Species · BCR 18 · BBS 2025 Release · 1966–2024
Prairie Falcon In Shortgrass Prairie
Prairie Falcon in Shortgrass Prairie has declined: down 25% on the route-weighted index since 1973.
-25%Since 1973
72Routes In Region
48Years
Notable Signals
No notable trend signals for Prairie Falcon in Shortgrass Prairie. See the full index history below.
Forecast
If the recent trend holds, Prairie Falcon in Shortgrass Prairie is projected to stay roughly flat through 2028, near 0.09 (95% range 0.00–0.17). A 5-year backtest shows a typical error of ±148.7%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.09Projected 2028 index
0.00–0.1795% range
±148.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.09 | 0.00 | 0.17 |
| 2025 | 0.09 | 0.00 | 0.17 |
| 2026 | 0.09 | 0.00 | 0.17 |
| 2027 | 0.09 | 0.00 | 0.17 |
| 2028 | 0.09 | 0.00 | 0.17 |
Routes In Shortgrass Prairie
| Fleming | COLORADO | 7 | 2003 |
| Sabinoso | NEW-MEXICO | 3 | 2021 |
| Briggsdale | COLORADO | 2 | 2018 |
| Ellicott | COLORADO | 2 | 2017 |
| Ulysses | KANSAS | 2 | 2010 |
| Skellytown | TEXAS | 2 | 2017 |
| Pinneo | COLORADO | 1 | 1990 |
| Kiowa | COLORADO | 1 | 2013 |
| Last Chance | COLORADO | 1 | 2009 |
| Abarr | COLORADO | 1 | 2010 |
| Rush | COLORADO | 1 | 2019 |
| Boyero | COLORADO | 1 | 2015 |
| Mica Butte | COLORADO | 1 | 1982 |
| Gilpin | COLORADO | 1 | 2017 |
| Two Buttes | COLORADO | 1 | 2011 |
| Wildhorse L | COLORADO | 1 | 2002 |
| Adams Co. | COLORADO | 1 | 2016 |
| Gordon Creek | COLORADO | 1 | 2008 |
| Bethune | COLORADO | 1 | 2008 |
| Edison | COLORADO | 1 | 2023 |
| Crowley | COLORADO | 1 | 1989 |
| Cheyenne | COLORADO | 1 | 2009 |
| Villegreen | COLORADO | 1 | 2012 |
| Campo | COLORADO | 1 | 2016 |
| Cone Mtn | COLORADO | 1 | 2012 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.