duck-billed platypus (Ornithorhynchus anatinus) Duck-billed Platypus By Louis A. Sargent
Date 1909
Source http://www.flickr.com/photos/biodivlibrary/8116065976
Author Frank Finn
Full title The wild beasts of the world / by Frank Finn ; illustrated with 100 reproductions in full colours from drawings by Louis Sargent, Cuthbert E Swan, and Winifred Austin.
Source: https://commons.wikimedia.org/wiki/File:The_wild_beasts_of_the_world_(Plate_46)_(8116065976).jpg
The platypus or duck-billed platypus (Ornithorhynchus anatinus) is a semiaquatic egg-laying mammal endemic to eastern Australia, including Tasmania. It is one of the extant species of monotremes, the only mammals that lay eggs instead of giving birth.