1. Wild Animals of Yellowstone National Park
Isle Royale had a time period when it was a wolf-free system, but they re-introduced themselves in 1940, by crossing the frozen Lake Superior. ... The grizzly bear population in both parks has had a steep increase since wolves made their comeback. Grizzly bears are of course capable of hunting on their own, however, they seem to prefer following wolves and driving them away from their kill sites so they can take them over, letting the wolves to all the hunting and killing. ...
- Word Count: 706
- Approx Pages: 3
- Has Bibliography
- Grade Level: High School
