holds infant and lifts infant above ground by one to four of its limbs. Caretaker may gently bounce infant up and down with foot or feet. Caretaker may grasp one or both of infants hands. Similar behavior by bonobo and gorilla mothers. See video. bang See throw fruit against rock. bare teeth See grin. bark Goodall: Loud, sharp sounds, usually given in long sequences with much variation in pitch. Functions to protest to another individual of same or different species. Probably corresponds to bonobos Bark or Wa! call. See also cough bark, pantbark, waa bark, and wraa. See video. 34 bark eating 35 bark eating See eat phloem. bark, infantile High-pitched bark emitted by infants. 3. See video. battle Direct intergroup agonistic interactions, in which both sides contain