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
0.000.5695% range
±772.3%Backtest error
19672020
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20160.080.000.56
20170.080.000.56
20180.070.000.56
20190.070.000.56
20200.070.000.56

Loggerhead Shrike Survey Routes in Minnesota

Routes recording Loggerhead Shrike in Minnesota.
Ash Creek5319911990
Chatfield219691967
Princeton219761976
Glenwood120052005
Hartland119961996
Lakeville120151973
Le Center119961996
Courtland120052005
Beltrami119861981
Osseo119941994
Knapp119991999
Lude119931993
Austin119961996
Wigwam Bay119751975
Edwards119791979
Evergreen119681968
Glyndon120011988
Tenney119801980

Loggerhead Shrike Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.