WILDLIFE
Birds
Birds are feathered, winged, two-legged, warm-blooded, egg-laying vertebrates. They also have a beak, a four-chambered heart, and a lightweight but strong skeleton.
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Birds are feathered, winged, two-legged, warm-blooded, egg-laying vertebrates. They also have a beak, a four-chambered heart, and a lightweight but strong skeleton.