Question

why does preening have to be done​

Answer 1

Answer:

While preening, birds remove dust, dirt, and parasites from their feathers and align each feather in the optimum position relative to adjacent feathers and body shape. Most birds will preen several times a day to keep themselves healthy. The uropygial gland, or preen gland, is an essential part of preening.

Explanation:

please mark me brainlist..........

Answer 2

Answer:

While preening, birds remove dust, dirt, and parasites from their feathers and align each feather in the optimum position relative to adjacent feathers and body shape. Most birds will preen several times a day to keep themselves healthy. The uropygial gland, or preen gland, is an essential part of preening.

Explanation:

mark me as the brainliest