Species · Florida · BBS 2025 Release · 1966–2024

Loggerhead Shrike Population Trend in Florida

Loggerhead Shrike in Florida has collapsed: down 83% on the route-weighted index since 1968.

-83%Since 1968
105Routes In State
58Years

Notable Loggerhead Shrike Trends in Florida

long arc declinecomputed index

Loggerhead Shrike has collapsed in Florida: down 83% on the route-weighted index since 1968.

Loggerhead Shrike Population Forecast in Florida

If the recent trend holds, Loggerhead Shrike in Florida is projected to fall about 100% by 2029 — from 0.93 in 2024 to a central estimate of 0.00 (95% range 0.00–2.3). A 5-year backtest shows a typical error of ±154.7%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.002.395% range
±154.7%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
20250.000.002.3
20260.000.002.3
20270.000.002.3
20280.000.002.3
20290.000.002.3

Loggerhead Shrike Survey Routes in Florida

Routes recording Loggerhead Shrike in Florida.
Alturas3219861971
Ridge Harbor1520241991
Broward1019731966
Punta Gorda1020131980
Dale Mabry819881966
Myakka Head820111966
Scottsmoor820241968
Kendall819911988
Gardner619991987
Doctor Inlet520071967
St Lucie520241987
Doctors Inlet 2520092008
Shawano 2520072004
Childs420221966
Santa Rosa420031987
Pleasant Gr420071987
Sandy420151987
Hildreth 2420242010
Lovedale420111987
San Antonio320181967
Kissimmee320221987
Palmdale320211987
Flamingo320011983
Webb320241990
Merritt Isl320112000

Loggerhead Shrike Population Trend in Other States

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