Species · BCR 31 · BBS 2025 Release · 1966–2024
Great Blue Heron In Peninsular Florida
Great Blue Heron in Peninsular Florida has declined: down 46% on the route-weighted index since 1968.
-46%Since 1968
80Routes In Region
58Years
Notable Signals
No notable trend signals for Great Blue Heron in Peninsular Florida. See the full index history below.
Forecast
If the recent trend holds, Great Blue Heron in Peninsular Florida is projected to stay roughly flat through 2029, near 1.3 (95% range 0.00–3.2). A 5-year backtest shows a typical error of ±23.9%, with 100% of held-out values landing inside the 95% band.
+2%Change by 2029
1.3Projected 2029 index
0.00–3.295% range
±23.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.4 | 0.00 | 3.3 |
| 2026 | 1.4 | 0.00 | 3.3 |
| 2027 | 1.4 | 0.00 | 3.2 |
| 2028 | 1.3 | 0.00 | 3.2 |
| 2029 | 1.3 | 0.00 | 3.2 |
Routes In Peninsular Florida
| Shawano | FLORIDA | 25 | 2002 |
| Merritt Island 2 | FLORIDA | 20 | 2014 |
| Corbett | FLORIDA | 14 | 2024 |
| Shawano 2 | FLORIDA | 13 | 2011 |
| Merritt Isl | FLORIDA | 12 | 2011 |
| Sandy | FLORIDA | 11 | 2015 |
| Weaver Stn | FLORIDA | 9 | 2019 |
| Wildernes Pk | FLORIDA | 8 | 2014 |
| Sugarloaf Key | FLORIDA | 6 | 2004 |
| Indiantown | FLORIDA | 5 | 2017 |
| Tamiami | FLORIDA | 5 | 1974 |
| Webb | FLORIDA | 5 | 2024 |
| Childs | FLORIDA | 4 | 2018 |
| Pinecrest | FLORIDA | 4 | 2024 |
| St Lucie | FLORIDA | 4 | 2024 |
| Clewiston | FLORIDA | 4 | 2023 |
| Holey Land | FLORIDA | 4 | 2024 |
| San Antonio | FLORIDA | 3 | 2023 |
| Devils Gardn | FLORIDA | 3 | 2024 |
| Mabel 2 | FLORIDA | 3 | 2019 |
| Lake Buffum | FLORIDA | 3 | 2024 |
| Sandy 2 | FLORIDA | 3 | 2024 |
| Crewsville | FLORIDA | 3 | 2023 |
| Micanopy | FLORIDA | 2 | 1989 |
| Scottsmoor | FLORIDA | 2 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.