A repetitive pet (6)

I believe the answer is:

parrot

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'a repetitive pet' is the definition.
The definition and answer can be both animals as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

This is all the clue.

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(Other definitions for parrot that I've seen before include "Psittacine bird" , "18's [BIRD]" , "Amazon" , "Raptor (anag.)" , "Brightly coloured tropical bird" .)

I've seen this clue in the Evening Standard.

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