Species · BCR 3 · BBS 2025 Release · 1966–2024
Lapland Longspur In BCR 3
Lapland Longspur in BCR 3 has surged: up 111% on the route-weighted index since 1995.
+111%Since 1995
4Routes In Region
31Years
Notable Signals
long arc increasecomputed index
Lapland Longspur has surged in BCR 3: up 111% on the route-weighted index since 1995.
Forecast
If the recent trend holds, Lapland Longspur in BCR 3 is projected to fall about 21% by 2029 — from 57 in 2024 to a central estimate of 45 (95% range 19–71). A 5-year backtest shows a typical error of ±38.6%, with 60% of held-out values landing inside the 95% band.
-21%Change by 2029
45Projected 2029 index
19–7195% range
±38.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 43 | 17 | 70 |
| 2026 | 44 | 17 | 70 |
| 2027 | 44 | 18 | 70 |
| 2028 | 45 | 18 | 71 |
| 2029 | 45 | 19 | 71 |
Routes In BCR 3
| Galbraith L. | ALASKA | 169 | 2024 |
| Utqiagvik | ALASKA | 43 | 2023 |
| Happy Valley | ALASKA | 43 | 2024 |
| Red Dog | ALASKA | 15 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.