False; both scottish and amazonian legends depict attractive people who shatter their lovers' hearts by returning to their true natures as aquatic mammals.
Mammary glands, which in females produce milk for nourishing (nursing) their young, a neocortex (a portion of the brain), fur or hair, and three middle ear bones are features that distinguish mammals (from the Latin mamma, "breast") from other vertebrate creatures. With the exception of birds, from which they split around 300 million years ago in the Carboniferous, they are distinguished by these traits from reptiles (including other birds). A total of 29 orders and 6,400 described mammals specie are currently living. Rodents, bats, and Eulipotyphla are the greatest orders in terms of the number of species (hedgehogs, moles, shrews, and others). The Artiodactyla, which includes cetaceans and even-toed ungulates, and the Carnivora are the following three groups: Primates (which includes humans, apes, monkeys, and other species), and (cats, dogs, and seals)
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