Birds hearing poet who jumps from planes? (9)

I believe the answer is:

parakeets

I'm a little stuck... Click here to teach me more about this clue!

'birds' is the definition.
(parakeet is a kind of bird)

I cannot understand how the rest of the clue works.

(Other definitions for parakeets that I've seen before include "Birds" , "Peak rates (anag.)" .)

I've seen this clue in The Guardian.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.