Infant care in a family of siamangs (Hylobates syndactylus) with twin offspring at Berlin Zoo

Abstract 10.1002/zoo.1430100405.abs Infant-carrying in a family group of siamangs with twin offspring was observed during a 2-week period. The twins were about 11 months old at the time of the study. One or both twins were usually carried by their father, but hardly ever by their mother. A considerable amount of infant-carrying was also contributed […]