An endangered species in Yellowstone national Park is the gray wolf.
- The wolf is the largest member in the canine family
- The gray wolves range in color from light gray or black to all white
- Gray wolves are meat eaters, so they eat deer, elk, moose, caribou, and small prey such as rabbits or beavers
- There are about 5,000 gray wolves in the U.S and about 200,000 around the world, there used to be 2 million in earlier times
- In 1973, the U.S fish and wildlife service declared Yellowstone as a recovery area for wolves
- There are about 400-450 wolves in Yellowstone