Keywords: bison carcass grizzly bear grizzlybear yellowstone national park yellowstonenationalpark yellowstone river yellowstoneriver wildlife outdoor Grizzly bear on bison carcass in the Yellowstone River; Jim Peaco; March 3, 2016; Catalog #20551d; Original #_MG_1106 Grizzly bear on bison carcass in the Yellowstone River; Jim Peaco; March 3, 2016; Catalog #20551d; Original #_MG_1106 |