On the radio, unreasonably reject winger (6)

I believe the answer is:

toucan

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'winger' is the definition.
(toucan is a kind of bird)

I don't understand the rest of the clue.

(Other definitions for toucan that I've seen before include "Bird with a large brightly-coloured bill" , "Tropical American bird with immense beak" , "Large-billed tropical bird" , "exotic bird" , "Fruit-eating bird" .)

I've seen this clue in The Telegraph.

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