Species · Michigan · BBS 2025 Release · 1966–2024
Black-and-white Warbler Population Trend in Michigan
Black-and-white Warbler in Michigan has surged: up 422% on the route-weighted index since 1968.
+422%Since 1968
75Routes In State
58Years
Notable Black-and-white Warbler Trends in Michigan
long arc increasecomputed index
Black-and-white Warbler has surged in Michigan: up 422% on the route-weighted index since 1968.
Black-and-white Warbler Population Forecast in Michigan
If the recent trend holds, Black-and-white Warbler in Michigan is projected to stay roughly flat through 2029, near 1.8 (95% range 0.92–2.7). A 5-year backtest shows a typical error of ±21.6%, with 100% of held-out values landing inside the 95% band.
-10%Change by 2029
1.8Projected 2029 index
0.92–2.795% range
±21.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.7 | 0.86 | 2.6 |
| 2026 | 1.8 | 0.87 | 2.6 |
| 2027 | 1.8 | 0.89 | 2.6 |
| 2028 | 1.8 | 0.91 | 2.7 |
| 2029 | 1.8 | 0.92 | 2.7 |
Black-and-white Warbler Survey Routes in Michigan
| Tahquamenon | 13 | 2024 | 1974 |
| Ontonagon | 11 | 2019 | 1967 |
| Herman | 11 | 2022 | 1983 |
| Crystal Fls | 11 | 2024 | 1988 |
| Pickford | 11 | 2024 | 1973 |
| Bergland | 10 | 2022 | 1982 |
| Marenisco | 10 | 2019 | 1981 |
| Raco | 8 | 2024 | 1971 |
| Ned Lake | 7 | 2024 | 1986 |
| Riggsville | 7 | 2019 | 1969 |
| Hiawatha Nf | 7 | 2024 | 1992 |
| Harrietta | 6 | 2024 | 1990 |
| Brocky Lake | 6 | 2024 | 1980 |
| Brush Creek | 6 | 2016 | 1975 |
| Muskallonge | 5 | 2024 | 1966 |
| Gilchrist | 5 | 2021 | 1974 |
| Hubbard Lake | 5 | 1996 | 1975 |
| Ishpeming | 4 | 2023 | 1980 |
| Cunard | 4 | 2021 | 1973 |
| Cathro | 4 | 2016 | 1972 |
| Sidnaw | 4 | 2024 | 1993 |
| Wilson | 3 | 2010 | 1966 |
| Pleasant Val | 3 | 1997 | 1967 |
| Cluster Lakes | 3 | 2009 | 2008 |
| Bootjack | 2 | 2023 | 1967 |
Black-and-white Warbler Population Trend in Other States
alabamaarkansascaliforniaconnecticutdelawaregeorgiaillinoisindianakansaskentuckylouisianamainemarylandmassachusettsminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.