NO. Chickens lay eggs. The belong in the group of organisms called Aves (birds). Mammals are born of a mother without ever being laid in an egg, have hair and drink milk as babies (Exception the Acidna and the Duck billed platypus are mammals that lay eggs)
Of course not ...no birds are mammals !!!!!!!!!!!No, they are birds.
Mammals are animals that are different from the others because mammals give milk to their young. Humans, cats, dogs, horses, deer and dolphins are all mammals tha have nipples from which milk is delivered to the young. Birds, and specifically roosters, do not give milk and therefore have no need of nipples. However, you might find it interesting that chickens do have bellybuttons.
No, they are birds.
No. Birds are not mammals.
No. They are birds. Birds and mammals are separate classes of animal.
No. They are birds. Birds and mammals are separate classes of animal.
Raccoons are not birds. Raccoons are mammals.
Mammals differ from birds as birds lay eggs, and mammals give live birth.
No. Woodpeckers are birds and birds are not mammals.
birds have eggs and mammals have living babies
They did not. Mammals evolved independently of birds.