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

Steller's Jay In Sierra Nevada

Steller's Jay in Sierra Nevada has edged down: down 21% on the route-weighted index since 1970.

-21%Since 1970
40Routes In Region
56Years

Notable Signals

No notable trend signals for Steller's Jay in Sierra Nevada. See the full index history below.

Forecast

If the recent trend holds, Steller's Jay in Sierra Nevada is projected to rise about 32% by 2029 — from 13 in 2024 to a central estimate of 17 (95% range 9.1–25). A 5-year backtest shows a typical error of ±22%, with 100% of held-out values landing inside the 95% band.

+32%Change by 2029
17Projected 2029 index
9.12595% range
±22%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
2025179.625
2026179.525
2027179.325
2028179.225
2029179.125

Routes In Sierra Nevada

Routes recording Steller's Jay in Sierra Nevada.
Forest HillCALIFORNIA362022
Hat CreekCALIFORNIA302018
Last ChanceCALIFORNIA282019
Bass LakeCALIFORNIA272019
GeneseeCALIFORNIA272024
Greenhorn MtCALIFORNIA262008
Forest Hill 2CALIFORNIA252005
Cottage SpgsCALIFORNIA241975
Eagle LakeCALIFORNIA232024
JohnsvilleCALIFORNIA222024
LakeshoreCALIFORNIA222024
WoodfordsCALIFORNIA202024
Butte MeadowCALIFORNIA202014
PlacervilleCALIFORNIA202024
StrawberryCALIFORNIA192019
DownievilleCALIFORNIA172024
Pine MountainCALIFORNIA172017
GoumazCALIFORNIA162011
RivertonCALIFORNIA142023
Tuolumne GroveCALIFORNIA132024
PaxtonCALIFORNIA132024
WestvilleCALIFORNIA122024
ChilcootCALIFORNIA122024
Tahoe NfCALIFORNIA111994
Meadow ValleyCALIFORNIA102024

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