Species · BCR 23 · BBS 2025 Release · 1966–2024

Hermit Thrush In Prairie Hardwood Transition

Hermit Thrush in Prairie Hardwood Transition has surged: up 274% on the route-weighted index since 1968.

+274%Since 1968
30Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Hermit Thrush has surged in Prairie Hardwood Transition: up 274% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Hermit Thrush in Prairie Hardwood Transition is projected to stay roughly flat through 2029, near 0.19 (95% range 0.03–0.34). A 5-year backtest shows a typical error of ±363.6%, with 40% of held-out values landing inside the 95% band.

n/aChange by 2029
0.19Projected 2029 index
0.030.3495% range
±363.6%Backtest error
19662029
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
20250.180.020.33
20260.180.030.33
20270.180.030.34
20280.180.030.34
20290.190.030.34

Routes In Prairie Hardwood Transition

Routes recording Hermit Thrush in Prairie Hardwood Transition.
HatfieldWISCONSIN91998
MatherWISCONSIN42019
MerrillWISCONSIN32008
Big RapidsMICHIGAN21981
Chippewa Lk.MICHIGAN21992
Barry S.G.A.MICHIGAN21999
ElderonWISCONSIN22003
ScottvilleMICHIGAN12023
BeldingMICHIGAN12002
MontereyMICHIGAN12011
No BradleyMICHIGAN11989
Maple RapidsMICHIGAN11994
HungerfordMICHIGAN12017
Belding 2MICHIGAN12005
Allegan WmaMICHIGAN11996
MillvilleMINNESOTA12010
EvergreenMINNESOTA12024
Brook ParkMINNESOTA11999
LoraineWISCONSIN12018
CumberlandWISCONSIN12018
CadottWISCONSIN12019
StratfordWISCONSIN12015
Wis RapidsWISCONSIN12022
Stevens PtWISCONSIN12023
ManawaWISCONSIN12007

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