Species · West Virginia · BBS 2025 Release · 1966–2024
Great Horned Owl Population Trend in West Virginia
Great Horned Owl in West Virginia has held roughly steady: up 1% on the route-weighted index since 1982.
+1%Since 1982
21Routes In State
20Years
Notable Great Horned Owl Trends in West Virginia
No notable trend signals for Great Horned Owl in West Virginia. See the full index history below.
Great Horned Owl Population Forecast in West Virginia
If the recent trend holds, Great Horned Owl in West Virginia is projected to fall about 36% by 2021 — from 0.07 in 2016 to a central estimate of 0.05 (95% range 0.00–0.11). A 5-year backtest shows a typical error of ±110.6%, with 100% of held-out values landing inside the 95% band.
-36%Change by 2021
0.05Projected 2021 index
0.00–0.1195% range
±110.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2017 | 0.05 | 0.00 | 0.11 |
| 2018 | 0.05 | 0.00 | 0.11 |
| 2019 | 0.05 | 0.00 | 0.11 |
| 2020 | 0.05 | 0.00 | 0.11 |
| 2021 | 0.05 | 0.00 | 0.11 |
Great Horned Owl Survey Routes in West Virginia
| Valley Head | 2 | 1982 | 1982 |
| Sugar Grove | 2 | 2015 | 2015 |
| Mo Of Seneca | 2 | 1999 | 1999 |
| Martinsburg | 2 | 1999 | 1996 |
| Hix | 1 | 1981 | 1981 |
| Bramwell | 1 | 1987 | 1987 |
| Bowden | 1 | 1993 | 1993 |
| Hanover | 1 | 1995 | 1995 |
| Wymer | 1 | 2005 | 2004 |
| Breeden | 1 | 1996 | 1994 |
| Spencer | 1 | 2016 | 2016 |
| Bismark | 1 | 1985 | 1985 |
| Olcott | 1 | 1979 | 1979 |
| Canaan | 1 | 2006 | 2006 |
| Lost River | 1 | 2016 | 2016 |
| Shanghai | 1 | 2016 | 1995 |
| Richwood | 1 | 2008 | 2008 |
| Slate | 1 | 1999 | 1999 |
| Washburn | 1 | 1988 | 1988 |
| Moundsville | 1 | 1992 | 1984 |
| Bebee | 1 | 1999 | 1999 |
Great Horned Owl Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.