lips cough bark display as contest display away display past display toward display, charging display, rain display, streambed drag by hand drag carcass by hand drag dry leaves drum flail flail arm gaze harass hit bush bipedal hit toward hoot hunch hunch and sit hunch bipedal hunch over ignore intervene intervene to separate kick backward quadrupedal kick bipedal kick buttress knock down with both arms knock down with one arm leap bipedal with squared shoulders lift and drop police protest pull rock to roll push backward push down push forward raise arm quickly rock back and forth rock side to side scramble for food scratch dry leaves shake arm, abduct shake back and forth with four limbs shake branch shake branch up and down with feet shake long