BirdAnalyst
Species · Minnesota · BBS 2025 Release · 1966–2024

Redhead Population Trend in Minnesota

All statesWaterfowl

Redhead in Minnesota has fallen sharply: down 66% on the route-weighted index since 1970.

-66%Since 1970
18Routes In State
42Years

Notable Redhead Trends in Minnesota

long arc declinecomputed index

Redhead has fallen sharply in Minnesota: down 66% on the route-weighted index since 1970.

Redhead Population Forecast in Minnesota

If the recent trend holds, Redhead in Minnesota is projected to stay roughly flat through 2029, near 0.06 (95% range 0.00–0.57). A 5-year backtest shows a typical error of ±162.3%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.06Projected 2029 index
0.00–0.5795% range
±162.3%Backtest error
19672029
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
20250.080.000.60
20260.080.000.59
20270.070.000.58
20280.070.000.58
20290.060.000.57

Redhead Survey Routes in Minnesota

Routes recording Redhead in Minnesota.
Tenney2020161978
Le Center920041996
Dawson820161985
Hartland520021967
Tyler420192014
Glyndon420131978
Big Stone320121996
Ashby220092009
Greenbush219961996
Appleton220112010
Gluek220081981
Chokio220241970
Tracy220182018
Glenwood120162002
Courtland120151979
Redwood Fall119791979
Knapp120001969
Austin120012001

Redhead Population Trend in Other States

alaskaarizonacaliforniacoloradoidahoiowakansasmichiganmontananebraskanevadanew-mexiconew-yorknorth-dakotaoklahomaoregonsouth-dakotatexasutahwashingtonwisconsinwyoming

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