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Species · Wyoming · BBS 2025 Release · 1966–2024

Wilson's Phalarope Population Trend in Wyoming

All statesShorebirds

Wilson's Phalarope in Wyoming has edged up: up 14% on the route-weighted index since 1971.

+14%Since 1971
72Routes In State
53Years

Notable Wilson's Phalarope Trends in Wyoming

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

Wilson's Phalarope Population Forecast in Wyoming

If the recent trend holds, Wilson's Phalarope in Wyoming is projected to rise about 132% by 2029 — from 0.25 in 2024 to a central estimate of 0.57 (95% range 0.00–1.4). A 5-year backtest shows a typical error of ±110%, with 80% of held-out values landing inside the 95% band.

+132%Change by 2029
0.57Projected 2029 index
0.00–1.495% range
±110%Backtest error
19692029
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
20250.570.001.4
20260.570.001.4
20270.570.001.4
20280.570.001.4
20290.570.001.4

Wilson's Phalarope Survey Routes in Wyoming

Routes recording Wilson's Phalarope in Wyoming.
Fontenelle5020211983
Daniel1219881980
Clark1020242024
Natrona619921969
Moose619781977
Kaycee620242014
Dubois520151990
Bill520181998
Elk Horn520022002
Seely 2520082004
Horse Creek520172003
Patrick Draw 2519811981
Clarkelen419781976
Yellowstone420131989
Rozet420171991
Yoder420231980
Dayton419951981
Anchor420162016
Mayoworth420182018
Riverview420221994
Bucknum420181996
Rawlins419931989
Brookhurst320161969
Riverside320052003
Upton320241988

Wilson's Phalarope Population Trend in Other States

californiacoloradoidahoillinoisiowakansasminnesotamontananebraskanevadanew-mexiconorth-dakotaoklahomaoregonsouth-dakotatexasutahwashingtonwisconsin

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