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

Pinyon Jay In Sierra Nevada

All regionsSierra NevadaGeneralists

Pinyon Jay in Sierra Nevada has held roughly steady: up 7% on the route-weighted index since 1987.

+7%Since 1987
5Routes In Region
26Years

Notable Signals

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

Forecast

If the recent trend holds, Pinyon Jay in Sierra Nevada is projected to rise about 318% by 2024 — from 0.08 in 2019 to a central estimate of 0.33 (95% range 0.00–1.7). A 5-year backtest shows a typical error of ±267.5%, with 100% of held-out values landing inside the 95% band.

+318%Change by 2024
0.33Projected 2024 index
0.00–1.795% range
±267.5%Backtest error
19812024
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
20200.350.001.7
20210.350.001.7
20220.340.001.7
20230.340.001.7
20240.330.001.7

Routes In Sierra Nevada

Routes recording Pinyon Jay in Sierra Nevada.
Pine MountainCALIFORNIA32016
DardanelleCALIFORNIA21999
Little TruckeeCALIFORNIA21997
CrestviewCALIFORNIA22019
WoodfordsCALIFORNIA12016

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