Animals from Mars? (4)
I believe the answer is:
rams
'animals' is the definition.
The answer is an example.
'from mars?' is the wordplay.
'from' indicates an anagram (from the letters).
'mars' with letters rearranged gives 'RAMS'.
(Other definitions for rams that I've seen before include "Bangs into as car might" , "drives" , "Hits; sheep" , "Batters like male sheep?" .)