BirdAnalyst
Species · BCR 37 · BBS 2025 Release · 1966–2024

Loggerhead Shrike In Gulf Coastal Prairie

All regionsGulf Coastal PrairieGeneralists

Loggerhead Shrike in Gulf Coastal Prairie has fallen sharply: down 55% on the route-weighted index since 1969.

-55%Since 1969
45Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Loggerhead Shrike has fallen sharply in Gulf Coastal Prairie: down 55% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Loggerhead Shrike in Gulf Coastal Prairie is projected to rise about 62% by 2029 — from 2.2 in 2024 to a central estimate of 3.6 (95% range 0.00–9.5). A 5-year backtest shows a typical error of ±171.3%, with 100% of held-out values landing inside the 95% band.

+62%Change by 2029
3.6Projected 2029 index
0.00–9.595% range
±171.3%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
20254.00.009.9
20263.90.009.8
20273.80.009.7
20283.70.009.6
20293.60.009.5

Routes In Gulf Coastal Prairie

Routes recording Loggerhead Shrike in Gulf Coastal Prairie.
CreoleLOUISIANA271987
MamouLOUISIANA191982
IndianolaTEXAS142024
JuniorLOUISIANA111991
VanderbiltTEXAS101976
LafitteLOUISIANA91991
Ltl Chenier 2LOUISIANA92011
Lag AtascosaTEXAS92024
Grand IsleLOUISIANA62019
Gran ChenierLOUISIANA51981
Loyola BeachTEXAS42009
Loyola Beach 2TEXAS42024
HackberryLOUISIANA32014
EstherLOUISIANA32024
RichardLOUISIANA32024
Hackberry 2LOUISIANA32024
KatyTEXAS32024
Moon LakeTEXAS32011
MauriceLOUISIANA22024
Ltl ChenierLOUISIANA22023
Ville PlatteLOUISIANA22019
Sabine Nwr 2LOUISIANA22017
WoodlawnLOUISIANA22021
StowellTEXAS22023
Rock IslandTEXAS22023

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