Crossword Genius

Very large game bird (6)

Ross

I believe the answer is:

osprey

'bird' is the definition.
(I know that osprey is a bird)

'very large game' is the wordplay.
'very large' becomes 'os' (abbreviation for oversize).
'game' becomes 'prey' (both can mean animals which are hunted).
'os'+'prey'='OSPREY'

(Other definitions for osprey that I've seen before include "Fish-eating raptor" , "Spy roe (anag)" , "I grab fish" , "predatory bird" , "Large bird that preys on fish in inland waters" .)

I've seen this clue in The Independent.
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