Photo: Great Gray Owl is a tall ball of feathers

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While the gorgeous great gray owl is the tallest American owl with the largest wingspan, it is, notes the Cornell Lab of Ornithology, "just a ball of feathers." Not literally, of course, but it is big on fluff and light on the rest. In fact, both great horned and snowy owls have bigger feet and talons, and weigh half again as much! Thanks to Christina Anne M for this beautiful protrait.

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