Covering head of injured animal (5)
I believe the answer is:
coati
'animal' is the definition.
(mammal of Central and South America)
'covering head of injured' is the wordplay.
'covering' becomes 'coat' (coat is a kind of covering).
'head of' suggests taking the first letters.
The initial letter of 'injured' is 'i'.
'coat'+'i'='COATI'
(Other definitions for coati that I've seen before include "consumer of flesh" , "Raccoon relative" , "Kind of raccoon" , "omnivorous mammal" , "Racoon-like omnivorous creature of Central and South America" .)