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The highly social prairie dogs live in large colonies or “towns” – collections of prairie dog families that can span hundreds of acres. Families usually consist of 1 male and 2 to 4 females living in a strict social hierarchy.
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The “horns” of the pronghorn are comprised of a slender, laterally-flattened blade of bone which grows from the frontal bones of the skull, forming a permanent core. Skin covers the bony cores and develops into a keratinous sheath which is shed and regrown on an annual basis. The horn sheaths of the pronghorn are branched, [...]
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