Assertion: elk's predator | /r/HasProperty | gray wolves
Facets:
Source sentences:
text: Natural predators of elk include grizzly bears, gray wolves, American black bears, and mountain lions.
text: Their natural predators include the gray wolf (which are making a comeback in northeastern Oregon but have been extirpated in western Oregon) and mountain lions, which usually thin herds by taking old and weak elk.
text: Natural predators of elk include grizzly bears, gray wolves, American black bears, and mountain lions.