Grizzly Bear Screensaver - Version 1.0 The free animal screensaver, Grizzly Bear, contains 14 high quality images of Grizzly Bears. The grizzly bear, sometimes called the silvertip bear, is a powerful brownish-yellow bear that lives in the uplands of western North America. It has traditionally been treated as a subspecies, Ursus arctos horribilis, of the brown bear living in North America. Grizzly Bear is a free screensaver created by RateMyScreensaver.com.