quadrupedal. 9. See video. shake face with object in mouth Hold object such as leaf-sponge in mouth and vigorously shake face side to side in stream. Done as solo play by adolescent male, Cadmus, only. See video. shake hand See shake arm, abduct or shake arm, adduct. shake hand side to side quickly Shake hand from side to side quickly, while pant-grunting. Conflict behavior shown by subordinate chimpanzee to dominant male. See video. shake hands See grasp hand. S 1 8 share bed shake head Shake vigorously head side to side while trying to spray about water or sand atop head. Immatures shake head during play, such as play walk. Cf. tilt head and nod quadrupedal. 5. See video. shake long object irregularly Adolescent male, Cadmus, sits and