The platypus is a mammal, sub class Prototheria. Like the echidna, it is a monotreme, which is an egg-laying mammal. This puts it in the order monotremata. Its scientific name is Ornithorhynchus Anatinus.
A platypus is a mammal. Like other mammals, it feeds its young on mother's milk. It just so happens that it is a mammal which lays eggs. Therefore, it is a monotreme. Both platypuses and echidnas are...
The platypus and the echidna are both monotremes, or egg-laying mammals. this is a unique classification of mammals, with only three known species: the platypus, the short-beaked echidna (both of...