BirdAnalyst
Species · BCR 10 · BBS 2025 Release · 1966–2024

Red-naped Sapsucker In Northern Rockies

All regionsNorthern RockiesForest birds

Red-naped Sapsucker in Northern Rockies has surged: up 202% on the route-weighted index since 1970.

+202%Since 1970
148Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Red-naped Sapsucker has surged in Northern Rockies: up 202% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Red-naped Sapsucker in Northern Rockies is projected to rise about 23% by 2029 — from 0.85 in 2024 to a central estimate of 1.0 (95% range 0.52–1.6). A 5-year backtest shows a typical error of ±41.3%, with 100% of held-out values landing inside the 95% band.

+23%Change by 2029
1.0Projected 2029 index
0.52–1.695% range
±41.3%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
20251.00.491.5
20261.00.501.5
20271.00.511.6
20281.00.511.6
20291.00.521.6

Routes In Northern Rockies

Routes recording Red-naped Sapsucker in Northern Rockies.
Omak CreekWASHINGTON142024
CascadeIDAHO111984
Lolo PassIDAHO72016
Buckskin MtnWYOMING72021
Green RiverWYOMING71982
CoolinIDAHO62024
GraniteOREGON62007
Savery 2WYOMING62024
Swan LakeMONTANA52024
FloraOREGON52005
NaplesIDAHO42024
ChestnutMONTANA42024
Red RockMONTANA42024
East Glacier ParkMONTANA42024
DesolationOREGON41998
CusickWASHINGTON42024
Deer ParkWASHINGTON42015
GrangevilleIDAHO32024
N Fork Cda RIDAHO32016
Rochat DivdeIDAHO32023
SulaMONTANA32024
Heart ButteMONTANA32024
Inside RoadMONTANA32024
WickiupOREGON32022
Donelly 2OREGON32024

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