Species · South Carolina · BBS 2025 Release · 1966–2024
Great Horned Owl Population Trend in South Carolina
Great Horned Owl in South Carolina has held roughly steady: up 6% on the route-weighted index since 1971.
+6%Since 1971
29Routes In State
38Years
Notable Great Horned Owl Trends in South Carolina
No notable trend signals for Great Horned Owl in South Carolina. See the full index history below.
Great Horned Owl Population Forecast in South Carolina
If the recent trend holds, Great Horned Owl in South Carolina is projected to rise about 20% by 2029 — from 0.10 in 2024 to a central estimate of 0.11 (95% range 0.00–0.23). A 5-year backtest shows a typical error of ±30.9%, with 100% of held-out values landing inside the 95% band.
+20%Change by 2029
0.11Projected 2029 index
0.00–0.2395% range
±30.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.12 | 0.00 | 0.23 |
| 2026 | 0.12 | 0.00 | 0.23 |
| 2027 | 0.12 | 0.00 | 0.23 |
| 2028 | 0.11 | 0.00 | 0.23 |
| 2029 | 0.11 | 0.00 | 0.23 |
Great Horned Owl Survey Routes in South Carolina
| Chesnee | 4 | 2013 | 2005 |
| Joanna | 3 | 2021 | 2000 |
| Nixville | 3 | 2012 | 2008 |
| Holly Hill | 2 | 2022 | 1987 |
| Coward | 2 | 2007 | 1977 |
| New Holland | 2 | 2004 | 1979 |
| Dillon | 2 | 2013 | 1998 |
| Campobello | 2 | 2019 | 2012 |
| Greenwood | 2 | 2017 | 1998 |
| Dale | 2 | 2023 | 2011 |
| Johns Isle | 1 | 1968 | 1968 |
| Jamestown | 1 | 1971 | 1967 |
| Hardeeville | 1 | 2010 | 1977 |
| Foreston | 1 | 1997 | 1992 |
| Wagener | 1 | 2010 | 1984 |
| Bishopville | 1 | 1992 | 1992 |
| Kiawah Island | 1 | 2011 | 2000 |
| Owings | 1 | 1998 | 1998 |
| Barton Creek | 1 | 1975 | 1975 |
| Plum Branch | 1 | 1999 | 1979 |
| New Ellenton | 1 | 2024 | 2018 |
| Ridgeway | 1 | 2019 | 2019 |
| Blacksburg | 1 | 2012 | 2001 |
| Mount Pisgah | 1 | 1998 | 1998 |
| Pinewood | 1 | 1998 | 1998 |
Great Horned Owl Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.