Animals with fur or hair that feed milk to their babies.
Mammals
Animals with feathers and wings that lay eggs.
Birds
Animals with dry, scaly skin that are cold-blooded.
Reptiles
Animals that live in water and breathe through gills.
Amphibians
Animals with smooth skin that live on land and in water.
Fish
Small animals with 6 legs and 3 body parts.
Insects
Dolphins, dogs, and lions belong to this group.
Mammals
Eagles, penguins, and parrots belong to this group.
Birds
Frogs and salamanders belong to this group.
Amphibians
Snakes, lizards, and turtles belong to this group.
Reptiles
