Species · Minnesota · BBS 2025 Release · 1966–2024
Franklin's Gull Population Trend in Minnesota
Franklin's Gull in Minnesota has collapsed: down 85% on the route-weighted index since 1971.
-85%Since 1971
25Routes In State
48Years
Notable Franklin's Gull Trends in Minnesota
long arc declinecomputed index
Franklin's Gull has collapsed in Minnesota: down 85% on the route-weighted index since 1971.
Franklin's Gull Population Forecast in Minnesota
If the recent trend holds, Franklin's Gull in Minnesota is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–14). A 5-year backtest shows a typical error of ±1393.6%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–1495% range
±1393.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 14 |
| 2026 | 0.00 | 0.00 | 14 |
| 2027 | 0.00 | 0.00 | 14 |
| 2028 | 0.00 | 0.00 | 14 |
| 2029 | 0.00 | 0.00 | 14 |
Franklin's Gull Survey Routes in Minnesota
| Appleton | 147 | 1984 | 1978 |
| Gluek | 40 | 1973 | 1973 |
| Chokio | 40 | 2021 | 1970 |
| Wylie | 34 | 2009 | 1979 |
| Edwards | 22 | 1996 | 1989 |
| Grygla | 16 | 2015 | 1976 |
| Worthington | 14 | 2018 | 2004 |
| Warroad | 12 | 2022 | 1993 |
| Glenwood | 11 | 2004 | 2004 |
| Arlington | 9 | 1971 | 1969 |
| Maynard | 6 | 1984 | 1984 |
| Tenney | 6 | 1996 | 1980 |
| Courtland | 4 | 1978 | 1978 |
| Lude | 4 | 2022 | 1982 |
| Big Stone | 3 | 2007 | 1996 |
| Glyndon | 2 | 1983 | 1983 |
| Erie | 2 | 2008 | 1976 |
| Badger | 2 | 2018 | 1979 |
| Ash Creek | 1 | 1995 | 1995 |
| Knapp | 1 | 2024 | 1973 |
| St Stephen | 1 | 2001 | 2001 |
| Oklee | 1 | 2006 | 1969 |
| Lake Bronson | 1 | 1999 | 1982 |
| Tyler | 1 | 1994 | 1994 |
| Greenbush | 1 | 2018 | 1993 |
Franklin's Gull Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.