Bird of prey child has on a string (4)

I believe the answer is:

kite

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'bird of prey' is the definition.
(kite is a kind of bird of prey)

I cannot understand how the rest of the clue works.

(Other definitions for kite that I've seen before include "Hawk-like bird" , "Small hawk" , "Flying toy; a quality mark" , "flyer" , "Flying toy on a string" .)

I've seen this clue in The Times.

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