Species · BCR 33 · BBS 2025 Release · 1966–2024

Hairy Woodpecker In Sonoran and Mojave Deserts

Hairy Woodpecker in Sonoran and Mojave Deserts has surged: up 176% on the route-weighted index since 1979.

+176%Since 1979
4Routes In Region
33Years

Notable Signals

long arc increasecomputed index

Hairy Woodpecker has surged in Sonoran and Mojave Deserts: up 176% on the route-weighted index since 1979.

Forecast

If the recent trend holds, Hairy Woodpecker in Sonoran and Mojave Deserts is projected to rise about 21% by 2029 — from 0.07 in 2024 to a central estimate of 0.08 (95% range 0.02–0.14). A 5-year backtest shows a typical error of ±91.5%, with 80% of held-out values landing inside the 95% band.

+21%Change by 2029
0.08Projected 2029 index
0.020.1495% range
±91.5%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
20250.080.010.14
20260.080.010.14
20270.080.020.14
20280.080.020.14
20290.080.020.14

Routes In Sonoran and Mojave Deserts

Routes recording Hairy Woodpecker in Sonoran and Mojave Deserts.
Kelso ValleyCALIFORNIA22024
OnyxCALIFORNIA12001
PearblossomCALIFORNIA11988
Lone PineCALIFORNIA12023

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