BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Willet In Great Basin

All regionsGreat BasinShorebirds

Willet in Great Basin has edged down: down 16% on the route-weighted index since 1971.

-16%Since 1971
84Routes In Region
55Years

Notable Signals

No notable trend signals for Willet in Great Basin. See the full index history below.

Forecast

If the recent trend holds, Willet in Great Basin is projected to rise about 51% by 2029 — from 0.84 in 2024 to a central estimate of 1.3 (95% range 0.14–2.4). A 5-year backtest shows a typical error of ±56.8%, with 100% of held-out values landing inside the 95% band.

+51%Change by 2029
1.3Projected 2029 index
0.14–2.495% range
±56.8%Backtest error
19682029
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
20251.30.172.4
20261.30.172.4
20271.30.152.4
20281.30.142.4
20291.30.142.4

Routes In Great Basin

Routes recording Willet in Great Basin.
DorrisCALIFORNIA502019
SnowvilleUTAH322024
Malheur NwrOREGON302022
CedarvilleCALIFORNIA222019
Davis CreekCALIFORNIA152024
MacdoelCALIFORNIA152019
Ruby ValleyNEVADA132001
MadelineCALIFORNIA122024
HenryIDAHO101981
Lapham Res.OREGON102022
DuboisIDAHO92024
IngallsCALIFORNIA81999
Clear Lk ResCALIFORNIA72018
MidasNEVADA72024
GardnervilleNEVADA72005
Trout CreekOREGON72017
PrincetonOREGON61984
BlyOREGON62001
SheavilleOREGON62024
BentonCALIFORNIA52024
Warner VallyOREGON52023
Timpie SpgUTAH52002
Mud LakeIDAHO42019
Chimney Res.NEVADA42024
Harney LakeOREGON42004

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