Jab at brick construction for animal (4-6)

I believe the answer is:

jack-rabbit

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'animal' is the definition.
Both the definition and answer are singular nouns.
Maybe there's a link between them I don't understand?

'jab at brick construction' is the wordplay.
'construction' is an anagram indicator (answer constructed from certain letters).
'jab'+'at'+'brick'='jabatbrick'
'jabatbrick' anagrammed gives 'JACK-RABBIT'.

'for' is the link.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

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