Species · Ohio · BBS 2025 Release · 1966–2024
Henslow's Sparrow Population Trend in Ohio
Henslow's Sparrow in Ohio has fallen sharply: down 57% on the route-weighted index since 1968.
-57%Since 1968
38Routes In State
55Years
Notable Henslow's Sparrow Trends in Ohio
long arc declinecomputed index
Henslow's Sparrow has fallen sharply in Ohio: down 57% on the route-weighted index since 1968.
Henslow's Sparrow Population Forecast in Ohio
If the recent trend holds, Henslow's Sparrow in Ohio is projected to fall about 100% by 2029 — from 0.10 in 2024 to a central estimate of 0.00 (95% range 0.00–0.24). A 5-year backtest shows a typical error of ±131.4%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–0.2495% range
±131.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.24 |
| 2026 | 0.00 | 0.00 | 0.24 |
| 2027 | 0.00 | 0.00 | 0.24 |
| 2028 | 0.00 | 0.00 | 0.24 |
| 2029 | 0.00 | 0.00 | 0.24 |
Henslow's Sparrow Survey Routes in Ohio
| Meadowbrook | 3 | 2016 | 1970 |
| Coal Run | 3 | 1990 | 1973 |
| Bloomville | 2 | 2024 | 1996 |
| Strongsville | 2 | 1973 | 1966 |
| Marion | 2 | 1978 | 1978 |
| Newcomerstwn | 2 | 1984 | 1980 |
| Harveysburg | 2 | 1972 | 1970 |
| Cuba | 2 | 2005 | 2002 |
| Wilmington | 2 | 1967 | 1967 |
| Ray | 2 | 1998 | 1992 |
| Omega | 2 | 2023 | 1992 |
| Hebron | 2 | 1996 | 1970 |
| Cumberland | 2 | 1998 | 1974 |
| Kunkle | 1 | 2024 | 2000 |
| Pike S.F. | 1 | 1996 | 1995 |
| Middlefield | 1 | 1980 | 1968 |
| Stonecreek | 1 | 2022 | 2010 |
| Lenox | 1 | 1981 | 1966 |
| Birmingham | 1 | 2023 | 1988 |
| Troy | 1 | 1983 | 1983 |
| Cosmos | 1 | 2019 | 1977 |
| No Kenton | 1 | 2023 | 2000 |
| New Dover | 1 | 1972 | 1972 |
| Lattasburg | 1 | 1974 | 1973 |
| Westerville | 1 | 1983 | 1968 |
Henslow's Sparrow Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.