Species · BCR 15 · BBS 2025 Release · 1966–2024

Downy Woodpecker In Sierra Nevada

Downy Woodpecker in Sierra Nevada has held roughly steady: down 5% on the route-weighted index since 1971.

-5%Since 1971
28Routes In Region
53Years

Notable Signals

No notable trend signals for Downy Woodpecker in Sierra Nevada. See the full index history below.

Forecast

If the recent trend holds, Downy Woodpecker in Sierra Nevada is projected to fall about 72% by 2029 — from 1.1 in 2024 to a central estimate of 0.30 (95% range 0.00–0.76). A 5-year backtest shows a typical error of ±67.1%, with 40% of held-out values landing inside the 95% band.

-72%Change by 2029
0.30Projected 2029 index
0.000.7695% range
±67.1%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
20250.310.000.76
20260.300.000.76
20270.300.000.76
20280.300.000.76
20290.300.000.76

Routes In Sierra Nevada

Routes recording Downy Woodpecker in Sierra Nevada.
GeneseeCALIFORNIA72024
Higgins CornCALIFORNIA72024
LakeshoreCALIFORNIA32024
WestvilleCALIFORNIA22024
Cottage SpgsCALIFORNIA21974
Hat CreekCALIFORNIA21989
WawonaCALIFORNIA22015
Lassen ParkCALIFORNIA11988
Bass LakeCALIFORNIA12018
JohnsvilleCALIFORNIA12011
WoodfordsCALIFORNIA12024
Greenhorn MtCALIFORNIA11985
Silver CityCALIFORNIA12011
Kings CanyonCALIFORNIA12010
Tuolumne GroveCALIFORNIA12023
SattleyCALIFORNIA12004
Butte MeadowCALIFORNIA11983
DownievilleCALIFORNIA12022
RivertonCALIFORNIA12023
Chaos CraterCALIFORNIA12019
PaxtonCALIFORNIA12022
Meadow ValleyCALIFORNIA12023
Forest HillCALIFORNIA12019
Pollock PinesCALIFORNIA12007
PlacervilleCALIFORNIA12023

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