Only if it's a platypus or an echidna.
No Lamb is a mammal. Mammals do not lay egg.
A hippopotamus is a mammal, and therefore does not lay an egg. They give birth to live young much in the same way that humans do.
Yes. Egg-laying mammals are called monotremes. They include the platypus and the echidna.
A giraffe is a mammal and gives live birth.
Yes, many of them. Only two mammals lay eggs, the platypus and the echidna.
There is no mammal that lays chickens. Even chickens do not lay chickens: they lay eggs. there are two types of egg-laying mammals (not chicken-laying), and they are the platypus and the echidna.
No. This is a characteristic of amphibians. the only mammals to lay eggs, platypuses and echidnas, do not lay them in a jelly-like substance.
A hippopotamus is a mammal, and therefore does not lay an egg. They give birth to live young much in the same way that humans do.
There is no such thing. Mammals are one classification, and birds are another. All birds lay eggs. The platypus and the echidna are the only egg-laying mammals.
It doesn't since its a mammal, not a bird. Instead, it gives birth.
It's a mammal so it gives birth to babies.
No. The numbat is not a monotreme, or egg-laying mammal. The numbat is a marsupial, which gives live birth.