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
The Dangerous World of Butterflies in what the reviewer called "casual prose". The Dangerous World of Butterflies The Dangerous World of Butterflies: The Startling Subculture of Criminals, Collectors, and Conservationists is a 2009 book by Doctor of Philosophy Peter Laufer. It is the first book in his untitled animal trilogy, preceding "Forbidden Creatures" in 2010 and "No Animals Were Harmed" in 2011. The book explores the presence of the butterfly in the fields of organized crime, ecological devastation, species depletion, natural history museum integrity, and chaos theory. "The Dangerous World of Butterflies" has Laufer talking to butterfly experts, both professional and amateur, discussing the art,