Species · BCR 37 · BBS 2025 Release · 1966–2024
American Coot In Gulf Coastal Prairie
American Coot in Gulf Coastal Prairie has collapsed: down 87% on the route-weighted index since 1971.
-87%Since 1971
32Routes In Region
49Years
Notable Signals
long arc declinecomputed index
American Coot has collapsed in Gulf Coastal Prairie: down 86% on the route-weighted index since 1971.
Forecast
If the recent trend holds, American Coot in Gulf Coastal Prairie is projected to rise about 404% by 2028 — from 0.91 in 2023 to a central estimate of 4.6 (95% range 0.00–16). A 5-year backtest shows a typical error of ±2021.9%, with 100% of held-out values landing inside the 95% band.
+404%Change by 2028
4.6Projected 2028 index
0.00–1695% range
±2021.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 4.4 | 0.00 | 15 |
| 2025 | 4.4 | 0.00 | 15 |
| 2026 | 4.5 | 0.00 | 15 |
| 2027 | 4.6 | 0.00 | 16 |
| 2028 | 4.6 | 0.00 | 16 |
Routes In Gulf Coastal Prairie
| Gran Chenier | LOUISIANA | 134 | 1971 |
| Loyola Beach | TEXAS | 20 | 2008 |
| L. Atascosa Nwr | TEXAS | 20 | 2023 |
| Bayside 3 | TEXAS | 15 | 2018 |
| Bayside | TEXAS | 12 | 1996 |
| Indianola | TEXAS | 9 | 2012 |
| Winnie | TEXAS | 7 | 1996 |
| Forked Island 2 | LOUISIANA | 6 | 2011 |
| Moon Lake 2 | TEXAS | 4 | 2021 |
| Padre Island Pais | TEXAS | 4 | 2015 |
| Danbury | TEXAS | 3 | 2019 |
| Katy | TEXAS | 3 | 2013 |
| Moon Lake | TEXAS | 3 | 2011 |
| Loyola Beach 2 | TEXAS | 3 | 2022 |
| Creole | LOUISIANA | 2 | 1977 |
| Maurice | LOUISIANA | 2 | 2001 |
| Ltl Chenier 2 | LOUISIANA | 2 | 2010 |
| Woodlawn | LOUISIANA | 2 | 2017 |
| Lag Atascosa | TEXAS | 2 | 2016 |
| Petronila | TEXAS | 2 | 1970 |
| Hinkles Fer | TEXAS | 2 | 2013 |
| Bayside 2 | TEXAS | 2 | 2000 |
| Hackberry | LOUISIANA | 1 | 1973 |
| Kaplan | LOUISIANA | 1 | 2013 |
| Richard | LOUISIANA | 1 | 2017 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.