Species · Maine · BBS 2025 Release · 1966–2024
Canada Goose Population Trend in Maine
Canada Goose in Maine has surged: up 623% on the route-weighted index since 1980.
+623%Since 1980
55Routes In State
45Years
Notable Canada Goose Trends in Maine
long arc increasecomputed index
Canada Goose has surged in Maine: up 623% on the route-weighted index since 1980.
Canada Goose Population Forecast in Maine
If the recent trend holds, Canada Goose in Maine is projected to fall about 47% by 2029 — from 5.7 in 2024 to a central estimate of 3.0 (95% range 1.1–4.9). A 5-year backtest shows a typical error of ±44.7%, with 40% of held-out values landing inside the 95% band.
-47%Change by 2029
3.0Projected 2029 index
1.1–4.995% range
±44.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.8 | 0.87 | 4.7 |
| 2026 | 2.8 | 0.94 | 4.8 |
| 2027 | 2.9 | 1.00 | 4.8 |
| 2028 | 3.0 | 1.1 | 4.9 |
| 2029 | 3.0 | 1.1 | 4.9 |
Canada Goose Survey Routes in Maine
| Hartford | 47 | 2024 | 1980 |
| Carrying Pl | 37 | 2023 | 1993 |
| Ft Fairfield | 34 | 2004 | 1996 |
| Kittery Pt | 33 | 2024 | 1995 |
| Benedicta | 31 | 2018 | 2006 |
| South Arm | 27 | 2012 | 2008 |
| Washburn | 24 | 1993 | 1993 |
| Deblois | 17 | 2007 | 2007 |
| Medway | 14 | 2015 | 1998 |
| Moose River | 11 | 2003 | 1994 |
| Forest Sta | 11 | 1986 | 1984 |
| Brooks | 10 | 2014 | 1989 |
| Cornville | 9 | 2024 | 2019 |
| Seboomook Lk | 8 | 2013 | 2000 |
| Cape Neddick | 6 | 2024 | 1997 |
| Harmony | 6 | 2024 | 1988 |
| Winn | 6 | 2002 | 1991 |
| Otisfield Gr | 5 | 2015 | 1997 |
| Bowdoin Ctr | 4 | 2007 | 2007 |
| Freedom | 4 | 2003 | 1993 |
| Charleston | 4 | 2014 | 2014 |
| Greenville | 4 | 2022 | 2006 |
| Clayton Lake | 4 | 1999 | 1992 |
| Wilson Mills | 3 | 2024 | 1999 |
| Yankeetuladi | 3 | 2008 | 2008 |
Canada Goose Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.