Species · Nevada · BBS 2025 Release · 1966–2024
Redhead Population Trend in Nevada
Redhead in Nevada has fallen sharply: down 52% on the route-weighted index since 1971.
-52%Since 1971
15Routes In State
44Years
Notable Redhead Trends in Nevada
long arc declinecomputed index
Redhead has fallen sharply in Nevada: down 52% on the route-weighted index since 1971.
Redhead Population Forecast in Nevada
If the recent trend holds, Redhead in Nevada is projected to fall about 100% by 2029 — from 0.25 in 2024 to a central estimate of 0.00 (95% range 0.00–22). A 5-year backtest shows a typical error of ±235.2%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–2295% range
±235.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 22 |
| 2026 | 0.00 | 0.00 | 22 |
| 2027 | 0.00 | 0.00 | 22 |
| 2028 | 0.00 | 0.00 | 22 |
| 2029 | 0.00 | 0.00 | 22 |
Redhead Survey Routes in Nevada
| Ruby Valley 2 | 10 | 2021 | 2021 |
| Hiko | 7 | 1973 | 1973 |
| Cortez | 6 | 2024 | 1968 |
| Eureka | 5 | 2017 | 2009 |
| Dobbin Creek | 4 | 2017 | 1971 |
| Bald Mtn. | 3 | 2023 | 1992 |
| Fallon | 3 | 1995 | 1992 |
| Virgin Creek | 2 | 2015 | 1995 |
| Toiyabe Nf | 2 | 2018 | 2018 |
| Gardnerville | 2 | 2011 | 2001 |
| Sheldon Nwr | 1 | 2001 | 2001 |
| Rye Patch | 1 | 1971 | 1971 |
| Ash Meadows | 1 | 2024 | 1993 |
| Illipah | 1 | 1999 | 1999 |
| Gardnerville 2 | 1 | 2018 | 2018 |
Redhead Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.