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

Nuttall's Woodpecker In Sonoran and Mojave Deserts

All regionsSonoran and Mojave DesertsForest birds

Nuttall's Woodpecker in Sonoran and Mojave Deserts has fallen sharply: down 61% on the route-weighted index since 1974.

-61%Since 1974
7Routes In Region
47Years

Notable Signals

long arc declinecomputed index

Nuttall's Woodpecker has fallen sharply in Sonoran and Mojave Deserts: down 61% on the route-weighted index since 1974.

Forecast

If the recent trend holds, Nuttall's Woodpecker in Sonoran and Mojave Deserts is projected to fall about 49% by 2029 — from 0.17 in 2024 to a central estimate of 0.09 (95% range 0.00–0.31). A 5-year backtest shows a typical error of ±77.4%, with 100% of held-out values landing inside the 95% band.

-49%Change by 2029
0.09Projected 2029 index
0.00–0.3195% range
±77.4%Backtest error
19712029
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
20250.090.000.32
20260.090.000.32
20270.090.000.31
20280.090.000.31
20290.090.000.31

Routes In Sonoran and Mojave Deserts

Routes recording Nuttall's Woodpecker in Sonoran and Mojave Deserts.
OnyxCALIFORNIA42001
Kelso ValleyCALIFORNIA32024
PearblossomCALIFORNIA22024
Joshua TreeCALIFORNIA21987
BarstowCALIFORNIA11998
Anza BorregoCALIFORNIA11998
Lone PineCALIFORNIA12002

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