What bird is a mammal that lays eggs?

Answer:
There is no such thing as a bird that is a mammal. Mammals are one classification, and birds are another. All birds lay eggs. Most mammals do not lay eggs. The only exceptions are the monotremes, which include just the platypus and the echidna.
First answer by On the Wallaby. Last edit by On the Wallaby. Contributor trust: 2785 [recommend contributor recommended]. Question popularity: 1 [recommend question].