Select the reptile.
hippopotamus emerald tree boa gray wolf elephant seal
Reptiles have scaly, waterproof skin. Most reptiles live on land.
An emerald tree boa is a reptile. It has scaly, waterproof skin.
Tree boas eat small mammals, birds, lizards, and frogs. Tree boas only need to eat once every few months!
A gray wolf is a mammal. It has fur and feeds its young milk.
Wolves often live in family groups. A wolf mother, father, and their children travel together.
An elephant seal is a mammal. It has hair and feeds its young milk.
Seals have flippers instead of arms! They use their flippers to swim underwater or to crawl on the beach.
A hippopotamus is a mammal. It has hair and feeds its young milk.
Hippopotamuses keep cool by lying in mud or water.