and whimper-scream. Kano divided bonobo scream calls into Scream and Screech. See video. See also video monitor mother. scream, food Adult male, Fanana, screams when eating prized food, such as ripe fruit of lemon, Saba or Garcinia, especially at beginning of feeding bout. Absent in Goodall. Bonobos Food peep or Food grunt may be homologous. scrub See scratch dry leaves. scrub pelt Rub colobus skin against rock in streambed, apparently to soften it. Done by one adult male. See wash. S 1 4 self-suckle search for conspecific Look for unseen others, in several ways: sit and listen, walk around, then return to original place, sniff ground, in particular, at path intersections and footprints, or climb tree and scan surroundings, frequently done by lost, whimpering juvenile. Mother also looks