The platypus was hunted for its fur, but it has been a legally protected species in all states where it occurs since 1912. It has appeared as a national mascot, features on the reverse of the Australian twenty-cent coin, and is an emblem of the state of New South Wales. It is culturally significant to several Aboriginal peoples, who also used to hunt it for food. The unique features of the platypus make it important in the study of evolutionary biology, and a recognisable and iconic symbol of Australia. In 1799, the first scientists to examine a preserved platypus body judged it a fake made of several animals sewn together. The unusual appearance of this egg-laying, duck-billed, beaver-tailed, otter-footed mammal at first baffled European naturalists. It is one of the few species of venomous mammals, as the male platypus has a spur on the hind foot that delivers an extremely painful venom. Like other monotremes, the platypus senses prey in cloudy water through electrolocation. Together with the four species of echidna, it is one of the five extant species of monotremes, mammals that lay eggs instead of giving birth to live young. ![]() The platypus is the sole living representative or monotypic taxon of its family Ornithorhynchidae and genus Ornithorhynchus, though a number of related species appear in the fossil record. ![]() The platypus ( Ornithorhynchus anatinus), sometimes referred to as the duck-billed platypus, is a semiaquatic, egg-laying mammal endemic to eastern Australia, including Tasmania.
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