They are very arboreal and daytime active, they often like to hang upside down by their feet to feed.There are only two very distinctive sub-species of Black and White ruffed lemur; this and the variegata sub species. The principal threat to its survival is habitat loss due to slash-and-burn agriculture, logging and mining. They are large and active through the day so among the most heavily hunted of all lemur species. In Makira they are one of the more expensive and desired meats. This is one of the first lemurs to disappear where humans encroach upon rain forest habitats.