Assertion: monotreme | /r/HasProperty | echidna
Facets:
Source sentences:
text: All mammals are either Monotremes (echidnas and the platypus), Marsupials , or Placentals (us and dogs and monkeys and things).
text: The only other known monotreme, or egg-laying mammal is echidna or spiny anteater.
text: The known exceptions are the monotremes (echidnas and platypuses), cockroaches, and bees.