Species · BCR 31 · BBS 2025 Release · 1966–2024
Caspian Tern In Peninsular Florida
Caspian Tern in Peninsular Florida has edged down: down 23% on the route-weighted index since 1976.
-23%Since 1976
17Routes In Region
35Years
Notable Signals
No notable trend signals for Caspian Tern in Peninsular Florida. See the full index history below.
Forecast
If the recent trend holds, Caspian Tern in Peninsular Florida is projected to rise about 21% by 2029 — from 0.05 in 2024 to a central estimate of 0.06 (95% range 0.00–0.29). A 5-year backtest shows a typical error of ±144.9%, with 100% of held-out values landing inside the 95% band.
+21%Change by 2029
0.06Projected 2029 index
0.00–0.2995% range
±144.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.07 | 0.00 | 0.30 |
| 2026 | 0.07 | 0.00 | 0.30 |
| 2027 | 0.07 | 0.00 | 0.29 |
| 2028 | 0.07 | 0.00 | 0.29 |
| 2029 | 0.06 | 0.00 | 0.29 |
Routes In Peninsular Florida
| Scottsmoor | FLORIDA | 10 | 2021 |
| Sandy | FLORIDA | 9 | 2008 |
| Tamiami | FLORIDA | 6 | 1971 |
| Pleasant Gr | FLORIDA | 6 | 2009 |
| Shawano 2 | FLORIDA | 3 | 2007 |
| Merritt Isl | FLORIDA | 3 | 2005 |
| Ft Lonesome | FLORIDA | 2 | 2024 |
| Flamingo | FLORIDA | 2 | 2000 |
| San Antonio | FLORIDA | 1 | 1987 |
| Indiantown | FLORIDA | 1 | 2004 |
| Plantation K | FLORIDA | 1 | 1970 |
| Andytown | FLORIDA | 1 | 1981 |
| Shawano | FLORIDA | 1 | 2001 |
| Clewiston | FLORIDA | 1 | 2019 |
| Pleasant Grove 2 | FLORIDA | 1 | 2021 |
| Ridge Harbor | FLORIDA | 1 | 2005 |
| Merritt Island 2 | FLORIDA | 1 | 2014 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.