to partners belly, pushing partner forward and away. 7. See video. grasp and push shoulders Infant, Mitsue, in bipedal posture, grasps hair of mothers shoulders and pushes them upward, so mother departs with Mitsue on her back. Soliciting departure likely originated as intention movement of dorsal travel. 9. See video. grasp hand Goodall Hold hand. Dominant individual grasps hand extended by subordinate for reassurance, but usually without shaking motion. Also in hand-wrestle play. Absent in bonobos of Wamba. 5. See video. greet Friendly reunion as Goodalls Greeting behavior: Typical friendly behavior includes bob, crouch, touch, kiss, embrace, groom, present, mount, inspect genitals, grasp hand, etc. Vocalizations associated with greeting behavior are pant-grunt, pant-hoot, grunt, pant-bark, scream, etc. In bonobos, genital contact behavior and peer may be comparable to