Aspen Center for Environmental Studies:
White Crowned Sparrow
Aspen Center for Environmental Studies:
Horned Lark
Aspen Center for Environmental Studies:
Elk Grazing on North Star
Aspen Center for Environmental Studies:
Red Necked Phalarope
Aspen Center for Environmental Studies:
Northern Flicker
Aspen Center for Environmental Studies:
Tree Swallow
Aspen Center for Environmental Studies:
Water Pipit
Aspen Center for Environmental Studies:
Red-winged Blackbird
Aspen Center for Environmental Studies:
Birding up Independence Pass
Aspen Center for Environmental Studies:
Birding Up Independence Pass
Aspen Center for Environmental Studies:
Birding Up Independence Pass
Aspen Center for Environmental Studies:
Birding Up Independence Pass
Aspen Center for Environmental Studies:
Birding Up Independence Pass
Aspen Center for Environmental Studies:
Ptarmigan
Aspen Center for Environmental Studies:
Ptarmigan
Aspen Center for Environmental Studies:
Birding Up Independence Pass
Aspen Center for Environmental Studies:
Birding Up Independence Pass
Aspen Center for Environmental Studies:
Birding Up Independence Pass
Aspen Center for Environmental Studies:
Birding Up Independence Pass
Aspen Center for Environmental Studies:
Birding Up Independence Pass