BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Gambel's Quail In Great Basin

All regionsGreat BasinArid-land birds

Gambel's Quail in Great Basin has increased: up 46% on the route-weighted index since 1970.

+46%Since 1970
7Routes In Region
46Years

Notable Signals

No notable trend signals for Gambel's Quail in Great Basin. See the full index history below.

Forecast

If the recent trend holds, Gambel's Quail in Great Basin is projected to fall about 43% by 2029 — from 0.26 in 2024 to a central estimate of 0.15 (95% range 0.04–0.25). A 5-year backtest shows a typical error of ±28.8%, with 60% of held-out values landing inside the 95% band.

-43%Change by 2029
0.15Projected 2029 index
0.04–0.2595% range
±28.8%Backtest error
19682029
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
20250.140.030.24
20260.140.040.25
20270.140.040.25
20280.140.040.25
20290.150.040.25

Routes In Great Basin

Routes recording Gambel's Quail in Great Basin.
BakerIDAHO262024
Meadow VallyNEVADA102024
WillisNEVADA52003
HikoNEVADA22023
CalienteNEVADA22019
JoelIDAHO11989
NewcastleUTAH12004

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