There is no such classification. However, monotremes are a sub-classification of mammals, and include the platypus and the echidna. They are egg-laying mammals.
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.
For all animals that reproduce by egg-laying, the word is "oviparous". The word for mammals that reproduce by laying eggs is "monotremes".
A bird that does not lay eggs and is a mammal would be a platypus. Platypuses are unique mammals that lay eggs, but are classified as mammals due to their ability to nurse their young with milk.
The scientific name for egg-laying mammals is monotremes. These unique mammals include the platypus and echidnas, which lay eggs instead of giving birth to live young.
Giraffes are mammals. Mammals do not lay eggs.
chickens give us eggs and the eggs have mammals inside. Platypus and echidna (monotremes, mammals that lay eggs)
No. Rabbits do not lay eggs. They are placental mammals. The only mammals which lay eggs are the monotremes, which include the platypus and the echidna.
Only two mammals produce eggs, the echidna and the platypus.
Mammals bury their eggs in sandsoil.
No, foxes are mammals and mammals aren't born in eggs.
The scientific name for monotremes is Monotremata. This group of mammals includes the platypus and echidnas, which are unique because they lay eggs instead of giving birth to live young.