An owl uses its beak to eat.
https://pixabay.com/en/owl-wildpark-poing-bird-feather-1314450/

Diet

Different owls have different types of diets. Many owls eat snakes, insects, fish, rabbits, mice, and other small animals. 

Owls do not have teeth, so they cannot chew their food.  They tear their food with their sharp beaks or swallow their food whole.