Species · Colorado · BBS 2025 Release · 1966–2024
Eastern Bluebird Population Trend in Colorado
Eastern Bluebird in Colorado has fallen sharply: down 74% on the route-weighted index since 1993.
-74%Since 1993
12Routes In State
12Years
Notable Eastern Bluebird Trends in Colorado
No notable trend signals for Eastern Bluebird in Colorado. See the full index history below.
Eastern Bluebird Survey Routes in Colorado
| Fleming | 4 | 2003 | 1970 |
| Wildhorse L | 2 | 2006 | 2006 |
| Harmony | 2 | 1996 | 1996 |
| Gardner | 2 | 2001 | 2001 |
| Doyle Bridge 2 | 1 | 2021 | 2017 |
| Mesaverde Np | 1 | 2005 | 2005 |
| Grover | 1 | 2017 | 2017 |
| Abarr | 1 | 2007 | 2007 |
| Boyero | 1 | 1979 | 1979 |
| Doyle Bridge | 1 | 1997 | 1997 |
| Haswell | 1 | 1993 | 1993 |
| Ellicott | 1 | 2006 | 2006 |
Eastern Bluebird Population Trend in Other States
alabamaarizonaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.