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Over 150 million years ago, giant flying reptiles called pterodactyls soared across the skies with wingspans over 27 feet. Archaeopteryx was a small feathered flying reptile that evolved into the first bird. Modern birds differ from their reptilian ancestors in having feathers instead of scales on their wings, hollow bones, and being warm-blooded. Today there are over 9,000 bird species worldwide with diverse adaptations for flight, feeding, and nesting.

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api-417823294

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EN