At that time elephant hunting was permitted. Their collection included the Big Five (elephant, lion, leopard, cape buffalo, and rhino). They also shot giraffe, over thirty types of antelope, and even a male mountain bongo, which took seven weeks of stalking in the Aberdare Range. With the help of Echuya Batwa (Pygmy) trackers, they approached gorillas in the Virunga Mountains but were unable to shoot one. They also wanted a northern white rhinoceros and had obtained special permission from the Ugandan authorities to shoot the animal.