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Species · Wyoming · BBS 2025 Release · 1966–2024

Hermit Thrush Population Trend in Wyoming

All statesForest birds

Hermit Thrush in Wyoming has surged: up 704% on the route-weighted index since 1976.

+704%Since 1976
35Routes In State
49Years

Notable Hermit Thrush Trends in Wyoming

long arc increasecomputed index

Hermit Thrush has surged in Wyoming: up 704% on the route-weighted index since 1976.

Hermit Thrush Population Forecast in Wyoming

If the recent trend holds, Hermit Thrush in Wyoming is projected to rise about 20% by 2029 — from 1.6 in 2024 to a central estimate of 1.9 (95% range 0.95–2.9). A 5-year backtest shows a typical error of ±33.3%, with 100% of held-out values landing inside the 95% band.

+20%Change by 2029
1.9Projected 2029 index
0.95–2.995% range
±33.3%Backtest error
19692029
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
20251.80.872.8
20261.90.892.8
20271.90.912.8
20281.90.932.9
20291.90.952.9

Hermit Thrush Survey Routes in Wyoming

Routes recording Hermit Thrush in Wyoming.
Fox Park4820241992
Bald Mtn2820241990
West Thumb2619821982
Ryan Park1620232011
Horse Creek1520241980
Fiddler Lk1420241979
Hayden Val919851985
Buckskin Mtn820211980
Colter Bay719991969
Savery 2720242007
Crazy Woman620241982
Prior Flats520241991
Hunter Peak520241982
Moran520162002
Yellowstone320221987
Mammoth320241982
Colter Bay 2320242022
Soda Lake320241980
Fletcher Pk320161982
Green River319771977
Ne Entrance220151982
Dubois220231974
Meeteetse220172011
Warbonnet220241990
Cody120132012

Hermit Thrush Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutidahomainemarylandmassachusettsmichiganminnesotamontananevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinaohiooregonpennsylvaniarhode-islandsouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsin

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