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Species · Missouri · BBS 2025 Release · 1966–2024

Loggerhead Shrike Population Trend in Missouri

All statesGeneralists

Loggerhead Shrike in Missouri has collapsed: down 95% on the route-weighted index since 1969.

-95%Since 1969
68Routes In State
57Years

Notable Loggerhead Shrike Trends in Missouri

long arc declinecomputed index

Loggerhead Shrike has collapsed in Missouri: down 95% on the route-weighted index since 1969.

Loggerhead Shrike Population Forecast in Missouri

If the recent trend holds, Loggerhead Shrike in Missouri is projected to fall about 100% by 2029 — from 0.24 in 2024 to a central estimate of 0.00 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±459.7%, with 80% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–1.195% range
±459.7%Backtest error
19672029
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
20250.000.001.1
20260.000.001.1
20270.000.001.1
20280.000.001.1
20290.000.001.1

Loggerhead Shrike Survey Routes in Missouri

Routes recording Loggerhead Shrike in Missouri.
Sni Mills819901967
Bolckow819921967
Blodgett420242014
Filley320241975
Sticklervill320241977
Laclede320241994
New Point319951994
Pulaski219881974
Peace Valley220021975
Sweden219881968
Cascade219891967
Hayden219881975
Ohio220231972
Hamilton219841972
West Plains220182015
Kennett220192019
Hayti220212016
Barnard220181999
Watson220171991
Marshfield220231994
Millwood219991999
Mcfall220241994
Sedalia220141991
Kingsville220211992
Frankford219971997

Loggerhead Shrike Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradofloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmichiganminnesotamississippimontananebraskanevadanew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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