Whales are aquatic mammals, not amphibians.
Born animals are mammals and eggs can be from birds, reptiles, amphibians and two types of mammals, the platypus and the echidna.
no salamanders are amphibians mammals have hair, amphibians do not
Mammals.
They are mammals.
No, treefrogs are amphibians, not mammals.
Bisons are mammals.
Amphibians are naked while mammals possess hair on skin .
Dolphins are mammals.
no, there amphibians.
Dinosaurs are more closely related to mammals. Both mammals and dinosaurs share a reptilian ancestor that they don't share with amphibians.
Mammals are the only ones that can have fur or hair over their skin. Birds have feathers. Amphibians have moist skin. Reptiles have scaly skin. Fish have scales.