Species · BCR 31 · BBS 2025 Release · 1966–2024
Northern Parula In Peninsular Florida
Northern Parula in Peninsular Florida has surged: up 347% on the route-weighted index since 1968.
+347%Since 1968
56Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Northern Parula has surged in Peninsular Florida: up 347% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Northern Parula in Peninsular Florida is projected to fall about 20% by 2029 — from 12 in 2024 to a central estimate of 9.5 (95% range 6.7–12). A 5-year backtest shows a typical error of ±25.8%, with 60% of held-out values landing inside the 95% band.
-20%Change by 2029
9.5Projected 2029 index
6.7–1295% range
±25.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 9.0 | 6.2 | 12 |
| 2026 | 9.1 | 6.3 | 12 |
| 2027 | 9.2 | 6.5 | 12 |
| 2028 | 9.4 | 6.6 | 12 |
| 2029 | 9.5 | 6.7 | 12 |
Routes In Peninsular Florida
| Island Grove | FLORIDA | 56 | 2024 |
| St Augustine | FLORIDA | 33 | 2024 |
| San Antonio | FLORIDA | 32 | 2024 |
| Belmore | FLORIDA | 28 | 2024 |
| Polk City | FLORIDA | 28 | 2024 |
| Ft Mccoy | FLORIDA | 27 | 2024 |
| Citrus Park | FLORIDA | 27 | 2024 |
| Mt. Olive | FLORIDA | 24 | 2024 |
| Micanopy | FLORIDA | 22 | 1991 |
| Ft Lonesome | FLORIDA | 22 | 2024 |
| Nobleton | FLORIDA | 19 | 2024 |
| Crewsville | FLORIDA | 19 | 2024 |
| Green Swamp | FLORIDA | 17 | 2024 |
| Lake Buffum | FLORIDA | 15 | 2024 |
| Scottsmoor | FLORIDA | 14 | 2024 |
| Kenansville | FLORIDA | 13 | 2024 |
| Croom | FLORIDA | 13 | 2024 |
| Romeo | FLORIDA | 11 | 2024 |
| Chassahowitz | FLORIDA | 11 | 2024 |
| Gardner | FLORIDA | 10 | 1999 |
| Aripeka | FLORIDA | 9 | 2023 |
| Goethe | FLORIDA | 9 | 2024 |
| Mabel | FLORIDA | 8 | 2011 |
| Kissimmee | FLORIDA | 8 | 2022 |
| Ridge Harbor | FLORIDA | 8 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.