BirdAnalyst
Species · New Mexico · BBS 2025 Release · 1966–2024

Western Grebe Population Trend in New Mexico

All statesWetland birds

Western Grebe in New Mexico has edged down: down 24% on the route-weighted index since 2000.

-24%Since 2000
4Routes In State
25Years

Notable Western Grebe Trends in New Mexico

No notable trend signals for Western Grebe in New Mexico. See the full index history below.

Western Grebe Population Forecast in New Mexico

If the recent trend holds, Western Grebe in New Mexico is projected to stay roughly flat through 2029, near 0.13 (95% range 0.00–0.89). A 5-year backtest shows a typical error of ±728.4%, with 100% of held-out values landing inside the 95% band.

-3%Change by 2029
0.13Projected 2029 index
0.00–0.8995% range
±728.4%Backtest error
19922029
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
20250.170.000.94
20260.160.000.93
20270.150.000.92
20280.140.000.91
20290.130.000.89

Western Grebe Survey Routes in New Mexico

Routes recording Western Grebe in New Mexico.
Dulce620242000
Maxwell420071998
Laborcita320072007
Stinking Lk.119921992

Western Grebe Population Trend in Other States

arizonacaliforniacoloradoidahokansasminnesotamontananebraskanevadanorth-dakotaoregonsouth-dakotautahwashingtonwyoming

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