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

Red-breasted Sapsucker In Sierra Nevada

Red-breasted Sapsucker in Sierra Nevada has risen sharply: up 52% on the route-weighted index since 1970.

+52%Since 1970
37Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Red-breasted Sapsucker has risen sharply in Sierra Nevada: up 52% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Red-breasted Sapsucker in Sierra Nevada is projected to rise about 16% by 2029 — from 1.5 in 2024 to a central estimate of 1.7 (95% range 0.76–2.7). A 5-year backtest shows a typical error of ±16.9%, with 100% of held-out values landing inside the 95% band.

+16%Change by 2029
1.7Projected 2029 index
0.762.795% range
±16.9%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
20251.70.732.6
20261.70.742.6
20271.70.742.7
20281.70.752.7
20291.70.762.7

Routes In Sierra Nevada

Routes recording Red-breasted Sapsucker in Sierra Nevada.
WoodfordsCALIFORNIA72022
ChilcootCALIFORNIA72024
Meadow ValleyCALIFORNIA62024
Little TruckeeCALIFORNIA62023
Forest HillCALIFORNIA62022
Greenhorn MtCALIFORNIA52008
GeneseeCALIFORNIA52024
RivertonCALIFORNIA52023
Lassen ParkCALIFORNIA41987
GoumazCALIFORNIA42011
Butte MeadowCALIFORNIA32014
Tahoe NfCALIFORNIA31994
PaxtonCALIFORNIA32022
WestvilleCALIFORNIA22024
JohnsvilleCALIFORNIA22024
LumberyardCALIFORNIA22024
StrawberryCALIFORNIA22019
Eagle LakeCALIFORNIA12021
Cottage SpgsCALIFORNIA11974
DardanelleCALIFORNIA12019
Silver CityCALIFORNIA12012
Kings CanyonCALIFORNIA12009
Tuolumne GroveCALIFORNIA12019
SattleyCALIFORNIA11999
Higgins CornCALIFORNIA12022

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