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Bird
Birds (class Aves) are winged, bipedal, endothermic (warm-blooded), vertebrate animals that lay eggs. There are around 10,000 living species, making them the most numerous tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Birds range in size from the...
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Filter this CollectionWashington Post
Washington Post, a Yellow-headed Mexican parrot, was a pet of William McKinley.
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