Yellowstone has a variety of different animals. From bears to fish, there is an enormous amount of animals inside the first national park.

Mammals

Animal	Picture	Description	Video
Bison		The American bison stands at 5-6 1/2 feet tall. They are similar to buffalo, but they have smaller horns. They wallow, which is rolling in mud to get off insects and to block insects from coming through. For more info, click here.
Grizzly Bear		The grizzly bear is 3-5 feet tall from shoulder height, but can stand up to be 5 1/2-9 feet tall. They have brownish fur and a large hump on their back. They mainly live alone and hibernate in the winter. For more info, click here.
Black Bear		American black bears stand at 4-6 feet tall and 2 1/2- 3 1/2 feet tall at shoulder height. Even though they are named black bears, some have a cinnamon, blond, bluish grey, or yellow-white color to them. They can climb trees and are omnivores. For more info, click here.
Bighorn Sheep		The bighorn sheep is 3-3 1/2 feet tall at shoulder height. They have two curved horns. During mating season, two rams will charge at each other, clashing horns, until one gives up in defeat or dies. For more info, click here.
Pronghorn		Pronghorn are 2 1/2 to 3 1/2 feet tall. They have two white stripes on their neck. They can run up to 70 MPH to outrun their predators. For more info, click here.
Bobcat		Bobcats are mainly nocturnal creatures, but can be awake at anytime. Hunts down rabbits and rodents, sometimes deer if it is bedded down. It sneaks up on its prey and pounces on it. They climb trees to avoid predators. For more info, click here.
Canada Lynx		The Canadian lynx is similar to the bobcat. It hunts the same way but are slightly larger and feed on snowshoe hares. They have long black tufts on their ears. For more info, click here.