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

Herring Gull Population Trend in Ohio

All statesWetland birds

Herring Gull in Ohio has declined: down 28% on the route-weighted index since 1970.

-28%Since 1970
14Routes In State
52Years

Notable Herring Gull Trends in Ohio

No notable trend signals for Herring Gull in Ohio. See the full index history below.

Herring Gull Population Forecast in Ohio

If the recent trend holds, Herring Gull in Ohio is projected to rise about 328% by 2029 — from 0.05 in 2024 to a central estimate of 0.23 (95% range 0.00–2.6). A 5-year backtest shows a typical error of ±476.9%, with 100% of held-out values landing inside the 95% band.

+328%Change by 2029
0.23Projected 2029 index
0.00–2.695% range
±476.9%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
20250.320.002.6
20260.300.002.6
20270.270.002.6
20280.250.002.6
20290.230.002.6

Herring Gull Survey Routes in Ohio

Routes recording Herring Gull in Ohio.
Bismark2219951976
Limestone1220191986
Graytown919841967
Hiram419931992
Botkins320192012
N Baltimore219851979
Garrettsvile219911984
Lenox220152015
Pittsfield120082008
Peru119751967
Norwalk120192000
Vickery120241996
Herner Crns120241972
Birmingham119931993

Herring Gull Population Trend in Other States

alabamaalaskacaliforniacoloradoconnecticutdelawarefloridaidahoillinoisindianakansaslouisianamainemarylandmassachusettsmichiganminnesotamontananew-hampshirenew-jerseynew-yorknorth-carolinaoregonpennsylvaniarhode-islandsouth-carolinatexasvermontvirginiawashingtonwest-virginiawisconsin

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