Bird can tinkle with no ending (6)

I believe the answer is:

peewit

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'bird' is the definition.
(peewit is a kind of bird)

'tinkle with no ending' is the wordplay.
'tinkle' becomes 'pee' (I've seen this in another clue).
'with no ending' becomes 'wit' (I can't explain this - if you can you should believe this answer much more).
'pee'+'wit'='PEEWIT'

'can' acts as a link.

Can you help me to learn more?

(Other definitions for peewit that I've seen before include "Flighty type" , "Lapwing turned up in a wee pit" , "Northern lapwing" , "Kind of plover; let it weep" , "Lapwing - ie wept (anag)" .)

I've seen this clue in the Sydney Morning Herald.

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