Species · BCR 31 · BBS 2025 Release · 1966–2024
Magnificent Frigatebird In Peninsular Florida
Magnificent Frigatebird in Peninsular Florida has collapsed: down 78% on the route-weighted index since 1968.
-78%Since 1968
9Routes In Region
50Years
Notable Signals
long arc declinecomputed index
Magnificent Frigatebird has collapsed in Peninsular Florida: down 78% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Magnificent Frigatebird in Peninsular Florida is projected to fall about 29% by 2026 — from 0.09 in 2021 to a central estimate of 0.07 (95% range 0.00–0.45). A 5-year backtest shows a typical error of ±72.9%, with 100% of held-out values landing inside the 95% band.
-29%Change by 2026
0.07Projected 2026 index
0.00–0.4595% range
±72.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2022 | 0.09 | 0.00 | 0.47 |
| 2023 | 0.08 | 0.00 | 0.46 |
| 2024 | 0.08 | 0.00 | 0.46 |
| 2025 | 0.07 | 0.00 | 0.45 |
| 2026 | 0.07 | 0.00 | 0.45 |
Routes In Peninsular Florida
| Plantation K | FLORIDA | 20 | 2004 |
| Sugarloaf Key | FLORIDA | 3 | 2004 |
| Key Largo | FLORIDA | 2 | 1991 |
| Citrus Park | FLORIDA | 2 | 2008 |
| Card Sound | FLORIDA | 2 | 2021 |
| Sugarloaf Key 2 | FLORIDA | 2 | 2021 |
| Sebastian | FLORIDA | 1 | 1992 |
| Punta Gorda | FLORIDA | 1 | 2012 |
| Vero Beach | FLORIDA | 1 | 2008 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.