chewing, usually in early morning, leaves of certain species of herbs and trees. Leaves of Aneilema spp., Aspilia mossambicensis, Commelina spp., Ficus exasperata, Lippia pulicata and Trema orientalis swallowed at Mahale. Known from Ta, Kibale, Bossou, Gombe, and other localities. Species of swallowed leaves differ from place to place. Culture universal in chimpanzees? Reported for bonobos. See video. swallow seed Ingest seeds without chewing them. Includes tiny seeds such as fig and large seeds such as Pycnanthus angolensis. sway and move Climb high up, sway tree trunk back and forth using bodys weight, then catch and grasp terminal branch of another tree while original tree is bent over. Kanos Sway tree/branch for bonobos. Arboreal locomotion. Cf. swing and take. See video. S 184 swing forward and upward sway