Species · Wisconsin · BBS 2025 Release · 1966–2024
White-breasted Nuthatch Population Trend in Wisconsin
White-breasted Nuthatch in Wisconsin has surged: up 92% on the route-weighted index since 1968.
+92%Since 1968
98Routes In State
58Years
Notable White-breasted Nuthatch Trends in Wisconsin
long arc increasecomputed index
White-breasted Nuthatch has surged in Wisconsin: up 92% on the route-weighted index since 1968.
White-breasted Nuthatch Population Forecast in Wisconsin
If the recent trend holds, White-breasted Nuthatch in Wisconsin is projected to stay roughly flat through 2029, near 3.7 (95% range 2.3–5.0). A 5-year backtest shows a typical error of ±25.2%, with 100% of held-out values landing inside the 95% band.
-3%Change by 2029
3.7Projected 2029 index
2.3–5.095% range
±25.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.6 | 2.2 | 4.9 |
| 2026 | 3.6 | 2.3 | 4.9 |
| 2027 | 3.6 | 2.3 | 5.0 |
| 2028 | 3.7 | 2.3 | 5.0 |
| 2029 | 3.7 | 2.3 | 5.0 |
White-breasted Nuthatch Survey Routes in Wisconsin
| Princeton | 17 | 2024 | 1966 |
| Cumberland | 15 | 2024 | 1966 |
| River Falls | 14 | 2024 | 1998 |
| Meridean | 13 | 2024 | 1998 |
| Clintonville | 12 | 2024 | 1971 |
| Union Twp | 10 | 2024 | 1966 |
| Wausaukee | 10 | 2024 | 1981 |
| Paris | 10 | 2024 | 1968 |
| Eagle River | 9 | 2024 | 1967 |
| Esdaile | 9 | 2024 | 1966 |
| Viroqua | 8 | 2024 | 1966 |
| Kendall | 8 | 2023 | 1967 |
| Raymond | 8 | 2024 | 1968 |
| Mukwonago 2 | 8 | 2024 | 2005 |
| Rib Lake | 7 | 2024 | 1969 |
| Briggsville | 7 | 2024 | 1999 |
| Amberg | 6 | 2024 | 1980 |
| Cadott | 6 | 2024 | 1966 |
| Oconto Falls | 6 | 2023 | 1968 |
| Weirgor Springs | 6 | 2024 | 2002 |
| Gresham | 6 | 2024 | 1998 |
| Beloit | 6 | 2024 | 2000 |
| Land O Lakes | 5 | 2016 | 1975 |
| Dresser | 5 | 2024 | 1966 |
| Trempealeau | 5 | 2024 | 1966 |
White-breasted Nuthatch Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.