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

Pied-billed Grebe Population Trend in Nevada

All statesWetland birds

Pied-billed Grebe in Nevada has fallen sharply: down 57% on the route-weighted index since 1992.

-57%Since 1992
10Routes In State
31Years

Notable Pied-billed Grebe Trends in Nevada

long arc declinecomputed index

Pied-billed Grebe has fallen sharply in Nevada: down 57% on the route-weighted index since 1992.

Pied-billed Grebe Population Forecast in Nevada

If the recent trend holds, Pied-billed Grebe in Nevada is projected to rise about 80% by 2028 — from 0.11 in 2023 to a central estimate of 0.20 (95% range 0.00–0.91). A 5-year backtest shows a typical error of ±282.3%, with 100% of held-out values landing inside the 95% band.

+80%Change by 2028
0.20Projected 2028 index
0.00–0.9195% range
±282.3%Backtest error
19862028
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
20240.200.000.92
20250.200.000.92
20260.200.000.91
20270.200.000.91
20280.200.000.91

Pied-billed Grebe Survey Routes in Nevada

Routes recording Pied-billed Grebe in Nevada.
Cortez220232018
Dobbin Creek220181987
Bald Mtn.120191992
Sand Pass120122012
Ash Meadows120191994
Virgin Creek120161997
Nixon120222022
Fallon120072007
Gardnerville120111994
Beatty119861986

Pied-billed Grebe Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwisconsinwyoming

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