BirdAnalyst
Species · BCR 33 · BBS 2025 Release · 1966–2024

Eared Grebe In Sonoran and Mojave Deserts

All regionsSonoran and Mojave DesertsWetland birds

Eared Grebe in Sonoran and Mojave Deserts has collapsed: down 98% on the route-weighted index since 1980.

-98%Since 1980
6Routes In Region
27Years

Notable Signals

long arc declinecomputed index

Eared Grebe has collapsed in Sonoran and Mojave Deserts: down 98% on the route-weighted index since 1980.

Forecast

If the recent trend holds, Eared Grebe in Sonoran and Mojave Deserts is projected to fall about 100% by 2029 — from 0.07 in 2024 to a central estimate of 0.00 (95% range 0.00–4.7). A 5-year backtest shows a typical error of ±2480%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–4.795% range
±2480%Backtest error
19762029
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
20250.000.004.7
20260.000.004.7
20270.000.004.7
20280.000.004.7
20290.000.004.7

Routes In Sonoran and Mojave Deserts

Routes recording Eared Grebe in Sonoran and Mojave Deserts.
Haiwee ResCALIFORNIA162004
NilandCALIFORNIA22003
Kelso ValleyCALIFORNIA21980
Ash MeadowsNEVADA22024
CoolidgeARIZONA11976
Palo VerdeCALIFORNIA12003

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