Birds of North America Illustrations

Calliope Hummingbird: Very small hummingbird with metallic green upperparts and flanks, and white underparts. Throat feathers are long and purple-red, appearing as streaks on a white background, whiskers when fluffed out, or dark, inverted V when folded. Female and juvenile have pale rufous flanks, green upperparts, white underparts, and small dark spots on throat.