87
20290.450.030.88

Winter Wren Survey Routes in Tennessee

Routes recording Winter Wren in Tennessee.
Newfound Gap720241990
Cades Cove520241989
Tellico320221995
Fish Springs120231973

Winter Wren Population Trend in Other States

connecticutmainemarylandmassachusettsmichiganminnesotanew-hampshirenew-jerseynew-yorknorth-carolinaohiopennsylvaniavermontvirginiawest-virginiawisconsin

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