BirdAnalyst
Species · BCR 10 · BBS 2025 Release · 1966–2024

Wilson's Phalarope In Northern Rockies

All regionsNorthern RockiesShorebirds

Wilson's Phalarope in Northern Rockies has increased: up 29% on the route-weighted index since 1970.

+29%Since 1970
85Routes In Region
55Years

Notable Signals

No notable trend signals for Wilson's Phalarope in Northern Rockies. See the full index history below.

Forecast

If the recent trend holds, Wilson's Phalarope in Northern Rockies is projected to rise about 327% by 2029 — from 0.13 in 2024 to a central estimate of 0.55 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±245.4%, with 100% of held-out values landing inside the 95% band.

+327%Change by 2029
0.55Projected 2029 index
0.00–1.195% range
±245.4%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
20250.540.001.1
20260.540.001.1
20270.550.001.1
20280.550.001.1
20290.550.001.1

Routes In Northern Rockies

Routes recording Wilson's Phalarope in Northern Rockies.
FontenelleWYOMING502021
Saleratus CrUTAH122016
DanielWYOMING121988
ClarkWYOMING102024
Neponset ResUTAH92018
BeaverheadMONTANA62017
E. Bear LakeUTAH62021
MooseWYOMING61978
ChallisIDAHO51989
DuboisWYOMING52015
Elk HornWYOMING52002
Horse CreekWYOMING52017
Patrick Draw 2WYOMING51981
PolsonMONTANA41997
AnchorWYOMING42016
RawlinsWYOMING41993
YellowstoneWYOMING42013
AugustaMONTANA32021
East Glacier ParkMONTANA32021
Malheur Res.OREGON32022
WoodruffUTAH32004
ChewelahWASHINGTON31981
RiversideWYOMING32005
BoulderWYOMING31995
LeoWYOMING32004

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