What animal lays eggs but it feeds its young on milk?

Answer:
Both the platypus and the echidna are egg-laying mammals. They belong to the group known as monotremes and, like all mammals, they feed their young on mothers' milk.
First answer by On the Wallaby. Last edit by On the Wallaby. Contributor trust: 2774 [recommend contributor recommended]. Question popularity: 12 [recommend question].