duck-billed platypus (Ornithorhynchus anatinus) Français : Ornithorhynchides. Ornithornynque paradoxal
Author Charles Henry Dessalines d'Orbigny (1806–1876)  
Subject: Ornithorhynchus, Platypus
Tag: Aquatic Mammals
Date 1849
Source/Photographer
Français : D'Orbigny, M. Charles (1849) Dictionnaire Universel d'Histoire Naturelle. Atlas., Paris: MM. Renard, Martinet et Cie.
Source: https://commons.wikimedia.org/wiki/File:FMIB_46863_Ornithorhynchides_Ornithornynque_paradoxal.jpeg
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.