Cassin's Vireos

Cassin's Vireo

Cassin's Vireo

Cassin's Vireo

Cassin's Vireo

Cassin's Vireo

Wild Plum Campground, Hwy 49, CA

Cassin's Vireo

Wild Plum Campground, Hwy 49, CA

Cassin's Vireo

Henry Coe State Park, CA

Cassin's Vireo

Henry Coe State Park, CA

Cassin's Vireo

Henry Coe State Park, CA

Cassin's Vireo, juvenile

Cave and Basin Marshes, Banff National Park, Alberta

Cassin's Vireo, juvenile

Cave and Basin Marshes, Banff National Park, Alberta

Cassin's Vireo

Vermilion Lakes, Banff National Park, Alberta

Cassin's Vireo

Vermilion Lakes, Banff National Park, Alberta

Cassin's Vireo

Cave and Basin Marsh, Banff, Banff National Park, Alberta