Species · Iowa · BBS 2025 Release · 1966–2024

Red-headed Woodpecker Population Trend in Iowa

Red-headed Woodpecker in Iowa has fallen sharply: down 61% on the route-weighted index since 1969.

-61%Since 1969
39Routes In State
57Years

Notable Red-headed Woodpecker Trends in Iowa

long arc declinecomputed index

Red-headed Woodpecker has fallen sharply in Iowa: down 61% on the route-weighted index since 1969.

Red-headed Woodpecker Population Forecast in Iowa

If the recent trend holds, Red-headed Woodpecker in Iowa is projected to fall about 100% by 2029 — from 4.3 in 2024 to a central estimate of 0.00 (95% range 0.00–4.3). A 5-year backtest shows a typical error of ±109.2%, with 60% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.004.395% range
±109.2%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
20250.270.004.6
20260.090.004.4
20270.000.004.3
20280.000.004.3
20290.000.004.3

Red-headed Woodpecker Survey Routes in Iowa

Routes recording Red-headed Woodpecker in Iowa.
College Spgs1620041967
Mt Hamill1420241967
Red Rock1220241968
Panther1120241967
College Spgs 21120232005
Wales1020181967
Lafayette820242003
Mccallsburg820241996
Zearing719951967
Washta720141967
Maquoketa620241967
Exline520241974
Melrose520241974
Sioux City520241968
Bedford420181968
Brooklyn420221967
Neola420161968
Kanawha420241967
Gaza420231969
Williamsburg320231967
Hudson320221967
Scranton320241967
Rock Valley320241968
Tipton320231993
Washington220241967

Red-headed Woodpecker Population Trend in Other States

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