mammal
Mammals(Mammalia) are a extant class of warm-blooded vertebrate animals characterized by the presence of fur/hair on skin, a neocortex and mammary glands (nipples, teats, udders) for feeding their young with milk. The taxonomic class of mammals descend from a species group of prehistoric synapsid known as cynodontia 179 million years ago. Contemporary mammal species groups: - Mammal taxonomy tree map Major animal…
