Heliothryx auritus (J F Gmelin): TROCHILIDAE: black-eared...
Heliothryx auritus (J F Gmelin): TROCHILIDAE: black-eared fairy
The black-eared fairy is a hummingbird that occurs in sub-tropical South America. Hummingbirds can beat their wings 38 to 78 times a second while flying. They feed on small insects and nectar. - -
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