Lions Panthera leo live in fission-fusion groups, with the size of the sub-groups being related to the original pride size and social factors, such as group-size-specific foraging success, cooperative cub defense and group territoriality. 非洲狮(Pantheraleo)群处于不断的分裂-聚合过程,其亚群大小与原狮群大小以及诸如狮群捕食成功度、协作幼仔保护及狮群领域防卫等社会性因素有关。