BirdAnalyst
Species · South Dakota · BBS 2025 Release · 1966–2024

Loggerhead Shrike Population Trend in South Dakota

All statesGeneralists

Loggerhead Shrike in South Dakota has fallen sharply: down 54% on the route-weighted index since 1969.

-54%Since 1969
51Routes In State
57Years

Notable Loggerhead Shrike Trends in South Dakota

long arc declinecomputed index

Loggerhead Shrike has fallen sharply in South Dakota: down 54% on the route-weighted index since 1969.

Loggerhead Shrike Population Forecast in South Dakota

If the recent trend holds, Loggerhead Shrike in South Dakota is projected to fall about 77% by 2029 — from 0.77 in 2024 to a central estimate of 0.18 (95% range 0.00–0.99). A 5-year backtest shows a typical error of ±74.7%, with 100% of held-out values landing inside the 95% band.

-77%Change by 2029
0.18Projected 2029 index
0.00–0.9995% range
±74.7%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
20250.280.001.1
20260.260.001.1
20270.230.001.0
20280.210.001.0
20290.180.000.99

Loggerhead Shrike Survey Routes in South Dakota

Routes recording Loggerhead Shrike in South Dakota.
Isabel2620151990
Eagle Butte2220151990
Gorman919991992
Reva820241979
Maurine720241968
Marcus420131999
Promise320001971
Railroad Butte320222003
Chamberlain220101969
Rosebud220091967
Volga219791971
Raymond220051969
Crow Creek220181968
Gettysburg219941976
Laplant220131971
Ottumwa220221967
Fort Pierre220151969
Lacreek220231991
Cottonwood220231997
Lennox119921969
Tripp120001967
Howard119711971
White Lake120111967
Geddes120171967
Winner120241968

Loggerhead Shrike Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradofloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmichiganminnesotamississippimissourimontananebraskanevadanew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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