Select the reptile.

 - humpback whale
 - gray tree frog
 - green iguana
 - California toad
A gray tree frog is an amphibian. It has moist skin and begins its life in water.
There are many kinds of tree frogs. Most tree frogs are very small. They can walk on thin branches.
A California toad is an amphibian. It has moist skin and begins its life in water.
Toads do not have teeth! They swallow their food whole.
A humpback whale is a mammal. It has hair and feeds its young milk.
Whales are mammals that live in the ocean. Humpback whales have small hairs that grow from bumps around their mouth.
A green iguana is a reptile. It has scaly, waterproof skin.
Iguanas are a type of lizard. Iguanas eat plants and fruit.