Species · Florida · BBS 2025 Release · 1966–2024
Mangrove Cuckoo Population Trend in Florida
Mangrove Cuckoo in Florida has fallen sharply: down 59% on the route-weighted index since 1984.
-59%Since 1984
9Routes In State
29Years
Notable Mangrove Cuckoo Trends in Florida
long arc declinecomputed index
Mangrove Cuckoo has fallen sharply in Florida: down 59% on the route-weighted index since 1984.
Mangrove Cuckoo Population Forecast in Florida
If the recent trend holds, Mangrove Cuckoo in Florida is projected to stay roughly flat through 2023, near 0.02 (95% range 0.00–0.07). A 5-year backtest shows a typical error of ±36.8%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2023
0.02Projected 2023 index
0.00–0.0795% range
±36.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2019 | 0.03 | 0.00 | 0.08 |
| 2020 | 0.03 | 0.00 | 0.08 |
| 2021 | 0.02 | 0.00 | 0.08 |
| 2022 | 0.02 | 0.00 | 0.08 |
| 2023 | 0.02 | 0.00 | 0.07 |
Mangrove Cuckoo Survey Routes in Florida
| Key West | 3 | 1987 | 1987 |
| Punta Gorda | 2 | 1984 | 1984 |
| Flamingo | 2 | 2014 | 1983 |
| Key Largo | 2 | 1991 | 1987 |
| Plantation K | 1 | 1975 | 1975 |
| Card Sound | 1 | 2016 | 1998 |
| Weaver Stn | 1 | 2018 | 1993 |
| Sugarloaf Key | 1 | 2004 | 2004 |
| Sugarloaf Key 2 | 1 | 2018 | 2005 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.