Species · South Carolina · BBS 2025 Release · 1966–2024
Brown-headed Nuthatch Population Trend in South Carolina
Brown-headed Nuthatch in South Carolina has increased: up 26% on the route-weighted index since 1968.
+26%Since 1968
49Routes In State
58Years
Notable Brown-headed Nuthatch Trends in South Carolina
No notable trend signals for Brown-headed Nuthatch in South Carolina. See the full index history below.
Brown-headed Nuthatch Population Forecast in South Carolina
If the recent trend holds, Brown-headed Nuthatch in South Carolina is projected to fall about 24% by 2029 — from 4.0 in 2024 to a central estimate of 3.1 (95% range 0.43–5.7). A 5-year backtest shows a typical error of ±14.8%, with 100% of held-out values landing inside the 95% band.
-24%Change by 2029
3.1Projected 2029 index
0.43–5.795% range
±14.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.1 | 0.46 | 5.7 |
| 2026 | 3.1 | 0.46 | 5.7 |
| 2027 | 3.1 | 0.45 | 5.7 |
| 2028 | 3.1 | 0.44 | 5.7 |
| 2029 | 3.1 | 0.43 | 5.7 |
Brown-headed Nuthatch Survey Routes in South Carolina
| Little Mtn | 19 | 1988 | 1966 |
| Plum Branch | 16 | 2024 | 1977 |
| Sandhills | 16 | 2024 | 1994 |
| Salem Xrd | 11 | 2019 | 1982 |
| Pinewood | 9 | 2019 | 1999 |
| Whitmire | 8 | 2024 | 2010 |
| Mount Pisgah | 8 | 2021 | 1998 |
| Adams Run | 7 | 2024 | 1988 |
| Campobello | 6 | 2024 | 2010 |
| Rome | 5 | 2024 | 1967 |
| New Holland | 5 | 2024 | 1967 |
| Ward | 5 | 2021 | 2017 |
| Carvers Bay | 5 | 2012 | 1998 |
| Kiawah Island | 5 | 2024 | 1999 |
| Battlecreek | 5 | 2022 | 2002 |
| Prosperity | 5 | 2024 | 1992 |
| Owings | 4 | 1997 | 1995 |
| Salem | 4 | 2024 | 2010 |
| Joanna | 4 | 2022 | 1999 |
| Red Bluff | 4 | 2023 | 2017 |
| Wagener | 3 | 2018 | 1966 |
| Boykin Ml Pd | 3 | 1968 | 1966 |
| Boiling Spgs | 3 | 1975 | 1967 |
| Greenwood | 3 | 2018 | 1998 |
| Bennettsville | 3 | 2014 | 1999 |
Brown-headed Nuthatch Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.