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

Northern Waterthrush In Prairie Hardwood Transition

All regionsPrairie Hardwood TransitionForest birds

Northern Waterthrush in Prairie Hardwood Transition has surged: up 171% on the route-weighted index since 1968.

+171%Since 1968
36Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Northern Waterthrush has surged in Prairie Hardwood Transition: up 171% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Northern Waterthrush in Prairie Hardwood Transition is projected to rise about 30% by 2029 — from 0.07 in 2024 to a central estimate of 0.09 (95% range 0.02–0.16). A 5-year backtest shows a typical error of ±28.6%, with 100% of held-out values landing inside the 95% band.

+30%Change by 2029
0.09Projected 2029 index
0.02–0.1695% range
±28.6%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
20250.090.020.15
20260.090.020.15
20270.090.020.15
20280.090.020.16
20290.090.020.16

Routes In Prairie Hardwood Transition

Routes recording Northern Waterthrush in Prairie Hardwood Transition.
GrimmsWISCONSIN42021
MerrillWISCONSIN32024
UnityWISCONSIN31974
Big RapidsMICHIGAN21989
HolwayWISCONSIN21976
CascoWISCONSIN22023
GreshamWISCONSIN22024
ScottvilleMICHIGAN11977
Big Blue LkMICHIGAN11999
CoopersvilleMICHIGAN11985
BeldingMICHIGAN11985
RemusMICHIGAN12023
No BradleyMICHIGAN12014
JuniataMICHIGAN12005
WaldenburgMICHIGAN11991
HungerfordMICHIGAN12016
Chippewa Lk.MICHIGAN12022
AlmenaMICHIGAN11998
DresserWISCONSIN12010
LoraineWISCONSIN12015
CumberlandWISCONSIN12012
WeyerhauserWISCONSIN12015
Wis RapidsWISCONSIN12017
Stevens PtWISCONSIN12023
ElderonWISCONSIN12009

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