Portraits in the Wild: Behavior Studies of East African Mammals

able adult females adult males animals antelopes appear bachelor groups begin behavior birth black rhinoceros bull bush calf calves carcass chacma baboon chase cheetah clan Crater cubs dikdik dominant Douglas-Hamilton drink dry season dung East Africa eland elephants estrus family stallion family unit fawn feeding fight foals follow George Schaller gerenuk Gilgil giraffe Goddard grass greeting Grevy's Grevy's zebra grooming habitat head herd home range hunting hyenas impala individual Jarman Kenya kill Klingel Kruuk legs leopard Leuthold lioness lions live males and females Manyara mares mating Mejia mother move Nairobi National Park neck Ngorongoro observations percent period plains zebra population predators prey pride rhino rhinoceros Schaller Schenkel seen Serengeti Seronera sexual social organization sometimes species square miles stay study area suckle Tanzania territory Thomson's gazelle tion trees Tsavo tusks Uganda usually vegetation walk watched wild wildebeest yards young male