Species · Montana · BBS 2025 Release · 1966–2024

Loggerhead Shrike Population Trend in Montana

Loggerhead Shrike in Montana has declined: down 27% on the route-weighted index since 1970.

-27%Since 1970
55Routes In State
56Years

Notable Loggerhead Shrike Trends in Montana

No notable trend signals for Loggerhead Shrike in Montana. See the full index history below.

Loggerhead Shrike Population Forecast in Montana

If the recent trend holds, Loggerhead Shrike in Montana is projected to fall about 43% by 2029 — from 1.0 in 2024 to a central estimate of 0.58 (95% range 0.07–1.1). A 5-year backtest shows a typical error of ±27.4%, with 100% of held-out values landing inside the 95% band.

-43%Change by 2029
0.58Projected 2029 index
0.071.195% range
±27.4%Backtest error
19682029
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
20250.590.071.1
20260.580.071.1
20270.580.071.1
20280.580.071.1
20290.580.071.1

Loggerhead Shrike Survey Routes in Montana

Routes recording Loggerhead Shrike in Montana.
Savage920211968
Lambert920242021
Lindsay820242015
Glasgow620241968
Oswego620241978
Brusett620241982
Ingomar620241970
Wheat Basin620242017
Circle520231969
Whitlash520242009
Virgelle420241979
Jordan420241968
Winnett420232017
Malta320231977
Redstone320241972
Chinook320242015
Saco320242016
Cabin Creek320242018
Flatwillow 2220212014
Sunburst220061973
Harlem220181968
Greenough219961996
Powderville220241970
Custer 2220242024
Gildford220192015

Loggerhead Shrike Population Trend in Other States

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