Monotreme
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Monotremes are mammals of the order Monotremata. They are the only mammals still in existence which lay eggs, rather than bearing live young. The five extant monotreme species are the platypus and the
Monotreme collage
Platypus
Short-beaked echidna
A model of the extinct monotreme Steropodon at the Australian Museum
Platypus
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The platypus, sometimes referred to as the duck-billed platypus, is a semiaquatic, egg-laying mammal endemic to eastern Australia, including Tasmania. The platypus is the sole living representative of
Monotreme
…Monotremata. They are the only mammals still in existence which lay eggs, rather than bearing live young. The five extant monotreme species are the platypus and the four species of echidnas. Monotremes are typified by structural differences in their brains, jaws, digestive tracts, reproductive tracts, and…
A book for children published in Germany in 1798
Illustration from the first scientific description in 1799
Colour print from 1863