Some cool Boulder, Colorado images:

Red-winged Blackbird
Boulder, Colorado
Image by treegrow
Agelaius phoeniceus. Boulder, Colorado, USA

Ring-necked Ducks
Boulder, Colorado
Image by treegrow
Aythya collaris. Boulder, Colorado, USA

Ring-necked Ducks
Boulder, Colorado
Image by treegrow
Aythya collaris. Boulder, Colorado, USA