Species · Minnesota · BBS 2025 Release · 1966–2024
Loggerhead Shrike Population Trend in Minnesota
Loggerhead Shrike in Minnesota has collapsed: down 86% on the route-weighted index since 1969.
-86%Since 1969
18Routes In State
23Years
Notable Loggerhead Shrike Trends in Minnesota
long arc declinecomputed index
Loggerhead Shrike has collapsed in Minnesota: down 86% on the route-weighted index since 1969.
Loggerhead Shrike Population Forecast in Minnesota
If the recent trend holds, Loggerhead Shrike in Minnesota is projected to stay roughly flat through 2020, near 0.07 (95% range 0.00–0.56). A 5-year backtest shows a typical error of ±772.3%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2020
0.07Projected 2020 index
0.00–0.5695% range
±772.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2016 | 0.08 | 0.00 | 0.56 |
| 2017 | 0.08 | 0.00 | 0.56 |
| 2018 | 0.07 | 0.00 | 0.56 |
| 2019 | 0.07 | 0.00 | 0.56 |
| 2020 | 0.07 | 0.00 | 0.56 |
Loggerhead Shrike Survey Routes in Minnesota
| Ash Creek | 53 | 1991 | 1990 |
| Chatfield | 2 | 1969 | 1967 |
| Princeton | 2 | 1976 | 1976 |
| Glenwood | 1 | 2005 | 2005 |
| Hartland | 1 | 1996 | 1996 |
| Lakeville | 1 | 2015 | 1973 |
| Le Center | 1 | 1996 | 1996 |
| Courtland | 1 | 2005 | 2005 |
| Beltrami | 1 | 1986 | 1981 |
| Osseo | 1 | 1994 | 1994 |
| Knapp | 1 | 1999 | 1999 |
| Lude | 1 | 1993 | 1993 |
| Austin | 1 | 1996 | 1996 |
| Wigwam Bay | 1 | 1975 | 1975 |
| Edwards | 1 | 1979 | 1979 |
| Evergreen | 1 | 1968 | 1968 |
| Glyndon | 1 | 2001 | 1988 |
| Tenney | 1 | 1980 | 1980 |
Loggerhead Shrike Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.