99 100 infant incest Copulate with close relatives. Mother and infant son copulate during weaning period at Mahale. Mating between mother and adult son once observed. Mother and adolescent son or brother and sister mating not seen at Mahale, although juvenile male once tried to mate with mother but was refused. At Gombe, copulation between mother and mature son, and brother and sister rarely seen and alpha male produced offspring with mother. See avoid incest. 5. See video. index-hit See squash ectoparasite on arm. infant Youngster from birth to weaning. 04 years old. See Fig. 21. I Fig. 21 Infant: Three-year-old female infanticide 101 infanticide See kill infant and eat infant. infantile bark See bark, infantile. insect-pound See pound insect. inspect Investigate object by peer, gaze, sniff, touch,