Species · BCR 18 · BBS 2025 Release · 1966–2024
Mountain Bluebird In Shortgrass Prairie
Mountain Bluebird in Shortgrass Prairie has declined: down 36% on the route-weighted index since 1970.
-36%Since 1970
22Routes In Region
53Years
Notable Signals
No notable trend signals for Mountain Bluebird in Shortgrass Prairie. See the full index history below.
Forecast
If the recent trend holds, Mountain Bluebird in Shortgrass Prairie is projected to stay roughly flat through 2029, near 0.20 (95% range 0.00–0.44). A 5-year backtest shows a typical error of ±298.2%, with 100% of held-out values landing inside the 95% band.
+2%Change by 2029
0.20Projected 2029 index
0.00–0.4495% range
±298.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.20 | 0.00 | 0.44 |
| 2026 | 0.20 | 0.00 | 0.44 |
| 2027 | 0.20 | 0.00 | 0.44 |
| 2028 | 0.20 | 0.00 | 0.44 |
| 2029 | 0.20 | 0.00 | 0.44 |
Routes In Shortgrass Prairie
| Ninaview | COLORADO | 12 | 2017 |
| Elbert | COLORADO | 9 | 2024 |
| Villegreen | COLORADO | 7 | 2017 |
| Trinchera | COLORADO | 3 | 2021 |
| Chugwater | WYOMING | 3 | 2024 |
| Kiowa 2 | COLORADO | 2 | 2024 |
| Arsenal 2 | COLORADO | 2 | 2021 |
| Agate 2 | NEBRASKA | 2 | 2018 |
| Lingle | WYOMING | 2 | 1991 |
| Kiowa | COLORADO | 1 | 2018 |
| Mica Butte | COLORADO | 1 | 1987 |
| Campo | COLORADO | 1 | 2018 |
| Cone Mtn | COLORADO | 1 | 2024 |
| Doyle Bridge 2 | COLORADO | 1 | 2008 |
| Crawford | NEBRASKA | 1 | 2024 |
| Pine Ridge | NEBRASKA | 1 | 2022 |
| Farley | NEW-MEXICO | 1 | 2017 |
| Rosebud | NEW-MEXICO | 1 | 2022 |
| Sabinoso | NEW-MEXICO | 1 | 1993 |
| Maxwell | NEW-MEXICO | 1 | 2021 |
| Cheyenne | WYOMING | 1 | 2017 |
| Pine Bluff | WYOMING | 1 | 2023 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.