BirdAnalyst
Species · Wyoming · BBS 2025 Release · 1966–2024

Eared Grebe Population Trend in Wyoming

All statesWetland birds

Eared Grebe in Wyoming has risen sharply: up 72% on the route-weighted index since 1976.

+72%Since 1976
30Routes In State
44Years

Notable Eared Grebe Trends in Wyoming

long arc increasecomputed index

Eared Grebe has risen sharply in Wyoming: up 72% on the route-weighted index since 1976.

Eared Grebe Population Forecast in Wyoming

If the recent trend holds, Eared Grebe in Wyoming is projected to rise about 50% by 2029 — from 0.24 in 2024 to a central estimate of 0.35 (95% range 0.00–0.71). A 5-year backtest shows a typical error of ±151.9%, with 80% of held-out values landing inside the 95% band.

+50%Change by 2029
0.35Projected 2029 index
0.00–0.7195% range
±151.9%Backtest error
19712029
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
20250.340.000.69
20260.340.000.70
20270.340.000.70
20280.350.000.71
20290.350.000.71

Eared Grebe Survey Routes in Wyoming

Routes recording Eared Grebe in Wyoming.
Yellowstone3520182003
Brookhurst2020221980
Carter 21320242021
Harmony1320222022
Rock River1120221993
Mammoth720161999
Anchor620162016
Pathfinder520241982
Lamont419911991
Mtn View420221981
Welch319951980
Ervay220222022
Seely 2220072007
Mckinnon219821976
Horse Creek220122000
Rawlins 2220162016
Fiddler Lk220041982
Bucknum220011993
Green River219811978
Kaycee220242024
Rawlins220062006
Walcott219921992
Patrick Draw 2219821982
Ne Entrance120211997
Nowood119961996

Eared Grebe Population Trend in Other States

arizonacaliforniacoloradoidahoiowakansasminnesotamontananebraskanevadanew-mexiconorth-dakotaoklahomaoregonsouth-dakotatexasutahwashington

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