Lions kill other predators such as leopard, cheetah and spotted hyena but seldom consume them. Predators found here include hyena and leopard, and occasionally lion. There are predators such as spotted hyena, striped hyena and African leopard. Other species in Bihar include leopard, bear, hyena, bison, chital and barking deer. Striped hyena and sloth bear are seen occasionally. It is also home to the striped hyena, macaques, langur and mongoose species. Nevertheless, some fall prey to large carnivores, especially the spotted hyena. The brown hyena and aardwolf are not known to prey on humans. African rock python was filmed eating a small adult female spotted hyena weighing . Studies strongly suggest convergent evolution in spotted hyena and primate intelligence. Female spotted hyena are also more aggressive than the male spotted hyena. The aardwolf is in the same family as the hyena. The Maasai Mara is a major research centre for the spotted hyena. However, rank reversals and overthrows in spotted hyena clans are very rare.