Animals
Reptiles
Birds
Fish
Stingrays
Trout
Clown Fish
Salmon
Lizards
Crocodiles
Snakes
Turtles
Duck
Peacock
Sparrow
Eagle
Mammals
Dogs
Humans
Cats
Horses
Mammals drink milk and are born with hair on their bodies.
Reptiles have scaly skin, they are also cold blooded and born on land.
Fish are vertebrates and live in water. They have scales and fins on their bodies, and breathe through their gills.
What classifies a bird as a bird is its feathers. the feathers help their wings catch air when they fly.