Monotremes are very unique Mammals that lay eggs. There are currently 3 living species of Monotremes, two species of echidna the duckbill platypus.


  • Monotremes are the only group of Mammals that lay eggs.
  • The two species of echidna are the Short Beaked Echidna and the Long Beak Echidna.
  • Echidnas are also known as Spiny Anteaters.
  • The duckbill platypus has a bill similar to a ducks', and a tail similar to a beavers'.
  • Male platypuses contain venom, which is unusual in the animal kingdom.

Gallery of MonotremesEdit