Species · BCR 10 · BBS 2025 Release · 1966–2024
Pinyon Jay In Northern Rockies
Pinyon Jay in Northern Rockies has increased: up 38% on the route-weighted index since 1971.
+38%Since 1971
32Routes In Region
54Years
Notable Signals
No notable trend signals for Pinyon Jay in Northern Rockies. See the full index history below.
Forecast
If the recent trend holds, Pinyon Jay in Northern Rockies is projected to fall about 28% by 2029 — from 0.50 in 2024 to a central estimate of 0.36 (95% range 0.00–0.93). A 5-year backtest shows a typical error of ±411.9%, with 100% of held-out values landing inside the 95% band.
-28%Change by 2029
0.36Projected 2029 index
0.00–0.9395% range
±411.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.36 | 0.00 | 0.93 |
| 2026 | 0.36 | 0.00 | 0.93 |
| 2027 | 0.36 | 0.00 | 0.93 |
| 2028 | 0.36 | 0.00 | 0.93 |
| 2029 | 0.36 | 0.00 | 0.93 |
Routes In Northern Rockies
| Lay | COLORADO | 60 | 2024 |
| Anchor | WYOMING | 18 | 2016 |
| Rock Springs | WYOMING | 12 | 2013 |
| Willow Creek | MONTANA | 11 | 1980 |
| Lovell | WYOMING | 9 | 2019 |
| Browns Park | COLORADO | 4 | 2024 |
| Willow Creek 2 | MONTANA | 4 | 2021 |
| Ervay | WYOMING | 4 | 2009 |
| Baggs | WYOMING | 4 | 2021 |
| Carter | WYOMING | 4 | 2006 |
| Meeteetse | WYOMING | 3 | 2024 |
| Diamondville | WYOMING | 3 | 1980 |
| Maybell | COLORADO | 2 | 2024 |
| Boulder | MONTANA | 2 | 2023 |
| Laurel | MONTANA | 2 | 2022 |
| Summit Pr | OREGON | 2 | 1984 |
| Donnybrook | OREGON | 2 | 1997 |
| Woodruff | UTAH | 2 | 2010 |
| Clark | WYOMING | 2 | 2017 |
| Gebo | WYOMING | 2 | 2023 |
| Great Divide | COLORADO | 1 | 2004 |
| Pryor Mtn. | MONTANA | 1 | 2019 |
| Clover Creek | OREGON | 1 | 1977 |
| Silver Creek | OREGON | 1 | 1996 |
| Madras | OREGON | 1 | 2003 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.