"We can dissect them and find out what the owl ate," she said.

The owls sometimes eat farmers chickens and small to medium and largish dogs.

"Kids will get identification sheets and try to figure out what rodents the owls ate," Ms. Scalia said.

The owls will also eat earthworms, amphibians and aquatic invertebrates.

The owls did not eat.

(The owls do not eat prairie dogs, but batten instead on smaller prey.)

If owls, hawks, falcons or other predators eat rats that have eaten poison, they too can die.

The barred owl eats rabbits, squirrels, bats, snakes, and small insects.

We learn that the owl eats mice, after Roy asks.

He said some people linked it to a drop in the population of lemmings, which the owls eat.