Clash : encounters of bears and wolves / a production of Thirteen and National Geographic Television in association with WNET.org ; produced by Bob Landis, Janet Hess ; written by Janet Hess.

The grizzly bear and the wolf are the two dominant predators of Yellowstone Park, who contend with each other for control of the food supply.

Bibliographic Details

Corporate Authors:	WNET (Television station : New York, N.Y.), National Geographic Television & Film, WNET.ORG, Questar, Inc
Other Authors:	Landis, Bob, 1940-, Hess, Janet, Abraham, F. Murray
Language:	English
Published:	Chicago : Questar, [2010], ©2010.
Series:	Rovi Media Collection. Movies. Rovi K-12 education materials.
Subjects:	Competition (Biology) > Yellowstone National Park. Predatory animals > Yellowstone National Park. Grizzly bear > Yellowstone National Park. Wolves > Yellowstone National Park. Biotic communities > Yellowstone National Park. Biotic communities. Competition (Biology) Grizzly bear. Predatory animals. Wolves. United States > Yellowstone National Park. Wildlife television programs. Nature television programs. Nonfiction television programs.
Genre:	Wildlife television programs. Nature television programs. Nonfiction television programs.
Physical Description:	1 videodisc (53 min.) : sound, color ; 4 3/4 in.
Variant Title:	Encounters of bears and wolves.
Format:	Video DVD