A mammal (from Latin mamma 'breast') is a vertebrate animal of the class Mammalia (/məˈmeɪli.ə/). Mammals are characterized by the presence of milk-producing...

Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. They include animals such as cetaceans (whales, dolphins and...

Mammalia is a class of animal within the phylum Chordata. Mammal classification has been through several iterations since Carl Linnaeus initially defined...

Placental mammals (infraclass Placentalia /plæsənˈteɪliə/) are one of the three extant subdivisions of the class Mammalia, the other two being Monotremata...

Small mammals or micromammals are a subdivision of mammals based on their body mass and size. Different values have been used as the upper limit. The International...

beast') is a subclass of mammals amongst the Theriiformes. Theria includes the eutherians (including the placental mammals) and the metatherians (including...

Mammal Review is a zoology journal published by Wiley-Blackwell on behalf of The Mammal Society. Covering all areas of mammalian biology, ecology, physiology...

A state mammal is the official mammal of a U.S. state as designated by a state's legislature. The first column of the table is for those denoted as the...

regular basis in uninseminated sexually reproductive-age females of certain mammal species. Although there is some disagreement in definitions between sources...

inter-sexual competition. Unlike more social species bears, being solitary mammals, have wide-ranging habitats to locate potential mates. Due to the asynchrony...