Species · BCR 17 · BBS 2025 Release · 1966–2024
Pinyon Jay In Badlands and Prairies
Pinyon Jay in Badlands and Prairies has fallen sharply: down 63% on the route-weighted index since 1971.
-63%Since 1971
27Routes In Region
52Years
Notable Signals
long arc declinecomputed index
Pinyon Jay has fallen sharply in Badlands and Prairies: down 63% on the route-weighted index since 1971.
Forecast
If the recent trend holds, Pinyon Jay in Badlands and Prairies is projected to fall about 84% by 2029 — from 0.20 in 2024 to a central estimate of 0.03 (95% range 0.00–0.51). A 5-year backtest shows a typical error of ±238.8%, with 100% of held-out values landing inside the 95% band.
-84%Change by 2029
0.03Projected 2029 index
0.00–0.5195% range
±238.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.06 | 0.00 | 0.53 |
| 2026 | 0.05 | 0.00 | 0.53 |
| 2027 | 0.05 | 0.00 | 0.52 |
| 2028 | 0.04 | 0.00 | 0.52 |
| 2029 | 0.03 | 0.00 | 0.51 |
Routes In Badlands and Prairies
| Recluse | WYOMING | 35 | 1983 |
| Mayoworth | WYOMING | 30 | 1992 |
| Roubaix Lk | SOUTH-DAKOTA | 10 | 1989 |
| Reed Point | MONTANA | 9 | 2019 |
| Teapot Dome | WYOMING | 9 | 1983 |
| Custer 2 | MONTANA | 8 | 2024 |
| Custer | SOUTH-DAKOTA | 6 | 2013 |
| Two Dot | MONTANA | 5 | 1996 |
| Piney | WYOMING | 5 | 1981 |
| Wind Cave Np | SOUTH-DAKOTA | 4 | 2024 |
| Brusett | MONTANA | 3 | 1989 |
| Pleasant Val | SOUTH-DAKOTA | 3 | 2007 |
| Meadowdale | WYOMING | 3 | 1984 |
| Jordan | MONTANA | 2 | 2011 |
| Forsyth | MONTANA | 2 | 2008 |
| Brandenberg | MONTANA | 2 | 2006 |
| Sundance | WYOMING | 2 | 1975 |
| Bucknum | WYOMING | 2 | 2024 |
| Leroy | MONTANA | 1 | 2013 |
| Shawmut | MONTANA | 1 | 2018 |
| Bull Mtn. | MONTANA | 1 | 2016 |
| Elk Mountain | SOUTH-DAKOTA | 1 | 1997 |
| Hazelrodt | SOUTH-DAKOTA | 1 | 2005 |
| Natrona | WYOMING | 1 | 1991 |
| Soda Well | WYOMING | 1 | 2015 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.