The male ruby-throated hummingbird does indeed have a striking red throat, though the female of ... as these speedy little birds can beat their wings 53 times a second and fly in an acrobatic ...
Photograph by TUI DE ROY, MINDEN PICTURES During a courtship display, each male seeks to outdo the others with one body part: a red pouch hanging from his throat. When he inflates this gular sac ...
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