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
0.001.195% range
±102.1%Backtest error
19692029
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
20250.510.001.1
20260.510.001.1
20270.510.001.1
20280.510.001.1
20290.510.001.1

Crissal Thrasher Survey Routes in Arizona

Routes recording Crissal Thrasher in Arizona.
New River520101999
Wikieup420051998
Pomerene420241969
San Simon420241978
Carr Mtn420231985
Dragoon319971993
Toroweap320181994
Mcneal320231997
Portal220161986
Rucker219961993
Oraibi220182018
Oatman220001992
Prescott220221976
Dateland220161996
Ajo220012000
Sunizona219781974
Cutter 2220172017
Forest Lakes220192019
Cabeza Priet220192016
Amado220131999
Navajo Trail220182009
Casa Grande220191996
Organ Pipe120212003
Quartzsite120171990
Florence119721972

Crissal Thrasher Population Trend in Other States

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