No. Mammals which lay eggs are monotremes. Placental mammals and marsupials give live birth.
Bats are placental mammals. Unlike monotremes, they do not lay eggs.
Yes. Dolphins are placental mammals because they do not have a pouch like most marsupials, and they do not lay eggs like the monotremes.
Because placentals are the largest number of mammals.
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.
Actually, not all animals that lay eggs are mammals, and not all mammals give live birth. Some snakes have livebirth(reptile), and the platapus(mammal), lays eggs. But, to answer your question, animal that lay eggs are called reptiles, amphibeans, fish, and birds.
A miracle. Walruses are placental mammals, so they give live birth. They do not lay eggs.
Mammals that lay eggs are called monotremes. They are placed in the infraclass and order Monotremata.
Elephants are mammals Mammals don't lay eggs
The animals which do not lay eggs they are called mammals animalSome animals that does not lay eggs are:dogscatsanacondasmonkeysbearslionsjaguarscheetahsbullscowshorsesbaboonschimpsgorillasmongooselionelephanttiger
Elephants are mammals, and do not lay eggs.
Porcupines are mammals and do not lay eggs
Sheep are mammals and mammals do not lay eggs with one exception, the monotremes, of which the Platypus is an example.