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Moral behavior in animals - Frans de Waal

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animal social behaviour, the suite of interactions that occur between two or more individual animals, usually of the same species, when they form simple aggregations, cooperate in sexual or parental behaviour, engage in disputes over territory and access to mates, or simply communicate across space.

Social behaviour is defined by interaction, not by how organisms are distributed in space. Clumping of individuals is not a requirement for social behaviour, although it does increase opportunities for interaction. When a lone female moth emits a bouquet of pheromones to attract male potential mates, she is engaging in social behaviour. When a male red deer ( Cervus elaphus) gives a loud roar to signal dominance and keep other males away, he is also being social.

Animal social behaviour has piqued the interest of animal behaviorists and evolutionary biologists, and it has also engaged the public, thanks to life science filmmakers who captured the drama and stunning diversity of animal social interactions in documentaries and other media programs.

General characteristics

Social behaviour ranges from simple attraction between individuals to life in complex societies characterized by division of labour, cooperation, altruism, and a great many individuals aiding the reproduction of a relative few. The most widely recognized forms of social behaviour, however, involve interaction within aggregations or groups of individuals. Social behaviours, their adaptive value, and their underlying mechanisms are of primary interest to scientists in the fields of animal behaviour, behavioral ecology, evolutionary psychology, and biological anthropology.

The word social often connotes amicable interaction, accounting for the common misconception that social behaviour always involves cooperation toward some mutually beneficial end. Biologists no longer believe that cooperative behaviours necessarily evolve for the good of the species. Instead, they believe that the unit of natural selection is usually the individual and that social behaviour is fraught with competition. English naturalist Charles Darwin, who first brought evolution by natural selection to the attention of the world, introduced this paradigm for thinking about social behaviour, noting that it is the best competitors within a species, the "fittest" individuals, that survive and reproduce. Once genetics was integrated into this concept of evolution, it became apparent that such individuals will transmit the most copies of their genes to future generations.

Consistent with Darwin's ideas, social organisms are often seen to be fiercely competitive and aggressive. For example, friendly interactions among children on a playground can quickly dissolve into fierce competition if there are too few balls or swings. In addition, intense competitive interactions resulting in bodily harm can occur even among family members. Social behaviour is designed to enhance an individual's ability to garner resources and form the alliances that help it to survive and to reproduce. The modern view of social behaviour is that it is a product of the competing interests of the individuals involved. Individuals evolve the capacity to behave selfishly and to cooperate or compete when it benefits them to do so. A delicate balance of cooperative and competitive behaviours is thus expected to characterize animal societies.

Categorizing the diversity of social behaviour

Social behaviour encompasses a wide variety of interactions, from temporary feeding aggregations or mating swarms to multigenerational family groups with cooperative brood care. Over the years, there have been many attempts to classify the diversity of social interactions and understand the evolutionary progression of social behaviour.

A series of veteran American entomologists-starting in the 1920s with William Morton Wheeler and continuing into the 1970s with Howard Evans, Charles Michener, and E.O. Wilson-developed a categorization of sociality following two routes, called the parasocial sequence and the subsocial sequence. This classification is based primarily on the involvement of insect parents with their young, whereas classifications of vertebrate sociality are frequently based on spacing behaviour or mating system. Both routes culminate in "eusociality," a system in which the young are cared for cooperatively and the society is segregated into different castes that provide different services.

In the parasocial sequence, adults of the same generation assist one another to varying degrees. At one end of the spectrum are females of communal species; these females cooperate in nest construction but rear their broods separately. In quasisocial species, broods are attended cooperatively, and each female may still reproduce. Semisocial species also practice cooperative brood care, but they possess within the colony a worker caste of individuals that never reproduce. Eusocial species typically engage in cooperative brood care; in addition, they have distinct castes that perform different functions and an overlap of generations within the colony.

The subsocial sequence, the alternate route to eusociality, involves increasingly close association between females and their offspring. In primitively subsocial species, the female provides direct care for a time but departs before the young emerge as adults. This stage is followed by two intermediate subsocial stages: one where the care of young is extended to the point where the mother is present when her offspring mature, and the other where offspring are retained that assist in the rearing of additional broods. At the eusocial end of this sequence, some mature offspring are differentiated into a permanently sterile worker caste-a stage that mirrors the same eusocial outcome achieved by the parasocial sequence described above.

E.O. Wilson, whose Sociobiology: The New Synthesis provided a blueprint for research in this field when it was published in 1975, felt that general classifications of societies invariably fail because they depend on the qualities chosen to divide species, which vary markedly from group to group. Instead, Wilson compiled a set of 10 essential qualities of sociality, including (1) group size, (2) distributions of different age and sex classes, (3) cohesiveness, (4) amount and pattern of connectedness, (5) "permeability," or the degree to which societies interact with one another, (6) "compartmentalization," or the extent to which subgroups operate as discrete units, (7) differentiation of roles among group members, (8) integration of behaviours within groups, (9) communication and information flow, and (10) fraction of time devoted to social behaviour as opposed to individual maintenance. These overlapping qualities of societies provide a good indication of the complexities involved with classifying, much less understanding, the highly varied social behaviour of animals.

While categories of social behaviour can be useful, they can also be confusing and misleading. The current tendency is to view sociality as a multifaceted continuum from simple aggregations to the highly organized and complex levels of social organization found in eusocial species. Biologists interested in sociality focus on how cooperation increases an individual's genetic legacy, either by increasing its ability to produce offspring directly or by increasing the number of offspring produced by relatives.

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Animal social behaviour | Definition, Evolution, & Examples

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animal social behaviour, the suite of interactions that occur between two or more individual animals, usually of the same species, when they form simple aggregations, cooperate in sexual or parental behaviour, engage in disputes over territory and access to mates, or simply communicate across space.

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Social Behavior Social behavior is defined as interactions among individuals, normally within the same species, that are usually beneficial to one or more of the individuals.

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The range, species, and environment that an animal inhabits can all affect its social behaviour. While some animals prefer to operate alone, others might be very gregarious beings, but all animals have very special survival benefits no matter the circumstance.

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Social interactions may assist group members connect and feel emotionally great. Positive social interactions like grooming, playing, or affiliative behaviors can improve fitness and general health while lowering stress levels. A person's overall quality of life may be improved by the companionship, social support, and sense of belonging that come from having social ties.

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Mammals interact with one another and share information among themselves. They can share information about prospective dangers, habitats, and food supplies in this manner. Younger individuals can pick up knowledge from older, experienced group members, practice a skill, and adapt to their surroundings. Social learning enables the dissemination of cultural practices and the creation of better and more effective survival techniques.

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Social behaviour is "the suite of interactions that occur between two or more individual animals, usually of the same species, when they form simple aggregations, cooperate in sexual or parental behaviour, engage in disputes over territory and access to mates, or simply communicate across space." according to Britannica.

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Animals that are social frequently have better hunting and have a better chance at obtaining resources. The group's members can cooperate to find, seize, and share food sources. Certain species can assault larger prey or share the riches of a profitable hunt thanks to cooperative hunting. These animals may also help others locate critical resources and exchange knowledge about food sources.

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Animals with more social interactions have better chances of having offspring. Social groups offer possibilities for partner choice, courting rituals, and/or mating in many animals. Animals that live in groups have a better chance of finding compatible partners, experience less competition, and provide better parental care for their young. Social groupings may also help people learn and pass on crucial reproductive practices from one generation to the next.

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Social communities that coexist provide protection from predators. Animal groups protect against threats and warn others when danger is present. Additionally, members of the group might interact with one another to fend off rivals, improving their odds of surviving.