Mammals Encyclopedia
Mammals are members of a class of air-breathing vertebrate animals characterised by the possession of endothermy, hair, three middle ear bones, and mammary glands functional in mothers with young. Most mammals also possess sweat glands and specialised teeth, and the largest group of mammals, the placentals, have a placenta which feeds the offspring during gestation.
Jaguar The jaguar (Panthera onca) is the largest member of the cat family, Felidae, and one of four "big cats" in the genus Panthera
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