Flyer exercises intelligence (5)

I believe the answer is:

pewit

'flyer' is the definition.
(pewit is a type of bird)

'exercises intelligence' is the wordplay.
'exercises' becomes 'pe' (Physical Education class).
'intelligence' becomes 'wit' (wit is a kind of intelligence).
'pe'+'wit'='PEWIT'

(Other definitions for pewit that I've seen before include "Lapwing" , "Bird" .)

I've seen this clue in The Times.

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