The Sunflower Starfish (of Sea Star) is none of the four mentioned in the question. It is an echinoderm, a marine invertebret having a central disc and many arms.
mammal is elephant, bird is ostrich, amphibian is frog, and reptile is nile crocodile
Newt is an amphibian
amphibian
mammal
* Mammal - Elephant * Amphibian - Frog * Bird - Vulture * Reptile - Black Mamba snake
A bird is a bird. It is neither a mammal nor an amphibian. Its classification is "bird".
A puma is a mammal.
A panda, a distant relative of raccoons, is a mammal.
a dolphin is a mammal
Chickens are birds.
It's a bird !
A sailfish is a fish.