 Their main distinguishing factors are their stripes and their tails; "G. f. fasciata" has a fuller, reddish-brown tail and 8-10 stripes, while "G. f. striata" has a thinner, white tail and 5 stripes.They are all forest-dweller on the eastern side of the island, and their primary prey is small rodents.This species is most active in the evening and at night.