BirdAnalyst
Species · BCR 15 · BBS 2025 Release · 1966–2024

Wilson's Snipe In Sierra Nevada

All regionsSierra NevadaShorebirds

Wilson's Snipe in Sierra Nevada has collapsed: down 76% on the route-weighted index since 1974.

-76%Since 1974
16Routes In Region
52Years

Notable Signals

long arc declinecomputed index

Wilson's Snipe has collapsed in Sierra Nevada: down 75% on the route-weighted index since 1974.

Forecast

If the recent trend holds, Wilson's Snipe in Sierra Nevada is projected to fall about 17% by 2029 — from 0.32 in 2024 to a central estimate of 0.26 (95% range 0.00–0.90). A 5-year backtest shows a typical error of ±101.3%, with 100% of held-out values landing inside the 95% band.

-17%Change by 2029
0.26Projected 2029 index
0.00–0.9095% range
±101.3%Backtest error
19722029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.300.000.94
20260.290.000.93
20270.280.000.92
20280.270.000.91
20290.260.000.90

Routes In Sierra Nevada

Routes recording Wilson's Snipe in Sierra Nevada.
Little TruckeeCALIFORNIA52023
SattleyCALIFORNIA42019
GoumazCALIFORNIA42011
PaxtonCALIFORNIA32024
Eagle LakeCALIFORNIA21974
JohnsvilleCALIFORNIA21985
Butte MeadowCALIFORNIA22000
GeneseeCALIFORNIA22024
ChesterCALIFORNIA22012
Meadow ValleyCALIFORNIA22008
Lassen ParkCALIFORNIA11985
DardanelleCALIFORNIA12014
WoodfordsCALIFORNIA12022
Tuolumne GroveCALIFORNIA11997
ChilcootCALIFORNIA12024
Last ChanceCALIFORNIA12017

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.