Birds

Birds

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Uploaded: 11, November 2018

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birds also known as aves are a group of endothermic vertebrates characterised by feathers toothless beaked jaws the laying of hard shelled eggs a high metabolic rate a four chambered heart and a strong yet lightweight skeletonbirds live worldwide and range in size from the 5 cm 2 in bee hummingbird to the 275 m 9 ft ostrich
//HISTATS DISINI