Avian Quiz Answer – April 29, 2011
10,000 Birds
MAY 2, 2011
From what I read, birds are the class of Aves [feathered, winged, bipedal, warm-blooded, egg-laying and vertebrate animals]. Also, and this is pretty cool, there are extinct birds that have different characteristics [no wings, for example. But how many families of birds are there?” Who knew?]. you might ask.
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