Species · Nevada · BBS 2025 Release · 1966–2024
Gambel's Quail Population Trend in Nevada
Gambel's Quail in Nevada has surged: up 662% on the route-weighted index since 1970.
+662%Since 1970
9Routes In State
45Years
Notable Gambel's Quail Trends in Nevada
long arc increasecomputed index
Gambel's Quail has surged in Nevada: up 662% on the route-weighted index since 1970.
Gambel's Quail Population Forecast in Nevada
If the recent trend holds, Gambel's Quail in Nevada is projected to fall about 38% by 2029 — from 3.7 in 2024 to a central estimate of 2.3 (95% range 0.62–4.0). A 5-year backtest shows a typical error of ±26.6%, with 80% of held-out values landing inside the 95% band.
-38%Change by 2029
2.3Projected 2029 index
0.62–4.095% range
±26.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.2 | 0.49 | 3.8 |
| 2026 | 2.2 | 0.52 | 3.9 |
| 2027 | 2.2 | 0.56 | 3.9 |
| 2028 | 2.3 | 0.59 | 3.9 |
| 2029 | 2.3 | 0.62 | 4.0 |
Gambel's Quail Survey Routes in Nevada
| Jean Lake | 42 | 2013 | 1973 |
| Nelson | 38 | 2024 | 1995 |
| Ash Meadows | 38 | 2024 | 1993 |
| Meadow Vally | 10 | 2024 | 1996 |
| Beatty | 10 | 2024 | 1987 |
| Val Of Fire | 8 | 2024 | 2010 |
| Willis | 5 | 2003 | 1996 |
| Hiko | 2 | 2023 | 1968 |
| Caliente | 2 | 2019 | 1994 |
Gambel's Quail Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.