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Yellowstone Scavengers

Scavengers in the Yellowstone, home to over 400 species, can gorge on nearly 40 tons of rotting elk during harsh winters. It's a dirty job, but someone's got to be nature's janitors. Casey is setting up a carcass stakeout to discover what happens to all the Yellowstone wildlife after death. Since turkey vultures can smell a carcass up to 12 miles away, he uses them to help him find animal carcasses to observe how they are devoured and by which ravenous creature.