Species · Ohio · BBS 2025 Release · 1966–2024

Red-winged Blackbird Population Trend in Ohio

Red-winged Blackbird in Ohio has collapsed: down 75% on the route-weighted index since 1968.

-75%Since 1968
89Routes In State
58Years

Notable Red-winged Blackbird Trends in Ohio

long arc declinecomputed index

Red-winged Blackbird has collapsed in Ohio: down 75% on the route-weighted index since 1968.

Red-winged Blackbird Population Forecast in Ohio

If the recent trend holds, Red-winged Blackbird in Ohio is projected to fall about 83% by 2029 — from 63 in 2024 to a central estimate of 10 (95% range 0.00–78). A 5-year backtest shows a typical error of ±71.5%, with 100% of held-out values landing inside the 95% band.

-83%Change by 2029
10Projected 2029 index
0.007895% range
±71.5%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
2025240.0091
2026210.0088
2027170.0085
2028140.0081
2029100.0078

Red-winged Blackbird Survey Routes in Ohio

Routes recording Red-winged Blackbird in Ohio.
Winterset42719831967
Harveysburg30319961966
Wilmington30219961966
Napoleon24120241966
Garrettsvile23719911966
N Baltimore19520191966
Bismark16219951967
Dunlap15219881966
Tecumseh14719821966
Kunkle13920241992
Newport13719941966
Hiram13720211992
Graytown13319841966
Cumberland13120171966
Darrtown12820211966
Ash Ridge12820211992
New Dover12020221966
Rome12020241966
Stonecreek12020241996
Botkins10920191992
Wayland10320171992
Casstown10020242000
Pittsfield9620241992
No Kenton9520241966
Marion9520231966

Red-winged Blackbird Population Trend in Other States

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