Possibly keeps pets (5)

I believe the answer is:

pekes

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'pets' is the definition.
The answer and definition can be both animals as well as being plural nouns.
Maybe they are linked in a way I don't understand?

'possibly keeps' is the wordplay.
'possibly' indicates anagramming the letters.
'keeps' with letters rearranged gives 'PEKES'.

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I've seen this clue in the Evening Standard.

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