multiple males. Two groups concertedly attack each other. 3. beat chest Hit chest with fists. Idiosyncratic element of male charging display at Gombe. Cf. slap self. Absent at Mahale. beat ground with stick See club ground. beat sole with palm Lie supine and repeatedly and simultaneously beat each sole with palm of corresponding left or right hand. Play solicitation signal and also solo play shown by adolescent male, Cadmus. 9. See video. beat with fist See hit. bed Goodall Nest: Platform or bed for sleeping or resting. See also make day bed, make night bed, grunt in bed, and play in bed. beg Goodall: Beg for food, toy, or any desirable object from the possessor. Includes extend hand to beg and mouth for begging. Begging is often accompanied