BirdAnalyst
Species · BCR 31 · BBS 2025 Release · 1966–2024

Loggerhead Shrike In Peninsular Florida

All regionsPeninsular FloridaGeneralists

Loggerhead Shrike in Peninsular Florida has collapsed: down 84% on the route-weighted index since 1968.

-84%Since 1968
69Routes In Region
58Years

Notable Signals

long arc declinecomputed index

Loggerhead Shrike has collapsed in Peninsular Florida: down 84% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Loggerhead Shrike in Peninsular Florida is projected to fall about 100% by 2029 — from 1.2 in 2024 to a central estimate of 0.00 (95% range 0.00–3.4). A 5-year backtest shows a typical error of ±171.9%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–3.495% range
±171.9%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
20250.000.003.4
20260.000.003.4
20270.000.003.4
20280.000.003.4
20290.000.003.4

Routes In Peninsular Florida

Routes recording Loggerhead Shrike in Peninsular Florida.
AlturasFLORIDA321986
Ridge HarborFLORIDA152024
BrowardFLORIDA101973
Punta GordaFLORIDA102013
Dale MabryFLORIDA81988
Myakka HeadFLORIDA82011
ScottsmoorFLORIDA82024
KendallFLORIDA81991
GardnerFLORIDA61999
St LucieFLORIDA52024
Shawano 2FLORIDA52007
ChildsFLORIDA42022
Pleasant GrFLORIDA42007
SandyFLORIDA42015
San AntonioFLORIDA32018
KissimmeeFLORIDA32022
PalmdaleFLORIDA32021
FlamingoFLORIDA32001
WebbFLORIDA32024
Merritt IslFLORIDA32011
St AugustineFLORIDA22018
MabelFLORIDA22011
Sunniland GrFLORIDA22021
KenansvilleFLORIDA22022
Boca RatonFLORIDA21994

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