Species · BCR 37 · BBS 2025 Release · 1966–2024
American Bittern In Gulf Coastal Prairie
American Bittern in Gulf Coastal Prairie has fallen sharply: down 52% on the route-weighted index since 1978.
-52%Since 1978
9Routes In Region
13Years
Notable Signals
long arc declinecomputed index
American Bittern has fallen sharply in Gulf Coastal Prairie: down 52% on the route-weighted index since 1978.
Routes In Gulf Coastal Prairie
| Stowell | TEXAS | 4 | 2017 |
| Lafitte | LOUISIANA | 1 | 1978 |
| Creole | LOUISIANA | 1 | 1967 |
| Richard | LOUISIANA | 1 | 2009 |
| Ltl Chenier | LOUISIANA | 1 | 2003 |
| Ville Platte | LOUISIANA | 1 | 2009 |
| Winnie | TEXAS | 1 | 1997 |
| Rock Island | TEXAS | 1 | 2011 |
| Oyster Lake | TEXAS | 1 | 2006 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.