What is a Bird?A bird is a group of endotherm vertebrates, characterised by feathers, a beak with no teeth, the laying of hard-shelled eggs and a lightweight but strong skeleton.
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What is a bird?
What is a Bird?A bird is a group of endotherm vertebrates, characterised by feathers, a beak with no teeth, the laying of hard-shelled eggs and a lightweight but strong skeleton.
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