Species · BCR 31 · BBS 2025 Release · 1966–2024
Purple Martin In Peninsular Florida
Purple Martin in Peninsular Florida has increased: up 39% on the route-weighted index since 1968.
+39%Since 1968
72Routes In Region
58Years
Notable Signals
No notable trend signals for Purple Martin in Peninsular Florida. See the full index history below.
Forecast
If the recent trend holds, Purple Martin in Peninsular Florida is projected to fall about 52% by 2029 — from 9.8 in 2024 to a central estimate of 4.7 (95% range 0.00–11). A 5-year backtest shows a typical error of ±108.7%, with 100% of held-out values landing inside the 95% band.
-52%Change by 2029
4.7Projected 2029 index
0.00–1195% range
±108.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 5.0 | 0.00 | 11 |
| 2026 | 4.9 | 0.00 | 11 |
| 2027 | 4.8 | 0.00 | 11 |
| 2028 | 4.8 | 0.00 | 11 |
| 2029 | 4.7 | 0.00 | 11 |
Routes In Peninsular Florida
| Shawano 2 | FLORIDA | 552 | 2011 |
| Holey Land | FLORIDA | 274 | 2024 |
| Shawano | FLORIDA | 52 | 2000 |
| Nobleton | FLORIDA | 32 | 2024 |
| Sandy | FLORIDA | 30 | 2015 |
| Micanopy | FLORIDA | 26 | 1991 |
| Dale Mabry | FLORIDA | 21 | 1988 |
| Salvista | FLORIDA | 13 | 1979 |
| Romeo | FLORIDA | 11 | 2024 |
| Kendall | FLORIDA | 11 | 1991 |
| Mt. Olive | FLORIDA | 10 | 2024 |
| Kissimmee | FLORIDA | 9 | 2021 |
| Island Grove | FLORIDA | 9 | 2024 |
| Corbett | FLORIDA | 8 | 2022 |
| Indiantown | FLORIDA | 7 | 2009 |
| Redlands | FLORIDA | 7 | 2024 |
| Webb | FLORIDA | 7 | 2024 |
| Myakka Head | FLORIDA | 6 | 2003 |
| St Augustine | FLORIDA | 6 | 2024 |
| Citrus Park | FLORIDA | 6 | 2022 |
| Mabel | FLORIDA | 5 | 2011 |
| Gardner | FLORIDA | 5 | 1999 |
| Sandy 2 | FLORIDA | 5 | 2024 |
| Winter Gardn | FLORIDA | 4 | 2019 |
| Palmdale | FLORIDA | 4 | 2021 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.