Species · Colorado · BBS 2025 Release · 1966–2024
American Pipit Population Trend in Colorado
American Pipit in Colorado has surged: up 311% on the route-weighted index since 1991.
+311%Since 1991
16Routes In State
34Years
Notable American Pipit Trends in Colorado
long arc increasecomputed index
American Pipit has surged in Colorado: up 311% on the route-weighted index since 1991.
American Pipit Population Forecast in Colorado
If the recent trend holds, American Pipit in Colorado is projected to stay roughly flat through 2029, near 0.21 (95% range 0.00–0.60). A 5-year backtest shows a typical error of ±126.1%, with 100% of held-out values landing inside the 95% band.
+7%Change by 2029
0.21Projected 2029 index
0.00–0.6095% range
±126.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.21 | 0.00 | 0.61 |
| 2026 | 0.21 | 0.00 | 0.60 |
| 2027 | 0.21 | 0.00 | 0.60 |
| 2028 | 0.21 | 0.00 | 0.60 |
| 2029 | 0.21 | 0.00 | 0.60 |
American Pipit Survey Routes in Colorado
| Lake City | 19 | 2003 | 1997 |
| Mount Evans | 18 | 2024 | 1996 |
| Trail Ridge Road | 15 | 2014 | 2003 |
| Gold Hill | 9 | 1998 | 1998 |
| Summitville | 3 | 2023 | 1992 |
| Thomasville | 2 | 1993 | 1993 |
| Como | 2 | 2014 | 2014 |
| Tincup | 2 | 1999 | 1999 |
| Marshall Pas | 2 | 2003 | 2003 |
| Willow Peak | 1 | 1990 | 1990 |
| Red Cliff | 1 | 2007 | 1991 |
| Rollins Pass | 1 | 2003 | 1998 |
| Uncompahgre | 1 | 2016 | 2016 |
| Weston Pass 2 | 1 | 2024 | 2005 |
| Parlin | 1 | 1986 | 1986 |
| Guanella Pas | 1 | 2016 | 2016 |
American Pipit Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.