Species · Maine · BBS 2025 Release · 1966–2024
White-breasted Nuthatch Population Trend in Maine
White-breasted Nuthatch in Maine has surged: up 257% on the route-weighted index since 1968.
+257%Since 1968
64Routes In State
58Years
Notable White-breasted Nuthatch Trends in Maine
long arc increasecomputed index
White-breasted Nuthatch has surged in Maine: up 257% on the route-weighted index since 1968.
White-breasted Nuthatch Population Forecast in Maine
If the recent trend holds, White-breasted Nuthatch in Maine is projected to fall about 29% by 2029 — from 3.7 in 2024 to a central estimate of 2.6 (95% range 1.7–3.6). A 5-year backtest shows a typical error of ±16.4%, with 80% of held-out values landing inside the 95% band.
-29%Change by 2029
2.6Projected 2029 index
1.7–3.695% range
±16.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.5 | 1.5 | 3.4 |
| 2026 | 2.5 | 1.6 | 3.5 |
| 2027 | 2.5 | 1.6 | 3.5 |
| 2028 | 2.6 | 1.6 | 3.5 |
| 2029 | 2.6 | 1.7 | 3.6 |
White-breasted Nuthatch Survey Routes in Maine
| Westbrook | 14 | 2024 | 1977 |
| Bowdoin Ctr | 14 | 2021 | 1976 |
| Brooks | 11 | 2019 | 1983 |
| Cape Neddick | 10 | 2023 | 1973 |
| Greenwood | 8 | 2024 | 1972 |
| Hermon | 8 | 2019 | 1988 |
| Turner 2 | 8 | 2024 | 2011 |
| Cornville | 6 | 2024 | 2012 |
| Newcastle | 5 | 2024 | 1977 |
| Turner | 5 | 2010 | 1972 |
| Manchester | 5 | 1995 | 1971 |
| Benedicta | 5 | 2022 | 1993 |
| Hudson | 5 | 1999 | 1973 |
| East Troy | 4 | 2019 | 1973 |
| Brownfield 2 | 4 | 2024 | 2010 |
| Charleston | 4 | 2019 | 1975 |
| Searsport | 4 | 2024 | 2002 |
| Topsfield | 4 | 1992 | 1990 |
| Reeds | 3 | 2024 | 1992 |
| Otisfield Gr | 3 | 2015 | 1971 |
| Freedom | 3 | 2022 | 1973 |
| Harmony | 3 | 2024 | 1967 |
| Eastbrook | 3 | 2024 | 1972 |
| Baxter | 3 | 1979 | 1979 |
| Winn | 3 | 2022 | 1999 |
White-breasted Nuthatch Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.