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Societies develop as a result of the interactions of individuals as they compete and cooperate with one another in the evolutionary struggle to survive and reproduce successfully. Gorilla society is arranged according to these different and sometimes conflicting evolutionary goals of the sexes. In seeking to understand why gorilla society exists as it does, Alexander H. Harcourt and Kelly J. Stewart bring together extensive data on wild gorillas, collected over decades by numerous researchers working in diverse habitats across Africa, to illustrate how the social system of gorilla

Gorilla --- Social behavior in animals. --- Animal behavior --- Animal societies --- Gorilla gorilla --- Gorillas --- Lowland gorilla --- Western gorilla --- Gorilla (Genus) --- Behavior. --- Ecology. --- gorilla, animal behavior, animals, africa, social system, ecology, biology, science, zoology, nature, environment, conflict, compromise, cooperation, gender, conservation, preservation, habitat, jungle, endangered, environmentalism, species, reproduction, survival, evolution, primate, socioecology, grouping, predation, mating, infanticide, body size, sexual dimorphism, pan, pongo, nonfiction, harassment, roving males, emigration.

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Since the 1960s, primatologists have recognized the impact of predation on the evolution of morphology, the social systems and cognitive behavior of monkeys and apes, but few studies considered its impact on the prosimians - lemurs, lorises, galagos and tarsiers. This comprehensive volume, written by experts in the field, narrows this gap by highlighting the effect of predation on the order Primates in general. Theoretical approaches to understanding how primates perceive predation threat, as well as proximate and ultimate causes to address threat and attack, are considered across the primate order. Although this volume concentrates on the least known group in this theoretical area - the prosimians - contributions by researchers on numerous primate taxa across four major geographical regions make this a novel and exciting contribution to students interested in primate evolution and ecology.

Life sciences. --- Behavioral sciences. --- Developmental biology. --- Ecology. --- Zoology. --- Anthropology. --- Life Sciences. --- Behavioral Sciences. --- Developmental Biology. --- Human beings --- Biology --- Natural history --- Animals --- Balance of nature --- Bionomics --- Ecological processes --- Ecological science --- Ecological sciences --- Environment --- Environmental biology --- Oecology --- Environmental sciences --- Population biology --- Development (Biology) --- Growth --- Ontogeny --- Biosciences --- Sciences, Life --- Science --- Ecology --- Prosimians --- Patas monkey --- Howler monkeys --- Cercopithecus aethiops --- Chacma baboon --- Predation (Biology) --- Effect of predation on. --- Communities, Predator-prey --- Dynamics, Predator-prey --- Interactions, Predator-prey --- Predator-prey communities --- Predator-prey dynamics --- Predator-prey interactions --- Predator-prey relations --- Predator-prey relationships --- Predator-prey systems --- Predators and prey --- Predatory behavior (Biology) --- Predatory-prey relationships --- Prey and predators --- Prey-predator relationships --- Preying (Biology) --- Relations, Predator-prey --- Relationships, Predator-prey --- Systems, Predator-prey --- Animal ecology --- Parasitism --- Chaeropithecus ursinus --- Papio ursinus --- Papio --- Cercopithecus pygerythrus --- Cercopithecus sabaeus --- Cercopithecus tantalus --- Green monkey --- Grivet monkey --- Savanna monkey --- Vervet monkey --- Cercopithecus --- Erythrocebus patas --- Hussar monkey --- Red guenon --- Erythrocebus --- Alouatta --- Howling monkeys --- Atelidae --- Lower primates --- Prosimian primates --- Prosimii --- Strepsirhini --- Primates --- Food --- Animal behavior. --- Animals, Habits and behavior of --- Behavior, Animal --- Ethology --- Animal psychology --- Zoology --- Ethologists --- Psychology, Comparative --- Behavior --- Ecology . --- Primitive societies --- Social sciences

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The human brain and its one hundred billion neurons compose the most complex organ in the body and harness more than 20 per cent of all the energy we produce. Why do we have such large and energy-demanding brains, and how have we been able to afford such an expensive organ for thousands of years? Guts and Brains discusses the key variables at stake in such a question, including the relationship between brain size and diet, diet and social organization, and large brains and the human sexual division of labour. This interdisciplinary volume provides an entry for the reader into understanding the development of both early primates and our own species. Waarom hebben wij zulke grote en energie-vretende hersenen? Hoe kunnen we ons zo'n duur orgaan permitteren, en hoe deden Neandertalers dat, hun brein was immers minstens zo groot als dat van de moderne mens? In deze bundel behandelen vooraanstaande onderzoekers de verwevenheid van belangrijke variabelen in deze, bijvoorbeeld de relatie tussen dieet en hersengrootte bij primaten, tussen dieet en sociale organisatie, en tussen grote, "dure" hersenen en de sexe-gebonden arbeidsverdeling bij hedendaagse jagers-verzamelaars. De bijdragen in Guts and Brains laten zien dat kleine veranderingen in het dieet van onze verre voorouders grote gevolgen hadden voor hun manier van leven en uiteindelijk ook voor die van de moderne mens. Daarmee geeft de bundel ons niet alleen een beter inzicht in de levenswijze van vroege mensachtigen maar ook in die van die eigenaardige primaat die wij Homo sapiens noemen, onze eigen soort.

Brain -- Evolution. --- Hominids. --- Human evolution. --- Hunting and gathering societies -- Nutrition. --- Prehistoric peoples -- Behavior. --- Prehistoric peoples -- Food. --- Primates -- Behavior. --- Primates -- Nutrition. --- Genetic Processes --- Nutritional Physiological Phenomena --- Catarrhini --- Investigative Techniques --- Biological Processes --- Central Nervous System --- Biological Phenomena --- Nervous System --- Analytical, Diagnostic and Therapeutic Techniques and Equipment --- Physiological Phenomena --- Haplorhini --- Genetic Phenomena --- Primates --- Phenomena and Processes --- Anatomy --- Mammals --- Vertebrates --- Chordata --- Animals --- Eukaryota --- Organisms --- Biological Evolution --- Brain --- Diet --- Hominidae --- Human beings --- Fossil hominids. --- Origin. --- History. --- Evolution. --- Early man --- Fossil hominins --- Fossil man --- Hominids, Fossil --- Hominins, Fossil --- Human fossils --- Antiquity of human beings --- Origin of human beings --- Health --- Food --- Food habits --- Nutrition --- Human remains (Archaeology) --- Primates, Fossil --- Paleoanthropology --- Human evolution --- archeologie --- archeology --- anthropologie --- homo sapiens --- neandertals --- brains --- anthropology --- Brain size --- Evolution --- Foraging --- Hominini --- Predation --- Primate