Assertion: living monotreme | /r/HasProperty | duck-billed platypus
Facets:
Source sentences:
text: The only living monotremes we have left are the duck-billed platypus , and the 4 species of echidna that exist.
text: The only living monotremes are the duck-billed platypus, found in Australia and New Guinea, and the echidnas, found in New Guinea.