Species · Colorado · BBS 2025 Release · 1966–2024
Greater Roadrunner Population Trend in Colorado
Greater Roadrunner in Colorado has collapsed: down 76% on the route-weighted index since 1992.
-76%Since 1992
12Routes In State
25Years
Notable Greater Roadrunner Trends in Colorado
long arc declinecomputed index
Greater Roadrunner has collapsed in Colorado: down 76% on the route-weighted index since 1992.
Greater Roadrunner Population Forecast in Colorado
If the recent trend holds, Greater Roadrunner in Colorado is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.05). A 5-year backtest shows a typical error of ±86.9%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2029
0.01Projected 2029 index
0.00–0.0595% range
±86.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.01 | 0.00 | 0.06 |
| 2026 | 0.01 | 0.00 | 0.05 |
| 2027 | 0.01 | 0.00 | 0.05 |
| 2028 | 0.01 | 0.00 | 0.05 |
| 2029 | 0.01 | 0.00 | 0.05 |
Greater Roadrunner Survey Routes in Colorado
| Crowley | 4 | 2010 | 1996 |
| Ninaview | 3 | 2017 | 2000 |
| Cone Mtn | 3 | 2018 | 2018 |
| Villegreen | 2 | 2018 | 1996 |
| Mica Butte | 2 | 1972 | 1972 |
| Gilpin | 2 | 2024 | 1992 |
| Gribbles Prk | 1 | 2001 | 2001 |
| Campo | 1 | 2016 | 2015 |
| Ludlow | 1 | 2002 | 2001 |
| Walsenburg | 1 | 1997 | 1997 |
| Doyle Bridge 2 | 1 | 2007 | 1999 |
| Trinchera | 1 | 2019 | 1990 |
Greater Roadrunner Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.