BirdAnalyst
Species · New Jersey · BBS 2025 Release · 1966–2024

Hermit Thrush Population Trend in New Jersey

All statesForest birds

Hermit Thrush in New Jersey has declined: down 33% on the route-weighted index since 1980.

-33%Since 1980
4Routes In State
25Years

Notable Hermit Thrush Trends in New Jersey

No notable trend signals for Hermit Thrush in New Jersey. See the full index history below.

Hermit Thrush Population Forecast in New Jersey

If the recent trend holds, Hermit Thrush in New Jersey is projected to stay roughly flat through 2029, near 0.09 (95% range 0.00–0.27). A 5-year backtest shows a typical error of ±275.8%, with 80% of held-out values landing inside the 95% band.

n/aChange by 2029
0.09Projected 2029 index
0.00–0.2795% range
±275.8%Backtest error
19772029
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
20250.100.000.28
20260.100.000.28
20270.090.000.27
20280.090.000.27
20290.090.000.27

Hermit Thrush Survey Routes in New Jersey

Routes recording Hermit Thrush in New Jersey.
Spraguetown 3120242024
Kemah Lake119941992
Friendship120181998
High Point120061977

Hermit Thrush Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutidahomainemarylandmassachusettsmichiganminnesotamontananevadanew-hampshirenew-mexiconew-yorknorth-carolinaohiooregonpennsylvaniarhode-islandsouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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