Nest-building in primates Nest-building in primates Nest-building in primates refers to the behaviour of building nests by extant strepsirrhines (lemurs and lorisoids) and hominid apes (gorillas, chimpanzees, orangutans, and humans). Strepsirrhines build nests for both sleeping and also for raising families. Hominid apes build nests for sleeping at night, and in some species, for sleeping during the day. Nest-building by hominid apes is learned by infants watching the mother and others in the group, and is considered tool use rather than animal architecture. Old World monkeys and New World monkeys do not nest. It has been speculated that a major evolutionary advance in
World Animal Protection the past decade and for the cause of animal welfare. She has used her years on the international platform to advance the cause of animal welfare in Africa. I thank her profusely for all her work and dedication.” World Animal Protection World Animal Protection (formerly The World Society for the Protection of Animals) is an international non-profit animal welfare organization that has been in operation for over 30 years. The charity describes its vision as: A world where animal welfare matters and animal cruelty has ended. The charity has regional hubs in: Africa, Asia, Europe, Latin America and North America,