Together with the four species of echidna, it is one of the five extant species of monotremes, the only mammals that lay eggs instead of giving birth.
The platypus is one of two mammals that lay eggs instead of giving birth. Together with the four species of echidna, it is one of the five extant species of monotreme.
Together with the four species of echidna, it is one of the five extant species of monotreme. The platypus is one of two mammals that lay eggs instead of giving birth.
Together with the four species of echidna, it is one of the five extant species of monotreme. The platypus is one of two mammals that lay eggs instead of giving birth.