Species · Ohio · BBS 2025 Release · 1966–2024
Ring-billed Gull Population Trend in Ohio
Ring-billed Gull in Ohio has declined: down 44% on the route-weighted index since 1969.
-44%Since 1969
25Routes In State
55Years
Notable Ring-billed Gull Trends in Ohio
No notable trend signals for Ring-billed Gull in Ohio. See the full index history below.
Ring-billed Gull Population Forecast in Ohio
If the recent trend holds, Ring-billed Gull in Ohio is projected to fall about 73% by 2029 — from 2.1 in 2024 to a central estimate of 0.55 (95% range 0.00–4.1). A 5-year backtest shows a typical error of ±1297%, with 100% of held-out values landing inside the 95% band.
-73%Change by 2029
0.55Projected 2029 index
0.00–4.195% range
±1297%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.65 | 0.00 | 4.2 |
| 2026 | 0.62 | 0.00 | 4.2 |
| 2027 | 0.60 | 0.00 | 4.2 |
| 2028 | 0.57 | 0.00 | 4.2 |
| 2029 | 0.55 | 0.00 | 4.1 |
Ring-billed Gull Survey Routes in Ohio
| Graytown | 198 | 1984 | 1966 |
| Limestone | 68 | 2024 | 1986 |
| Bismark | 63 | 1995 | 1978 |
| Peru | 20 | 1977 | 1969 |
| Norwalk | 12 | 2010 | 2003 |
| Vickery | 8 | 2024 | 1996 |
| Lenox | 4 | 2007 | 1992 |
| Meadowbrook | 3 | 2016 | 2016 |
| W Carrollton | 2 | 2014 | 2013 |
| New Somerset | 2 | 1972 | 1972 |
| Hiram | 2 | 2021 | 1993 |
| Napoleon | 1 | 1996 | 1996 |
| Bloomville | 1 | 2017 | 2017 |
| Kingsway | 1 | 1994 | 1981 |
| N Baltimore | 1 | 2015 | 1988 |
| Pittsfield | 1 | 2017 | 1998 |
| Ashley | 1 | 2016 | 1993 |
| Wayland | 1 | 2017 | 1996 |
| Middlefield | 1 | 2012 | 1971 |
| Herner Crns | 1 | 2024 | 1974 |
| Botkins | 1 | 1998 | 1992 |
| Kalida | 1 | 1993 | 1993 |
| Kenton | 1 | 2013 | 1981 |
| Hebron | 1 | 2014 | 1999 |
| Valley City | 1 | 2024 | 2006 |
Ring-billed Gull Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.