A little animal taken in island (5)
I believe the answer is:
Here is my best explanation:
'island' is the definition.
'a little animal taken in' is the subsidiary indication.
'a little' says the answer is hidden in the clue.
'malta' is hidden in the letters of 'animal taken in'.
(Other definitions for malta that I've seen before include "Island state", "seagirt republic", "defiant island in WW2", "Its capital is Valletta", "detached dwelling place", "Island nation", "Mediterranean island republic", "Mediterranean country", "A Med. island" and "Country".)