qT=2&tQ=How does the owl's eye wink?&tC=an owl cannot wink; both eyes close at the same time|it closes both eyes at once and then opens them separately|it drops its upper eyelid to wink|an owl can keep its eyes open indefinitely&cC=3&fB=The owl is the only bird to drop its upper lid to wink; all other birds raise their lower eyelids. Owls, and all birds of prey, have three eyelids.

