Species · Arizona · BBS 2025 Release · 1966–2024
Crissal Thrasher Population Trend in Arizona
Crissal Thrasher in Arizona has surged: up 401% on the route-weighted index since 1972.
+401%Since 1972
49Routes In State
53Years
Notable Crissal Thrasher Trends in Arizona
long arc increasecomputed index
Crissal Thrasher has surged in Arizona: up 401% on the route-weighted index since 1972.
Crissal Thrasher Population Forecast in Arizona
If the recent trend holds, Crissal Thrasher in Arizona is projected to rise about 38% by 2029 — from 0.37 in 2024 to a central estimate of 0.51 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±102.1%, with 100% of held-out values landing inside the 95% band.
+38%Change by 2029
0.51Projected 2029 index
0.00–1.195% range
±102.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.51 | 0.00 | 1.1 |
| 2026 | 0.51 | 0.00 | 1.1 |
| 2027 | 0.51 | 0.00 | 1.1 |
| 2028 | 0.51 | 0.00 | 1.1 |
| 2029 | 0.51 | 0.00 | 1.1 |
Crissal Thrasher Survey Routes in Arizona
| New River | 5 | 2010 | 1999 |
| Wikieup | 4 | 2005 | 1998 |
| Pomerene | 4 | 2024 | 1969 |
| San Simon | 4 | 2024 | 1978 |
| Carr Mtn | 4 | 2023 | 1985 |
| Dragoon | 3 | 1997 | 1993 |
| Toroweap | 3 | 2018 | 1994 |
| Mcneal | 3 | 2023 | 1997 |
| Portal | 2 | 2016 | 1986 |
| Rucker | 2 | 1996 | 1993 |
| Oraibi | 2 | 2018 | 2018 |
| Oatman | 2 | 2000 | 1992 |
| Prescott | 2 | 2022 | 1976 |
| Dateland | 2 | 2016 | 1996 |
| Ajo | 2 | 2001 | 2000 |
| Sunizona | 2 | 1978 | 1974 |
| Cutter 2 | 2 | 2017 | 2017 |
| Forest Lakes | 2 | 2019 | 2019 |
| Cabeza Priet | 2 | 2019 | 2016 |
| Amado | 2 | 2013 | 1999 |
| Navajo Trail | 2 | 2018 | 2009 |
| Casa Grande | 2 | 2019 | 1996 |
| Organ Pipe | 1 | 2021 | 2003 |
| Quartzsite | 1 | 2017 | 1990 |
| Florence | 1 | 1972 | 1972 |
Crissal Thrasher Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.