Species · BCR 37 · BBS 2025 Release · 1966–2024
Black Skimmer In Gulf Coastal Prairie
Black Skimmer in Gulf Coastal Prairie has collapsed: down 78% on the route-weighted index since 1970.
-78%Since 1970
18Routes In Region
48Years
Notable Signals
long arc declinecomputed index
Black Skimmer has collapsed in Gulf Coastal Prairie: down 78% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Black Skimmer in Gulf Coastal Prairie is projected to rise about 24% by 2029 — from 0.52 in 2024 to a central estimate of 0.65 (95% range 0.00–2.5). A 5-year backtest shows a typical error of ±136.9%, with 80% of held-out values landing inside the 95% band.
+24%Change by 2029
0.65Projected 2029 index
0.00–2.595% range
±136.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.65 | 0.00 | 2.5 |
| 2026 | 0.65 | 0.00 | 2.5 |
| 2027 | 0.65 | 0.00 | 2.5 |
| 2028 | 0.65 | 0.00 | 2.5 |
| 2029 | 0.65 | 0.00 | 2.5 |
Routes In Gulf Coastal Prairie
| Oyster Lake | TEXAS | 10 | 2024 |
| Loyola Beach | TEXAS | 6 | 2001 |
| Creole | LOUISIANA | 5 | 1980 |
| Junior | LOUISIANA | 4 | 1988 |
| Lag Atascosa | TEXAS | 4 | 1989 |
| Hinkles Fer | TEXAS | 4 | 1985 |
| Bayside | TEXAS | 4 | 2002 |
| Bayside 2 | TEXAS | 3 | 2004 |
| Bayside 3 | TEXAS | 3 | 2018 |
| Danbury | TEXAS | 2 | 2012 |
| Grand Isle | LOUISIANA | 1 | 2014 |
| Sabine Nwr | LOUISIANA | 1 | 1993 |
| Indianola | TEXAS | 1 | 2022 |
| Winnie | TEXAS | 1 | 1984 |
| Stowell | TEXAS | 1 | 1975 |
| Chinquapin | TEXAS | 1 | 2024 |
| Port Acres | TEXAS | 1 | 2011 |
| L. Atascosa Nwr | TEXAS | 1 | 2017 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.