Species · BCR 3 · BBS 2025 Release · 1966–2024
Short-billed Gull In BCR 3
Short-billed Gull in BCR 3 has collapsed: down 92% on the route-weighted index since 1995.
-92%Since 1995
3Routes In Region
24Years
Notable Signals
long arc declinecomputed index
Short-billed Gull has collapsed in BCR 3: down 92% on the route-weighted index since 1995.
Forecast
If the recent trend holds, Short-billed Gull in BCR 3 is projected to fall about 100% by 2029 — from 0.25 in 2024 to a central estimate of 0.00 (95% range 0.00–3.8). A 5-year backtest shows a typical error of ±478%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–3.895% range
±478%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 3.8 |
| 2026 | 0.00 | 0.00 | 3.8 |
| 2027 | 0.00 | 0.00 | 3.8 |
| 2028 | 0.00 | 0.00 | 3.8 |
| 2029 | 0.00 | 0.00 | 3.8 |
Routes In BCR 3
| Dietrich Cmp | ALASKA | 1 | 2023 |
| Galbraith L. | ALASKA | 1 | 2013 |
| Red Dog | ALASKA | 1 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.