Many birds sing during the day, but some prefer the night. Nine species are known for their nocturnal songs. The Northern Mockingbird mimics calls in North America. The Common Nightingale sings ...
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Great potoo: The 'tree stump' bird with a haunting growl and can see with its eyes closed
Why it's awesome: The great potoo is a master of disguise. Its mottled gray-brown feathers and ability to remain perfectly still often cause it to be mistaken for a tree branch or stump, helping it ...
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