BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Pinyon Jay In Great Basin

All regionsGreat BasinGeneralists

Pinyon Jay in Great Basin has fallen sharply: down 72% on the route-weighted index since 1970.

-72%Since 1970
66Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Pinyon Jay has fallen sharply in Great Basin: down 72% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Pinyon Jay in Great Basin is projected to fall about 45% by 2029 — from 2.7 in 2024 to a central estimate of 1.5 (95% range 0.00–4.3). A 5-year backtest shows a typical error of ±69.3%, with 100% of held-out values landing inside the 95% band.

-45%Change by 2029
1.5Projected 2029 index
0.00–4.395% range
±69.3%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
20251.60.004.4
20261.50.004.4
20271.50.004.3
20281.50.004.3
20291.50.004.3

Routes In Great Basin

Routes recording Pinyon Jay in Great Basin.
Toiyabe NfNEVADA1952024
IllipahNEVADA1632021
CortezNEVADA782024
Crowley LakeCALIFORNIA372004
DeschutesOREGON272024
Deep SpringsCALIFORNIA222012
GardnervilleNEVADA222005
SutcliffeNEVADA201971
Desert NwrNEVADA192016
Dobbin CreekNEVADA172018
WillisNEVADA162024
BridgeportCALIFORNIA151974
Catlow RimOREGON152014
SistersOREGON152024
BentonCALIFORNIA132024
NewcastleUTAH132021
Crooked Riv.OREGON122022
LeamingtonUTAH122017
Ruby Valley 2NEVADA112016
RanchograndeNEVADA92016
MizpahNEVADA92024
Gardnerville 2NEVADA92018
PocatelloIDAHO82015
BodieCALIFORNIA72024
BerylUTAH72024

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