Bird with a long fluttery tail? (4)
I believe the answer is:
kite
'bird' is the definition.
(kite is a kind of bird)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for kite that I've seen before include "Wind-borne frame" , "Winger" , "Toy flown at the end of a string" , "Flying toy; a quality mark" , "plane" .)