GALLERY DESCRIPTION: Warm-blooded, milk-producing vertebrates with protective coats of hair in varying sizes and adaptive traits, from small ground-dwelling rodents to grazing ungulates to carnivorous predators to flying bats
GALLERY DESCRIPTION: Warm-blooded, milk-producing vertebrates with protective coats of hair in varying sizes and adaptive traits, from small ground-dwelling rodents to grazing ungulates to carnivorous predators to flying bats
