She starts to retreat further into the burrow, but comes back out to fuss at a raven that is circling the hilltop. That's all the diversion that the coyote needs. In a blur of motion, the song dog races in and snaps up the unfortunate ground squirrel.

Pound for pound, there is probably a greater volume of ground squirrels and other small rodents in Yellowstone than all of the other mammalian species combined.