Species · Nevada · BBS 2025 Release · 1966–2024
Cassin's Finch Population Trend in Nevada
Cassin's Finch in Nevada has collapsed: down 84% on the route-weighted index since 1984.
-84%Since 1984
17Routes In State
31Years
Notable Cassin's Finch Trends in Nevada
long arc declinecomputed index
Cassin's Finch has collapsed in Nevada: down 84% on the route-weighted index since 1984.
Cassin's Finch Population Forecast in Nevada
If the recent trend holds, Cassin's Finch in Nevada is projected to rise about 477% by 2028 — from 0.06 in 2023 to a central estimate of 0.32 (95% range 0.00–1.2). A 5-year backtest shows a typical error of ±487.6%, with 100% of held-out values landing inside the 95% band.
+477%Change by 2028
0.32Projected 2028 index
0.00–1.295% range
±487.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.35 | 0.00 | 1.2 |
| 2025 | 0.34 | 0.00 | 1.2 |
| 2026 | 0.34 | 0.00 | 1.2 |
| 2027 | 0.33 | 0.00 | 1.2 |
| 2028 | 0.32 | 0.00 | 1.2 |
Cassin's Finch Survey Routes in Nevada
| Jarbidge | 27 | 2015 | 1997 |
| Ruby Valley | 7 | 2001 | 2001 |
| Austin | 7 | 2017 | 2015 |
| Ranchogrande | 5 | 1999 | 1992 |
| Ruby Valley 2 | 4 | 2013 | 2008 |
| Gardnerville | 4 | 2005 | 1997 |
| Walker Can | 2 | 2008 | 1968 |
| Dinner Sta | 1 | 1990 | 1990 |
| Bald Mtn. | 1 | 2016 | 1993 |
| Fish Creek | 1 | 2019 | 1999 |
| Comins Lake | 1 | 2013 | 2005 |
| Humboldt Nf | 1 | 2014 | 2005 |
| Sheldon Nwr | 1 | 2009 | 2009 |
| Illipah | 1 | 2014 | 1993 |
| Humboldt Nf 2 | 1 | 2023 | 2023 |
| Dobbin Creek | 1 | 1997 | 1997 |
| Willis | 1 | 2017 | 1988 |
Cassin's Finch Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.