All dolphins are mammal's. Reptiles do not swim.
a dolphin is a mammal
It's a mammal
A dolphin is a mammal because they breath air just like humans
The only thing I can imagine you are asking about is a Bottlenose dolphin, and it is a mammal.
No it is a mammal. It breathes air, has hair, has a backbone, has it's young alive. Reptiles do NONE of that.
A dolphin is neither reptile, amphibian, or fish. It is a mammal. It comes up to the surface of the water to breathe air through it's blowhole.
Is a crab a reptile or a mammal
is a caribou a reptile or a mammal
A dolphin is neither a reptile nor a fish. Dolphins are mammals and belong to the order Cetacea, along with whales and porpoises. They have lungs for breathing air, give birth to live young, and nurse their offspring with milk.
It has hair as a body covering as it is a mammal.
Baby Dolphins of all species of Dolphins are called calves.
A "dolphin" is a mammal.