BirdAnalyst
Species · Texas · BBS 2025 Release · 1966–2024

Loggerhead Shrike Population Trend in Texas

All statesGeneralists

Loggerhead Shrike in Texas has collapsed: down 81% on the route-weighted index since 1969.

-81%Since 1969
207Routes In State
57Years

Notable Loggerhead Shrike Trends in Texas

long arc declinecomputed index

Loggerhead Shrike has collapsed in Texas: down 81% on the route-weighted index since 1969.

Loggerhead Shrike Population Forecast in Texas

If the recent trend holds, Loggerhead Shrike in Texas is projected to fall about 79% by 2029 — from 0.66 in 2024 to a central estimate of 0.14 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±40.9%, with 100% of held-out values landing inside the 95% band.

-79%Change by 2029
0.14Projected 2029 index
0.00–1.195% range
±40.9%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
20250.370.001.3
20260.310.001.2
20270.260.001.2
20280.200.001.1
20290.140.001.1

Loggerhead Shrike Survey Routes in Texas

Routes recording Loggerhead Shrike in Texas.
Duran1919991995
Pecos1920172017
Gruver1520161994
Indianola1420241967
Town Bluff1219901971
Weinert1219941969
Cornudas1120181968
Vanderbilt1019761969
Ozona1020211999
Lag Atascosa920241975
Chisos Basin920191998
Castolon820191995
Wink719861975
Kingsville620241969
Dallas619971967
Coyanda Draw620241994
Marathon620232005
Wolfe City519871969
Black Gap520221992
Valentine519871969
Delaware Crk520151971
Shields520011999
Hawley520071994
Loyola Beach420091998
Skellytown420091996

Loggerhead Shrike Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradofloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmichiganminnesotamississippimissourimontananebraskanevadanew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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