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
0.00–2.395% range
±154.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 2.3 |
| 2026 | 0.00 | 0.00 | 2.3 |
| 2027 | 0.00 | 0.00 | 2.3 |
| 2028 | 0.00 | 0.00 | 2.3 |
| 2029 | 0.00 | 0.00 | 2.3 |
Loggerhead Shrike Survey Routes in Florida
| Alturas | 32 | 1986 | 1971 |
| Ridge Harbor | 15 | 2024 | 1991 |
| Broward | 10 | 1973 | 1966 |
| Punta Gorda | 10 | 2013 | 1980 |
| Dale Mabry | 8 | 1988 | 1966 |
| Myakka Head | 8 | 2011 | 1966 |
| Scottsmoor | 8 | 2024 | 1968 |
| Kendall | 8 | 1991 | 1988 |
| Gardner | 6 | 1999 | 1987 |
| Doctor Inlet | 5 | 2007 | 1967 |
| St Lucie | 5 | 2024 | 1987 |
| Doctors Inlet 2 | 5 | 2009 | 2008 |
| Shawano 2 | 5 | 2007 | 2004 |
| Childs | 4 | 2022 | 1966 |
| Santa Rosa | 4 | 2003 | 1987 |
| Pleasant Gr | 4 | 2007 | 1987 |
| Sandy | 4 | 2015 | 1987 |
| Hildreth 2 | 4 | 2024 | 2010 |
| Lovedale | 4 | 2011 | 1987 |
| San Antonio | 3 | 2018 | 1967 |
| Kissimmee | 3 | 2022 | 1987 |
| Palmdale | 3 | 2021 | 1987 |
| Flamingo | 3 | 2001 | 1983 |
| Webb | 3 | 2024 | 1990 |
| Merritt Isl | 3 | 2011 | 2000 |
Loggerhead Shrike Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradogeorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmichiganminnesotamississippimissourimontananebraskanevadanew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.