BirdAnalyst
Species · BCR 26 · BBS 2025 Release · 1966–2024

Loggerhead Shrike In Mississippi Alluvial Valley

All regionsMississippi Alluvial ValleyGeneralists

Loggerhead Shrike in Mississippi Alluvial Valley has fallen sharply: down 70% on the route-weighted index since 1968.

-70%Since 1968
69Routes In Region
58Years

Notable Signals

long arc declinecomputed index

Loggerhead Shrike has fallen sharply in Mississippi Alluvial Valley: down 70% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Loggerhead Shrike in Mississippi Alluvial Valley is projected to rise about 10% by 2029 — from 1.8 in 2024 to a central estimate of 2.0 (95% range 0.00–4.0). A 5-year backtest shows a typical error of ±80.9%, with 100% of held-out values landing inside the 95% band.

+10%Change by 2029
2.0Projected 2029 index
0.00–4.095% range
±80.9%Backtest error
19662029
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
20252.10.114.1
20262.10.074.1
20272.00.044.0
20282.00.014.0
20292.00.004.0

Routes In Mississippi Alluvial Valley

Routes recording Loggerhead Shrike in Mississippi Alluvial Valley.
CarlisleLOUISIANA221988
ShelbyMISSISSIPPI112024
BrousvilleLOUISIANA92024
WilsonARKANSAS82024
LaroseLOUISIANA81992
Morgan CityLOUISIANA71986
FrogmoreLOUISIANA62024
DelhiLOUISIANA62021
CommerceMISSISSIPPI61993
Pawpaw 2TENNESSEE62023
EudoraARKANSAS52016
KeystoneLOUISIANA52013
BerwickLOUISIANA52018
Hickory RidgeARKANSAS42022
TransylvaniaLOUISIANA42022
ConcordLOUISIANA42019
Morgan CityLOUISIANA42022
Tchula 2MISSISSIPPI41994
BlodgettMISSOURI42024
WhittonARKANSAS31985
AugustaARKANSAS32001
SaffellARKANSAS32017
LafeARKANSAS32022
KelsoARKANSAS32016
ShawLOUISIANA32024

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