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 in the United Kingdom The minimum age for buying a pet, or winning one as a prize, is 16 without parental accompaniment. In Scotland, the Animal Health and Welfare (Scotland) Act 2006 bans giving animals as prizes altogether. The docking (cutting or removal) of animals' tails for cosmetic reasons is illegal in the UK, with the exception of working dogs such as those in the police and armed forces. UK animal testing legislation is regarded as the strictest in the world. The Animals (Scientific Procedures) Act 1986 (ASPA) regulates the conditions under which animal testing can occur in the UK. Those applying for a