Some Cabernet and a bird (4)

I believe the answer is:

erne

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

'some cabernet and' is the wordplay.
'some' indicates a hidden word (some of the parts of the word are used).
'ERNE' is hidden within 'cabernet and'.

(Other definitions for erne that I've seen before include "Eagle, river and lough" , "Great lake in Fermanagh with lots of islands" , "Seabird" , "Irish river, loughs; sea bird" , "one that catches fish?" .)

I've seen this clue in The Everyman puzzle in The Observer.

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