seem to choke and only hoarse squeaks or rasping sounds can be heard. See also throw temper tantrum. Absent in bonobos? 5. circle orthograde Occurs in similar context as circle quadrupedal. Individual moves round and round tree bipedally or tripedally, while holding tree trunk with hand and keeping torso upright. See also circle quadrupedal. 5. See video. circle orthograde off ground Hold tree trunk by hand while revolving around it with feet off ground. Solo play or solicit play. 9. See video. circle quadrupedal In social play, two or more individuals may chase round and round tree, another individual, or without any pivot-point. One or both of players may transport leafy twig in mouth. Chased one may take turn to chase, and vice versa. Occasionally occurs as solo