It's a song to fit her Latin name, Ornithorhynchus anatinus. Johann Friedrich Blumenbach published the replacement name "Ornithorhynchus" in 1800. Platypus is the English common name of the Australian egg-laying mammal "Ornithorhynchus anatinus". Among the monotremes, the platypus ("Ornithorhynchus anatinus") has the most acute electric sense. Excepting "Ornithorhynchus anatinus", all the animals listed in this section are known only from fossils. The supposed fossil platypus "Ornithorhynchus maximus" was based on a humerus of this species. Moreover, comparing with "Zhangheotherium", both "Akidolestes" and "Ornithorhynchus" has a shorter neck on the femur. There have also been occasional sightings of the platypus ("Ornithorhynchus anatinus") in the Little River. "Ornithorhynchus" is a semifossorial and semiaquatic monotreme, and it can swim and burrow.