Mammal vs. Marsupial

Mammalnoun

An animal of the class Mammalia, characterized by being warm-blooded, having hair and feeding milk to its young.

Mammalnoun

(paleontology) A vertebrate with three bones in the inner ear and one in the jaw.

Mammalnoun

One of the Mammalia.

Mammalnoun

any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk

Mammal

Mammals (from Latin mamma, 'breast') are a group of vertebrate animals constituting the class Mammalia (), and characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or hair, and three middle ear bones. These characteristics distinguish them from reptiles and birds, from which they diverged in the Carboniferous, over 300 million years ago.

Marsupialnoun

A mammal of which the female has a pouch in which it rears its young, which are born immature, through early infancy, such as the kangaroo or koala, or else pouchless members of the Marsupialia like the shrew opossum.

Marsupialadjective

Of or pertaining to a marsupial.

Marsupialadjective

(anatomy) Of or relating to a marsupium.

Marsupialadjective

Having a pouch for carrying the immature young; of or pertaining to the Marsupialia.

Marsupialadjective

Of or pertaining to a marsupium; as, the marsupial bones.

Marsupialnoun

One of the Marsupialia.

Marsupialnoun

mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried

Marsupialadjective

of or relating to the marsupials;

Marsupial

Marsupials are any members of the mammalian infraclass Marsupialia. All extant marsupials are endemic to Australasia and the Americas.