Assertion: beaver's predator | /r/HasProperty | black bears
Facets:
Source sentences:
text: In addition to having a diversity of small animals, Yellowstone is notable for its predator–prey complex of large mammals, including eight ungulate species (bighorn sheep, bison, elk, moose, mountain goats, mule deer, pronghorn, and white-tailed deer) and seven large predators (black bears, Canada lynx, coyotes, grizzly bears, mountain lions, wolverines, and wolves).
text: The primary predator of the black-tailed prairie dog, the black-footed ferret, was almost driven to extinction.