Search results
19 hours ago · The top, or upper, side of a bird's wing. [ 433 ]Compare: underwing. uropygial gland. Also, preen gland; oil gland. A gland found at the rump, at the base of the tail that produces a waxy secretion made up of oils, fatty acids, fats and water that the majority of birds use in daily preening of their feathers.
People also ask
What is the outer wing of a bird?
What is a bird's upper wing called?
What are wing types?
What is a bastard wing?