Yes, dolphins are mammals. Just like us. They do not have gills like fish, and have to come to the surface to breathe. They have live babies. They have fuzz on the top of their beak when they are babies, but it comes off as they grow.
a dolphin is a marine mammal that lives in open water in the ocean.
Mammal
A dolphin is a (marine) mammal. I could see why you may have thought amphibian, however an amphibian is more of a frog/lizard species.
No, they are not. Dolphins are a mammal, and sharks are not.
Whales and dolphins are Cetaceans..
Dolphins are members of the whales' mammal group
dolphins are a type of fish
Dolphins are in the class Mammalia.
mammal
Dolphins
dolphins
No, it is a mammal