Garden mammal once known as an urchin (8)

I believe the answer is:
hedgehog
(Other definitions for hedgehog that I've seen before include "Porcupine" , "Spiny mammal" , "one is far from spineless" , "Woodland animal" , "Nocturnal mammal" .)
I believe the answer is:
hedgehog
(Other definitions for hedgehog that I've seen before include "Porcupine" , "Spiny mammal" , "one is far from spineless" , "Woodland animal" , "Nocturnal mammal" .)