Umubano group is found in Volcanoes National Park in Rwanda. Umubano which was formerly part of Amahoro group is still led by Charles, the dominant Silverback. Umubano separated from Amahoro A (led by Ubumwe) without aggression.. Shortly after the separation, the 2 groups would meet, interact, and feed together for one or two days and then go separate ways. Umubano group is composed of 12 individuals including 3 Silverbacks, 2 Adult females, 3 blackbacks, 3 Juveniles and 1 infant.