Wild animals great area of concern for MP (8,4)

I believe the answer is:

marginal seat

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'area of concern for mp' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'wild animals great' is the wordplay.
'wild' indicates an anagram.
'animals'+'great'='animalsgreat'
'animalsgreat' is an anagram of 'MARGINAL SEAT'.

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(Other definitions for marginal seat that I've seen before include "Scene of electoral uncertainty" , "Constituency liable to change hands" .)

I've seen this clue in The Independent.

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