Nocturnal Madagascan primate (3-3)

I think it could be either:

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3-3

aye-aye

(Other definitions for aye-aye that I've seen before include "Nocturnal primate - seaman's expression of compliance" , "Yes, skipper!" , "Rare Madagascan primate" , "Nautical 'yes'" , "Amorous relationship" .)

I've seen this clue in The Times and The Telegraph.

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