Species · BCR 34 · BBS 2025 Release · 1966–2024

Arizona Woodpecker In Sierra Madre Occidental

Arizona Woodpecker in Sierra Madre Occidental has increased: up 48% on the route-weighted index since 1975.

+48%Since 1975
6Routes In Region
50Years

Notable Signals

No notable trend signals for Arizona Woodpecker in Sierra Madre Occidental. See the full index history below.

Forecast

If the recent trend holds, Arizona Woodpecker in Sierra Madre Occidental is projected to fall about 77% by 2029 — from 0.50 in 2024 to a central estimate of 0.12 (95% range 0.00–0.66). A 5-year backtest shows a typical error of ±60.8%, with 100% of held-out values landing inside the 95% band.

-77%Change by 2029
0.12Projected 2029 index
0.000.6695% range
±60.8%Backtest error
19732029
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
20250.140.000.68
20260.140.000.68
20270.130.000.67
20280.120.000.67
20290.120.000.66

Routes In Sierra Madre Occidental

Routes recording Arizona Woodpecker in Sierra Madre Occidental.
PortalARIZONA72024
Peña BlancaARIZONA22024
PatagoniaARIZONA22023
RuckerARIZONA22003
SunizonaARIZONA11986
Sunizona 2ARIZONA12014

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