insect Whiten et al Insect-pound: Use object to mash insect. Present at Bossou. Absent at Mahale. P 140 present with limbs flexed pound pestle Yamakoshi and Sugiyama Pestle pound: Bossou chimpanzee climbs to crown of oil palm and mashes apical growth tip of crown with mature petiole detached from oil palm. Unique to Bossou. See video. pound resin Whiten et al. Resin-pound: extract resin by pounding. Present at Bossou. Absent at Mahale. pout Plooij Pout face. Goodall Pout face: Lip corners pushed forward, mouth may be slightly open. Lips together, except at the front where they may funnel out somewhat. This is seen with the hoo call and hoo whimper. Seen in bonobo. See video. pout face See pout. pout kiss See kiss with pout face. predation on