platypus (ornithorhynchus anatinus) swimming on a front view silhouette found in map of oceania

animal animal book print art baby platypus beak bird black carnivore design duck duck billed eastern australia eggs elements flat tail freshwater fur graphic habitat loss icon insect larvae isolated large nails mammals threatened nocturnal oceania ornithorhynchus anatinus river banks rivers semi aquatic sensory receptors sign silhouette small fish species solitary streams swimming symbol tadpoles tasmania underwater unique