Species · BCR 31 · BBS 2025 Release · 1966–2024
Bachman's Sparrow In Peninsular Florida
Bachman's Sparrow in Peninsular Florida has fallen sharply: down 57% on the route-weighted index since 1968.
-57%Since 1968
42Routes In Region
58Years
Notable Signals
long arc declinecomputed index
Bachman's Sparrow has fallen sharply in Peninsular Florida: down 56% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Bachman's Sparrow in Peninsular Florida is projected to fall about 78% by 2029 — from 2.7 in 2024 to a central estimate of 0.58 (95% range 0.00–2.4). A 5-year backtest shows a typical error of ±68.9%, with 80% of held-out values landing inside the 95% band.
-78%Change by 2029
0.58Projected 2029 index
0.00–2.495% range
±68.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.74 | 0.00 | 2.5 |
| 2026 | 0.70 | 0.00 | 2.5 |
| 2027 | 0.66 | 0.00 | 2.5 |
| 2028 | 0.62 | 0.00 | 2.4 |
| 2029 | 0.58 | 0.00 | 2.4 |
Routes In Peninsular Florida
| Citrus | FLORIDA | 51 | 2024 |
| Croom | FLORIDA | 17 | 2024 |
| Kenansville | FLORIDA | 15 | 2024 |
| Babcock Rnch | FLORIDA | 11 | 1990 |
| Ocala | FLORIDA | 7 | 2024 |
| Dupuis W.E.A | FLORIDA | 6 | 2024 |
| Alturas | FLORIDA | 5 | 1986 |
| Belmore | FLORIDA | 4 | 2023 |
| Indiantown | FLORIDA | 4 | 1987 |
| Palmdale | FLORIDA | 4 | 2009 |
| Mabel | FLORIDA | 3 | 1984 |
| Kissimmee | FLORIDA | 3 | 2008 |
| Sandy | FLORIDA | 3 | 2014 |
| Gardner | FLORIDA | 3 | 1999 |
| Arbuckle | FLORIDA | 3 | 2018 |
| Romeo | FLORIDA | 2 | 2013 |
| Dale Mabry | FLORIDA | 2 | 1983 |
| St Augustine | FLORIDA | 2 | 2009 |
| Ft Mccoy | FLORIDA | 2 | 2001 |
| Nobleton | FLORIDA | 2 | 2022 |
| Pleasant Gr | FLORIDA | 2 | 1993 |
| Island Grove | FLORIDA | 2 | 2024 |
| Webb | FLORIDA | 2 | 2024 |
| Ridge Harbor | FLORIDA | 2 | 2002 |
| Micanopy | FLORIDA | 1 | 1974 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.