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

Steller's Jay In Northern Rockies

All regionsNorthern RockiesGeneralists

Steller's Jay in Northern Rockies has fallen sharply: down 52% on the route-weighted index since 1970.

-52%Since 1970
115Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Steller's Jay has fallen sharply in Northern Rockies: down 52% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Steller's Jay in Northern Rockies is projected to rise about 88% by 2029 — from 0.38 in 2024 to a central estimate of 0.71 (95% range 0.08–1.3). A 5-year backtest shows a typical error of ±64.1%, with 100% of held-out values landing inside the 95% band.

+88%Change by 2029
0.71Projected 2029 index
0.08–1.395% range
±64.1%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
20250.720.101.3
20260.720.091.3
20270.710.091.3
20280.710.091.3
20290.710.081.3

Routes In Northern Rockies

Routes recording Steller's Jay in Northern Rockies.
DonnellyOREGON162006
Black Mtn.OREGON122004
Hash RockOREGON92024
DesolationOREGON82007
SkalkahoMONTANA61998
BarnhouseOREGON62024
MaybellCOLORADO51970
OchocoOREGON51982
NewbridgeOREGON52024
LaurierWASHINGTON52022
SaveryWYOMING51989
PierceIDAHO42007
GreenoughMONTANA42003
Howard Mdws.OREGON42019
Cape HornIDAHO32005
Baldy MountainIDAHO32016
Yellow PineIDAHO32012
SunbeamIDAHO32013
ArleeMONTANA32022
ClintonMONTANA32023
EllistonMONTANA32019
Painted RockMONTANA32022
FloraOREGON32023
LogdellOREGON32024
WickiupOREGON32024

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