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

Redhead In Prairie Hardwood Transition

All regions Prairie Hardwood Transition Waterfowl

Redhead in Prairie Hardwood Transition has fallen sharply: down 67% on the route-weighted index since 1978.

-67%Since 1978

6Routes In Region

19Years

Notable Signals

No notable trend signals for Redhead in Prairie Hardwood Transition. See the full index history below.

Forecast

If the recent trend holds, Redhead in Prairie Hardwood Transition is projected to stay roughly flat through 2021, near 0.01 (95% range 0.00–0.10). A 5-year backtest shows a typical error of ±75.4%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2021

0.01Projected 2021 index

0.00–0.1095% range

±75.4%Backtest error

Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.

Year	Projected index	95% high
2017	0.01	0.11
2018	0.01	0.10
2019	0.01	0.10
2020	0.01	0.10
2021	0.01	0.10

Routes In Prairie Hardwood Transition

Routes recording Redhead in Prairie Hardwood Transition.

Rolling Pr	WISCONSIN	16	1986
Le Center	MINNESOTA	9	2004
Ashby	MINNESOTA	2	2009
Knapp	MINNESOTA	1	2000
Glenwood	MINNESOTA	1	2016
Hudson	WISCONSIN	1	2013

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