Species · Michigan · BBS 2025 Release · 1966–2024
Northern Mockingbird Population Trend in Michigan
Northern Mockingbird in Michigan has collapsed: down 82% on the route-weighted index since 1971.
-82%Since 1971
24Routes In State
40Years
Notable Northern Mockingbird Trends in Michigan
long arc declinecomputed index
Northern Mockingbird has collapsed in Michigan: down 82% on the route-weighted index since 1971.
Northern Mockingbird Population Forecast in Michigan
If the recent trend holds, Northern Mockingbird in Michigan is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±144.5%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.1395% range
±144.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.13 |
| 2026 | 0.00 | 0.00 | 0.13 |
| 2027 | 0.00 | 0.00 | 0.13 |
| 2028 | 0.00 | 0.00 | 0.13 |
| 2029 | 0.00 | 0.00 | 0.13 |
Northern Mockingbird Survey Routes in Michigan
| Riggsville | 2 | 2018 | 1993 |
| Adrian | 2 | 2017 | 2011 |
| Hungerford | 1 | 2008 | 2008 |
| Bootjack | 1 | 1992 | 1992 |
| Allegan Wma | 1 | 2013 | 1993 |
| Shingleton | 1 | 2006 | 2006 |
| Barry S.G.A. | 1 | 2001 | 2001 |
| Bear Lake | 1 | 2019 | 1969 |
| Scottville | 1 | 1993 | 1984 |
| Lawrence | 1 | 2009 | 1970 |
| New Troy | 1 | 1976 | 1971 |
| Pleasant Val | 1 | 1990 | 1990 |
| Belding | 1 | 1993 | 1992 |
| Galesburg | 1 | 2024 | 2002 |
| Howardsville | 1 | 2007 | 1971 |
| Monterey | 1 | 2009 | 1993 |
| Remus | 1 | 2002 | 2001 |
| Mottville | 1 | 2008 | 1978 |
| Walloon Lake | 1 | 1987 | 1987 |
| Skeels | 1 | 1989 | 1989 |
| Prattville | 1 | 1987 | 1987 |
| Pettysville | 1 | 1979 | 1979 |
| Deckerville | 1 | 1983 | 1983 |
| Mayfield | 1 | 2005 | 2002 |
Northern Mockingbird Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.