Many different kinds of animals live in national parks. Here are three.
Mule deer (above) are common in Yosemite Valley. They roam through the forest. They can be seen all year round.
The Grand Canyon is home to gila monsters. These venomous reptiles have black and orange patches on their body and stripes on their tail.ERIN DONALSON—GETTY IMAGES
Hawksbill turtles swim off the coasts of the Hawaiian Islands. They nest in Hawaii Volcanoes National Park. They are an endangered species.4FR/GETTY IMAGES