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 programme aired on BBC Two on 28 April 2014. World Animal Protection works with governments, food businesses and farmers to improve the welfare of farmed animals. They encourage the general public to buy food produced in line with high welfare standards. In 2013 the charity joined with Compassion in World Farming to create a business benchmark on farm animal welfare (BBFAW). According to The Guardian, there has been a 10 percent rise in companies publishing farm animal welfare policies since the benchmark launched. The charity is campaigning for a universal declaration on animal welfare. In 2013 they successfully lobbied