Question

what do birds use for preening their feathers​

Answer 1

Answer:

The uropygial gland, or preen gland, is an essential part of preening. This gland is found near the base of the tail and produces an oily, waxy substance that helps waterproof feathers and keep them flexible. While preening, birds spread this oil to each feather so they are evenly coated and protected

Hope it helps u

Answer 2

Explanation:

the uropygial gland or preen gland is essential part of preening for the birds preening theire feathers