Singer smuggled in shorts for bathing (6)

I believe the answer is:

budgie

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'singer' is the definition.
(budgie is a kind of birdanimal)

I can't explain the remainder of the clue.

(Other definitions for budgie that I've seen before include "Common Australian cage-bird" , "Pet cage-bird from Australia" , "Cage-bird from Australia, in brief" , "Popular cage-bird from Australia" , "Abbreviated Australian cage-bird" .)

I've seen this clue in The Guardian.

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