Species · Pennsylvania · BBS 2025 Release · 1966–2024
White-breasted Nuthatch Population Trend in Pennsylvania
White-breasted Nuthatch in Pennsylvania has surged: up 277% on the route-weighted index since 1968.
+277%Since 1968
135Routes In State
58Years
Notable White-breasted Nuthatch Trends in Pennsylvania
long arc increasecomputed index
White-breasted Nuthatch has surged in Pennsylvania: up 277% on the route-weighted index since 1968.
White-breasted Nuthatch Population Forecast in Pennsylvania
If the recent trend holds, White-breasted Nuthatch in Pennsylvania is projected to stay roughly flat through 2029, near 4.1 (95% range 3.2–5.0). A 5-year backtest shows a typical error of ±8.8%, with 100% of held-out values landing inside the 95% band.
+3%Change by 2029
4.1Projected 2029 index
3.2–5.095% range
±8.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.9 | 3.0 | 4.8 |
| 2026 | 4.0 | 3.1 | 4.9 |
| 2027 | 4.0 | 3.1 | 4.9 |
| 2028 | 4.1 | 3.2 | 5.0 |
| 2029 | 4.1 | 3.2 | 5.0 |
White-breasted Nuthatch Survey Routes in Pennsylvania
| Stoneybreak | 16 | 2024 | 1992 |
| Greentown | 14 | 2024 | 1970 |
| Canadensis | 14 | 2024 | 1969 |
| Betula | 13 | 2022 | 1976 |
| Doe Run | 13 | 2024 | 1970 |
| Waller | 12 | 2024 | 1976 |
| Duvall | 12 | 2021 | 1974 |
| Pocono Summit 2 | 12 | 2010 | 2004 |
| Russell City | 11 | 2024 | 1968 |
| Roulette 2 | 10 | 2024 | 2022 |
| Tussey Mtn. | 10 | 2024 | 1993 |
| Honesdale | 8 | 2024 | 1972 |
| Beaver | 8 | 2024 | 1969 |
| Waterstreet | 8 | 2024 | 1968 |
| Ryde | 8 | 2005 | 1970 |
| Naginey | 8 | 2024 | 1970 |
| Carsonville | 8 | 2023 | 1966 |
| Mill Run | 8 | 2024 | 1978 |
| Berwick | 8 | 2024 | 1985 |
| Broad Mtn. | 8 | 2024 | 1995 |
| N Pine Grove | 7 | 2024 | 1969 |
| Geeseytown | 7 | 2024 | 1987 |
| Collegeville | 7 | 2024 | 1976 |
| Harrisville | 7 | 2022 | 1995 |
| Mawr Glen | 6 | 2023 | 1969 |
White-breasted Nuthatch Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonrhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.