Their feathers, roosting behaviors and adaptability help birds survive the cold, “nature’s proving ground.” By Margaret Roach Winter mornings begin at David Sibley’s Deerfield, Mass., household as ...
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How birds use their tails to fly, flirt and more
Have you ever wondered what a bird’s tail is made of? It’s actually just feathers. Unlike animals such as cats or dogs, there are no bones or muscles back there, just a set of strong, flat feathers.
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