A Great Horned Owl keeps its food supply away from competitors by defending its territory. By David One of the smallest owls is the Screech Owl. They are only 10 inches long and are the only small owls with ear tufts. Their color is a rusty-red, brown, and gray. They have yellow eyes.
Screech owls eat mostly large insects.
Screech owls like to spend the day in hollow trees and to nest there. They like to use the trees along city streets and in parks. They may give no sign that they are around until night. Then they give weird trembling calls and whistles that run up and down the musical scale. Screech Owls by Mikal Screech owls are the best known small owls.