Species · BCR 18 · BBS 2025 Release · 1966–2024
Pinyon Jay In Shortgrass Prairie
Pinyon Jay in Shortgrass Prairie has fallen sharply: down 68% on the route-weighted index since 1981.
-68%Since 1981
10Routes In Region
39Years
Notable Signals
long arc declinecomputed index
Pinyon Jay has fallen sharply in Shortgrass Prairie: down 68% on the route-weighted index since 1981.
Forecast
If the recent trend holds, Pinyon Jay in Shortgrass Prairie is projected to fall about 15% by 2026 — from 0.15 in 2021 to a central estimate of 0.13 (95% range 0.00–0.57). A 5-year backtest shows a typical error of ±756.4%, with 100% of held-out values landing inside the 95% band.
-15%Change by 2026
0.13Projected 2026 index
0.00–0.5795% range
±756.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2022 | 0.14 | 0.00 | 0.59 |
| 2023 | 0.14 | 0.00 | 0.58 |
| 2024 | 0.14 | 0.00 | 0.58 |
| 2025 | 0.13 | 0.00 | 0.58 |
| 2026 | 0.13 | 0.00 | 0.57 |
Routes In Shortgrass Prairie
| Ninaview | COLORADO | 17 | 2001 |
| Trinchera | COLORADO | 6 | 2021 |
| Cone Mtn | COLORADO | 5 | 2021 |
| Villegreen | COLORADO | 3 | 2017 |
| Farley | NEW-MEXICO | 3 | 1997 |
| Sabinoso | NEW-MEXICO | 3 | 2016 |
| Variadero | NEW-MEXICO | 2 | 2021 |
| Mica Butte | COLORADO | 1 | 1986 |
| Crawford | NEBRASKA | 1 | 2005 |
| Wagon Mound | NEW-MEXICO | 1 | 1973 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.