There is one other kind of monotreme in the world and that is the echidna, or spiny anteater. It is native to Australia and New Guinea. There are 2 different species of echidna in all:
There are three recognised sub-species of the long-beaked echidna: the Western long-beaked echidna, Sir David's long-beaked echidna and the Eastern long-beaked echidna.
The platypus belongs to the subfamily of monotremes. Monotremes are egg-laying mammals.
Monotremes
No. Like most modern mammals, humans are placental mammals. The only living monotremes are the platypus and the echidna.
Monotremes are egg laying mammals, the platypus and the echidna are the only two monotremes.
Monotremes
The "spiny anteater" is only a nickname for echidna. Echidnas and platypuses are monotremes which means egg laying mammals.
Monotremes are mammals that lay eggs, such as the Echidna and the Platypus.
Out of an egg. Platypuses are Monotremes.
There are two types of monotremes, the echidnas and the platypus. Everybody knows what a platypus is. However, very few people know what an echidna is. So platypus are the most famous monotremes.
The platypus is not related to birds. They are monotremes. (mammals that lay eggs.)
The two monotremes in Australia are the platypus and the short-beaked echidna.
The platypus and the echidna are both Australian monotremes.