Do Horned Owls Eat Cats. Most owls feed on small prey such as mice, rats, frogs, birds, and insects. I am sharing this answer because it just happened to us.
Much of the great horned owl’s prey essentially consists of small animals let alone rodents. Great horned owls take skunks, marmots, muskrats, and house cats. But i didn’t know that barred owls would do the same.
It’s a crazy food chain out there and just because your cat is almost as large as the owl, it doesn’t mean the bird won’t try to eat it.
But you'd see remains, they can't eat the bones and most of the skin. The daily mail reports that this photo was taken in minnesota. Great horned owls do not prepare their own nests, instead they take over vacant stick nests left by other birds such as herons, hawks, etc. Most owls feed on small prey such as mice, rats, frogs, birds, and insects.