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
Animal welfare World Animal Protection's objectives include helping people understand the critical importance of good animal welfare, encouraging nations to commit to animal-friendly practices, and building the scientific case for the better treatment of animals. They are global in a sense that they have consultative status at the Council of Europe and collaborate with national governments, the United Nations, the Food and Agriculture Organization and the World Organization for Animal Health. Canadian Council on Animal Care: The national organization responsible for overseeing the care and use of animals involved in Canadian Science. Canadian Federation of Humane Societies (CFHS): The only national organization