The montane cotton rat (Sigmodon zanjonensis ) is a rodent species in the family Cricetidae. It is found in the highlands of Chiapas, Mexico and Guatemala. The eastern and southern limits of its range have not yet been determined.
Among animals, viviparity is the development of the embryo inside the body of the parent. The term 'viviparity' and its adjective form 'viviparous'...
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