Species · BCR 26 · BBS 2025 Release · 1966–2024
Laughing Gull In Mississippi Alluvial Valley
Laughing Gull in Mississippi Alluvial Valley has collapsed: down 95% on the route-weighted index since 1989.
-95%Since 1989
8Routes In Region
32Years
Notable Signals
long arc declinecomputed index
Laughing Gull has collapsed in Mississippi Alluvial Valley: down 95% on the route-weighted index since 1989.
Forecast
If the recent trend holds, Laughing Gull in Mississippi Alluvial Valley is projected to stay roughly flat through 2028, near 0.00 (95% range 0.00–0.95). A 5-year backtest shows a typical error of ±114.2%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.00Projected 2028 index
0.00–0.9595% range
±114.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.00 | 0.00 | 0.95 |
| 2025 | 0.00 | 0.00 | 0.95 |
| 2026 | 0.00 | 0.00 | 0.95 |
| 2027 | 0.00 | 0.00 | 0.95 |
| 2028 | 0.00 | 0.00 | 0.95 |
Routes In Mississippi Alluvial Valley
| Keystone | LOUISIANA | 42 | 1981 |
| Gibson | LOUISIANA | 4 | 2014 |
| Berwick | LOUISIANA | 4 | 2016 |
| Freetown | LOUISIANA | 1 | 1987 |
| Ramah | LOUISIANA | 1 | 2018 |
| Brousville | LOUISIANA | 1 | 2021 |
| Belair | LOUISIANA | 1 | 2023 |
| River Road | LOUISIANA | 1 | 2021 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.