the externally visible part of the oral cavity on the face and the system of organs surrounding the opening

warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

eat by pecking at, like a bird

hit lightly with a picking motion

the fleshy, waxy covering at the base of the upper beak of some birds

warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings