mammal - 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

naked mole rat - fetal-looking colonial rodent of east Africa; neither mole nor rat; they feed on tubers and have a social structure similar to that of honeybees and termites

Damaraland mole rat - colonial mole rat of western Africa; similar to naked mole rat