Species · Florida · BBS 2025 Release · 1966–2024
Brown Thrasher Population Trend in Florida
Brown Thrasher in Florida has held roughly steady: down 6% on the route-weighted index since 1968.
-6%Since 1968
114Routes In State
58Years
Notable Brown Thrasher Trends in Florida
No notable trend signals for Brown Thrasher in Florida. See the full index history below.
Brown Thrasher Population Forecast in Florida
If the recent trend holds, Brown Thrasher in Florida is projected to rise about 40% by 2029 — from 2.6 in 2024 to a central estimate of 3.7 (95% range 2.0–5.4). A 5-year backtest shows a typical error of ±51%, with 100% of held-out values landing inside the 95% band.
+40%Change by 2029
3.7Projected 2029 index
2.0–5.495% range
±51%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.7 | 2.0 | 5.4 |
| 2026 | 3.7 | 2.0 | 5.4 |
| 2027 | 3.7 | 2.0 | 5.4 |
| 2028 | 3.7 | 2.0 | 5.4 |
| 2029 | 3.7 | 2.0 | 5.4 |
Brown Thrasher Survey Routes in Florida
| New Hope | 18 | 2011 | 2009 |
| Redlands | 18 | 2024 | 1994 |
| Lovedale | 17 | 2011 | 1987 |
| Callahan | 16 | 2024 | 1987 |
| Port St Joe | 14 | 2011 | 1967 |
| Seminole Hills 2 | 13 | 2022 | 2002 |
| Miller Xrds | 12 | 2019 | 1987 |
| Mossy Head | 11 | 2011 | 1966 |
| Seminole Hls | 11 | 2000 | 1967 |
| Sunniland Gr | 10 | 2021 | 1968 |
| Dowling Park | 10 | 2023 | 1987 |
| Telogia | 9 | 1985 | 1968 |
| Hildreth 2 | 8 | 2024 | 2010 |
| Ocala | 8 | 2024 | 1989 |
| Broad Branch | 7 | 2024 | 1967 |
| Mabel | 7 | 2011 | 1966 |
| Alturas | 7 | 1986 | 1971 |
| Oak Grove 2 | 7 | 2024 | 2017 |
| Laurel Hill | 7 | 2024 | 2010 |
| Blountstown | 6 | 2024 | 1966 |
| Blackwater | 6 | 2024 | 1987 |
| Hildreth | 6 | 2009 | 1987 |
| Osceola | 6 | 2024 | 1991 |
| Corbett | 6 | 2022 | 1987 |
| Dale Mabry | 5 | 1987 | 1966 |
Brown Thrasher Population Trend in Other States
alabamaarkansascoloradoconnecticutdelawaregeorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.