Species · Arizona · BBS 2025 Release · 1966–2024

Pyrrhuloxia Population Trend in Arizona

Pyrrhuloxia in Arizona has surged: up 208% on the route-weighted index since 1970.

+208%Since 1970
28Routes In State
56Years

Notable Pyrrhuloxia Trends in Arizona

long arc increasecomputed index

Pyrrhuloxia has surged in Arizona: up 208% on the route-weighted index since 1970.

Pyrrhuloxia Population Forecast in Arizona

If the recent trend holds, Pyrrhuloxia in Arizona is projected to rise about 18% by 2029 — from 0.66 in 2024 to a central estimate of 0.77 (95% range 0.28–1.3). A 5-year backtest shows a typical error of ±31.9%, with 100% of held-out values landing inside the 95% band.

+18%Change by 2029
0.77Projected 2029 index
0.281.395% range
±31.9%Backtest error
19682029
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
20250.740.241.2
20260.750.251.2
20270.760.261.3
20280.770.271.3
20290.770.281.3

Pyrrhuloxia Survey Routes in Arizona

Routes recording Pyrrhuloxia in Arizona.
Sahuarita1320241992
Bates Well620232016
Redington620231993
Mcneal620231992
Dragoon520091993
Florence519681968
Organ Pipe420232003
Red Rock 2420242015
Casa Grande320181994
Portal220241992
Pomerene220241971
San Simon220221979
Lukeville219761975
Sunizona219961970
Amado220221993
Sunizona 2220242001
Rucker120032003
New River120152015
Ajo119951969
Coolidge119841974
Peña Blanca120211977
Patagonia120121969
Red Rock120111992
Cabeza Priet120081994
Wickenburg120232021

Pyrrhuloxia Population Trend in Other States

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