Animal has run from rocky outcrops (7)
I believe the answer is:
octopus
'animal' is the definition.
(octopus is a kind of animal)
I can't explain the rest of the clue.
Can you help me to learn more?
(Other definitions for octopus that I've seen before include "Eight-armed cephalopod" , "pernicious organisation" , "Cops out (anag.)" , "Tentacled sea creature" , "Cop-outs (anag.)" .)