Noticing where the bears fed and what they ate. ... During our visit, we had a rare opportunity to see ten wolves feeding on the carcass of a bison which had been pulled from the nearby frozen lake. Apparently, the massive creature had fallen through the ice some time before and been trapped there, preserved by the frigid temperatures until a bear happened along and pulled the bison from the "freezer". ... They, in turn, are food for the wolves, bears and coyotes. ... The coyotes and bears could not keep up. ...

• Word Count: 1835
• Approx Pages: 7
• Grade Level: High School

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

The Park imported 24 elk from the Land Between the Lakes National Recreation Area that borders Tennessee and Kentucky. ... Elk will be the largest animal in the Park, even bigger than the Black Bear. ...

• Word Count: 628
• Approx Pages: 3
• Grade Level: High School