juveniles, adolescents and adults. See also play with water. See videos. See also video play with water. stomp See stamp. store Hold leaves in hand and start chewing only after collecting handful. Occurs when eating tough leaves of Ficus exasperata. Seen also at Gombe. 5. See video. strike down prey See knock with both arms or knock with one arm. strip leaf Sit and tear off one or few leaves in quick succession from shrub or small tree. Older adolescent male, Orion, does this in courtship. Cf. pull through in courtship in which pull-through movement against stem is performed. Habitual threat gesture at Gombe and Kibale, and present at Bossou. See video. strip leaves by pull-through See pull through. stroke Stroke back of another with extended fingers. Done