Species · Oregon · BBS 2025 Release · 1966–2024
Pinyon Jay Population Trend in Oregon
Pinyon Jay in Oregon has held roughly steady: down 2% on the route-weighted index since 1971.
-2%Since 1971
15Routes In State
41Years
Notable Pinyon Jay Trends in Oregon
No notable trend signals for Pinyon Jay in Oregon. See the full index history below.
Pinyon Jay Population Forecast in Oregon
If the recent trend holds, Pinyon Jay in Oregon is projected to fall about 75% by 2029 — from 0.51 in 2024 to a central estimate of 0.12 (95% range 0.00–0.95). A 5-year backtest shows a typical error of ±77.6%, with 100% of held-out values landing inside the 95% band.
-75%Change by 2029
0.12Projected 2029 index
0.00–0.9595% range
±77.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.15 | 0.00 | 0.98 |
| 2026 | 0.14 | 0.00 | 0.97 |
| 2027 | 0.14 | 0.00 | 0.97 |
| 2028 | 0.13 | 0.00 | 0.96 |
| 2029 | 0.12 | 0.00 | 0.95 |
Pinyon Jay Survey Routes in Oregon
| Deschutes | 27 | 2024 | 1968 |
| Catlow Rim | 15 | 2014 | 2014 |
| Sisters | 15 | 2024 | 1999 |
| Crooked Riv. | 12 | 2022 | 2022 |
| Green Mtn. | 5 | 2002 | 1995 |
| Bald Mtn. | 3 | 2024 | 2024 |
| Bly 2 | 2 | 2024 | 2016 |
| Summit Pr | 2 | 1984 | 1984 |
| Donnybrook | 2 | 1997 | 1997 |
| Davis Lake | 2 | 2008 | 2008 |
| Bly | 2 | 2001 | 2001 |
| Lapham Res. | 1 | 2001 | 1992 |
| Madras | 1 | 2003 | 1997 |
| Clover Creek | 1 | 1977 | 1977 |
| Silver Creek | 1 | 1996 | 1996 |
Pinyon Jay Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.