Species · BCR 15 · BBS 2025 Release · 1966–2024
Wilson's Phalarope In Sierra Nevada
Wilson's Phalarope in Sierra Nevada has fallen sharply: down 52% on the route-weighted index since 1976.
-52%Since 1976
3Routes In Region
15Years
Notable Signals
long arc declinecomputed index
Wilson's Phalarope has fallen sharply in Sierra Nevada: down 51% on the route-weighted index since 1976.
Routes In Sierra Nevada
| Eagle Lake | CALIFORNIA | 5 | 2007 |
| Sattley | CALIFORNIA | 3 | 2005 |
| Goumaz | CALIFORNIA | 1 | 2011 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.