grizzly bear boar feeding on a dead buffalo carcass in the lehardy rapids in yellowstone national park in wyoming usa

animal arctos bear bison black boar brown buffalo carcass carnivore claw dead eating ecotourism fat feeding fur grizzly hayden holiday horribilis lehardy male mammal mountain national nose omnivore park paw predator rapids river safari silvertip snout states tourism travel united ursus usa vacation valley wet wilderness wildlife wyoming yellowstone