Farmyard birds (5)

I think it could be either:

Which length description are you looking for?:

geese

(Other definitions for geese that I've seen before include "Long-necked, migratory aquatic birds" , "Stupid people" , "Simpletons" , "Protectors of city" , "They come in gaggles and skeins" .)

I've seen this clue in The Mirror.

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.