Is platypus a mammal?

The platypus (Ornithorhynchus anatinus), sometimes referred to as the duck-billed platypus, is a semiaquatic egg-laying mammal endemic to eastern Australia, including Tasmania. Together with the four species of echidna, it is one of the five extant species of monotremes, the only mammals that lay eggs instead of giving birth to live young. read more

The platypus is among nature's most unlikely animals. In fact, the first scientists to examine a specimen believed they were the victims of a hoax. The animal is best described as a hodgepodge of more familiar species: the duck (bill and webbed feet), beaver (tail), and otter (body and fur). read more

The Platypus is a MAMMAL,more precisely an egg-laying (oviparous) mammal which is a species of Monotremes (although some people wrongly believe it to be a hybrid of an otter,a beaver and a duck!). read more