動物行動学の、エソロジーの

関: ethology

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the branch of zoology that studies the behavior of animals in their natural habitats

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動物行動学

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/05/13 18:48:05」(JST)

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A range of animal behaviours.

Ethology is the scientific and objective study of animal behaviour, usually with a focus on behaviour under natural conditions, and viewing behaviour as an evolutionarily adaptive trait.^[1] Behaviourism is a term that also describes the scientific and objective study of animal behaviour, but it usually refers to the study of trained behavioural responses in a laboratory context, and without a particular emphasis on evolutionary adaptivity.

Many naturalists have studied aspects of animal behaviour throughout history. Ethology has its scientific roots in the work of Charles Darwin and of American and German ornithologists of the late 19th and early 20th century, including Charles O. Whitman, Oskar Heinroth, and Wallace Craig. The modern discipline of ethology is generally considered to have begun during the 1930s with the work of Dutch biologist Nikolaas Tinbergen and by Austrian biologists Konrad Lorenz and Karl von Frisch, joint awardees of the 1973 Nobel Prize in Physiology or Medicine.^[2] Ethology is a combination of laboratory and field science, with a strong relation to some other disciplines such as neuroanatomy, ecology, and evolution. Ethologists are typically interested in a behavioural process rather than in a particular animal group, and often study one type of behaviour, such as aggression, in a number of unrelated animals.

The desire to understand animals has made ethology a rapidly growing field. Since the turn of the 21st century, many aspects of animal communication, animal emotions, animal culture, learning, and even sexual conduct that experts long thought they understood, have been re-examined, and new conclusions reached. New fields have developed, such as neuroethology.

Understanding ethology or animal behaviour can be important in animal training. Considering the natural behaviours of different species or breeds enables the trainer to select the individuals best suited to perform the required task. It also enables the trainer to encourage the performance of naturally occurring behaviours and also the discontinuance of undesirable behaviours.^[3]

1 Etymology
2 Relationship with comparative psychology
3 History
- 3.1 Scala naturae and Lamarck's theories
- 3.2 Theory of evolution by natural selection and the beginnings of ethology
- 3.3 Social ethology and recent developments
- 3.4 Growth of the field
4 Fixed action patterns, animal communication and modal action patterns
5 Instinct
6 Learning
- 6.1 Habituation
- 6.2 Associative learning
- 6.3 Imprinting
- 6.4 Observational learning
  - 6.4.1 Imitation
  - 6.4.2 Stimulus enhancement
  - 6.4.3 Social transmission
- 6.5 Teaching
7 Mating and the fight for supremacy
8 Living in groups
- 8.1 Benefits and costs of group living
- 8.2 Group size
9 Tinbergen's four questions for ethologists
10 List of ethologists
11 Gallery of videos
12 See also
13 References
14 Further reading
15 External links

Etymology

The term ethology derives from the Greek language: ἦθος, ethos meaning "character" and -λογία, -logia meaning "the study of". The term was first popularized by American myrmecologist (a person who studies ants) William Morton Wheeler in 1902.^[4] An earlier, slightly different sense of the term was proposed by John Stuart Mill in his 1843 System of Logic.^[5] He recommended the development of a new science, "ethology," the purpose of which would be explanation of individual and national differences in character, on the basis of associationistic psychology. This use of the word was never adopted.

Other words that derive from ethos include ethics^[6] and ethical.

Relationship with comparative psychology

Comparative psychology also studies animal behaviour, but, as opposed to ethology, is construed as a sub-topic of psychology rather than as one of biology. Historically, where comparative psychology has included research on animal behaviour in the context of what is known about human psychology, ethology involves research on animal behaviour in the context of what is known about animal anatomy, physiology, neurobiology, and phylogenetic history. Furthermore, early comparative psychologists concentrated on the study of learning and tended to research behaviour in artificial situations, whereas early ethologists concentrated on behaviour in natural situations, tending to describe it as instinctive.

The two approaches are complementary rather than competitive, but they do result in different perspectives, and occasionally conflicts of opinion about matters of substance. In addition, for most of the twentieth century, comparative psychology developed most strongly in North America, while ethology was stronger in Europe. From a practical standpoint, early comparative psychologists concentrated on gaining extensive knowledge of the behaviour of very few species. Ethologists were more interested in understanding behaviour across a wide range of species to facilitate principled comparisons across taxonomic groups. Ethologists have made much more use of a truly comparative method^{[disambiguation needed]} than comparative psychologists have.

History

Scala naturae and Lamarck's theories

Jean-Baptiste Lamarck (1744–1829)

See also: Great Chain of Being

Until the 19th century, the most common theory among scientists was still the concept of scala naturae, proposed by Aristotle. According to this theory, living beings were classified on an ideal pyramid that represented the simplest animals on the lower levels, with complexity increasing progressively toward the top, occupied by human beings. In the Western world of the time, people believed animal species were eternal and immutable, created with a specific purpose, as this seemed the only possible explanation for the incredible variety of living beings and their surprising adaptation to their habitats.^[4]

Jean-Baptiste Lamarck (1744 - 1829) was the first biologist to describe a complex theory of evolution. His theory substantially comprised two statements: first, that animal organs and behaviour can change according to the way they are used; and second, that those characteristics can transmit from one generation to the next (the example of the giraffe whose neck becomes longer while trying to reach the upper leaves of a tree is well-known). The second statement is that every living organism, humans included, tends to reach a greater level of perfection. When Charles Darwin went to the Galapagos Islands, he was well aware of Lamarck's theories and was influenced by them.

Theory of evolution by natural selection and the beginnings of ethology

Charles Darwin (1809–1882)

Because ethology is considered a topic of biology, ethologists have been concerned particularly with the evolution of behaviour and the understanding of behaviour in terms of the theory of natural selection. In one sense, the first modern ethologist was Charles Darwin, whose book The Expression of the Emotions in Man and Animals influenced many ethologists. He pursued his interest in behaviour by encouraging his protégé George Romanes, who investigated animal learning and intelligence using an anthropomorphic method, anecdotal cognitivism, that did not gain scientific support.

Other early ethologists, such as Charles O. Whitman, Oskar Heinroth, Wallace Craig and Julian Huxley, instead concentrated on behaviours that can be called instinctive, or natural, in that they occur in all members of a species under specified circumstances. Their beginning for studying the behaviour of a new species was to construct an ethogram (a description of the main types of behaviour with their frequencies of occurrence).^[4] This provided an objective, cumulative data-base of behaviour, which subsequent researchers could check and supplement.

Social ethology and recent developments

In 1970, the English ethologist John H. Crook published an important paper in which he distinguished comparative ethology from social ethology, and argued that much of the ethology that had existed so far was really comparative ethology—examining animals as individuals—whereas, in the future, ethologists would need to concentrate on the behaviour of social groups of animals and the social structure within them.

Also in 1970, Robert Ardrey's book The Social Contract: A Personal Inquiry into the Evolutionary Sources of Order and Disorder was published.^[7] The book and study investigated animal behaviour and then compared human behaviour to it as a similar phenomenon.

E. O. Wilson's book Sociobiology: The New Synthesis appeared in 1975, and since that time, the study of behaviour has been much more concerned with social aspects. It has also been driven by the stronger, but more sophisticated, Darwinism associated with Wilson, Robert Trivers, and William Hamilton. The related development of behavioural ecology has also helped transform ethology. Furthermore, a substantial reapprochement with comparative psychology has occurred, so the modern scientific study of behaviour offers a more or less seamless spectrum of approaches: from animal cognition to more traditional comparative psychology, ethology, sociobiology, and behavioural ecology.

Growth of the field

Due to the work of Lorenz and Tinbergen, ethology developed strongly in continental Europe during the years prior to World War II.^[4] After the war, Tinbergen moved to the University of Oxford, and ethology became stronger in the UK, with the additional influence of William Thorpe, Robert Hinde, and Patrick Bateson at the Sub-department of Animal Behaviour of the University of Cambridge, located in the village of Madingley.^[8] In this period, too, ethology began to develop strongly in North America.

Lorenz, Tinbergen, and von Frisch were jointly awarded the Nobel Prize in Physiology or Medicine in 1973 for their work of developing ethology.^[9]

Ethology is now a well-recognised scientific discipline, and has a number of journals covering developments in the subject, such as Animal Behaviour, Animal Welfare, Applied Animal Behaviour Science, Behaviour, Behavioral Ecology and Journal of Ethology. In 1972, the International Society for Human Ethology was founded to promote exchange of knowledge and opinions concerning human behaviour gained by applying ethological principles and methods and published their journal, The Human Ethology Bulletin. In 2008, in a paper published in the journal Behaviour, ethologist Peter Verbeek introduced the term "Peace Ethology" as a sub-discipline of Human Ethology that is concerned with issues of human conflict, conflict resolution, reconciliation, war, peacemaking, and peacekeeping behaviour.^[10]

Today, along with ethologists, many biologists, zoologists, primatologists, anthropologists, veterinarians, and physicians study ethology and other related fields such as animal psychology, the study of animal social groups, animal cognition and animal welfare science

Fixed action patterns, animal communication and modal action patterns

An important development, associated with the name of Konrad Lorenz though probably due more to his teacher, Oskar Heinroth, was the identification of fixed action patterns (FAPs). Lorenz popularized FAPs as instinctive responses that would occur reliably in the presence of identifiable stimuli (called sign stimuli or releasing stimuli). These FAPs can be compared across species, and the similarities and differences between behaviour compared with the similarities and differences in morphology. A much quoted study^{[citation needed]} of the Anatidae (ducks and geese) by Heinroth used this technique. Ethologists noted that sign stimuli were commonly features of the behaviour of conspecifics and they were able to prove how animal communication could be mediated by FAPs. One investigation of this kind was the study of the waggle dance ("dance language") in bee communication by Karl von Frisch.^[11] Lorenz subsequently developed a theory of the evolution of animal communication based on his observations of fixed action patterns and the circumstances in which they are expressed.

Instinct

Kelp gull chicks peck at red spot on mother's beak to stimulate regurgitating reflex.

The Merriam-Webster dictionary defines instinct as a largely inheritable and unalterable tendency of an organism to make a complex and specific response to environmental stimuli without involving reason.^[12] For ethologists, instinct means a series of predictable behaviours for fixed action patterns. Such schemes are only acted when a precise stimulating signal is present. When such signals act as communication among members of the same species, they are known as releasers. A notable example of a releaser is the beak movements in many bird species performed by the newly hatched chicks, which stimulates the mother's regurgitating process to feed her offspring.^[13] Another well-known case is the classic experiments by Tinbergen on the graylag goose. Like similar waterfowl, the goose rolls a displaced egg near its nest back to the others with its beak. The sight of the displaced egg triggers this mechanism. If the egg is taken away, the animal continues with the behaviour, pulling its head back as if an imaginary egg is still being manoeuvred by the underside of its beak.^[14] However, it also attempts to move other egg-shaped objects, such as a giant plaster egg, door knob, or even a volleyball back into the nest. Such objects, when they exaggerate the releasers found in natural objects, can elicit a stronger version of the behavior than the natural object, so that the goose ignores its own displaced egg in favour of the giant dummy egg. These exaggerated releasers for instincts were named supernormal stimuli by Tinbergen.^[15] Tinbergen found he could produce supernormal stimuli for most instincts in animals—such as cardboard butterflies that male butterflies preferred to mate with if they had darker stripes than a real female, or dummy fish that a territorial male stickleback fish fought more violently than a real invading male if the dummy had a brighter-coloured underside. Harvard psychologist Deirdre Barrett wrote a book about how easily humans respond to supernormal stimuli for sexual, nurturing, feeding, and social instincts.^[16] However, a behaviour only made of fixed action patterns would be particularly rigid and inefficient, reducing the probability of survival and reproduction, so the learning process has great importance, as does the ability to change the individual's responses based on its experience. It can be said^{[by whom?]} that the more the brain is complex and the life of the individual long, the more its behaviour is "intelligent" (in the sense of being guided by experience rather than stereotyped FAPs).

Learning

Habituation

Habituation is a simple form of learning and occurs in many animal taxa. It is the process whereby an animal ceases responding to a stimulus. Often, the response is an innate behaviour. Essentially, the animal learns not to respond to irrelevant stimuli. For example, prairie dogs (Cynomys ludovicianus) give alarm calls when predators approach, causing all individuals in the group to quickly scramble down burrows. When prairie dog towns are located near trails used by humans, giving alarm calls every time a person walks by is expensive in terms of time and energy. Habituation to humans is therefore an important adaptation in this context.^[17]^[18]^[19]

Associative learning

Associative learning, in animal behaviour, is any learning process in which a new response becomes associated with a particular stimulus.^[20] The first studies of associative learning were made by Russian physiologist Ivan Pavlov.^[21] Examples of associative learning include when a goldfish swims to the water surface when a human is going to feed it, or the excitement of a dog whenever it sees a collar as a prelude for a walk.

Imprinting

Example of imprinting in a moose

Being able to discriminate the members of one's own species is also of fundamental importance for reproductive success. Such discrimination can be based on a number of factors. However, this important type of learning only takes place in a very limited period of time. This kind of learning is called imprinting,^[22] and was a second important finding of Lorenz. Lorenz observed that the young of birds such as geese and chickens followed their mothers spontaneously from almost the first day after they were hatched, and he discovered that this response could be imitated by an arbitrary stimulus if the eggs were incubated artificially and the stimulus were presented during a critical period that continued for a few days after hatching.

Observational learning

Imitation

Imitation is an advanced behaviour whereby an animal observes and exactly replicates the behaviour of another. The National Institutes of Health reported that capuchin monkeys preferred the company of researchers who imitated them to that of researchers who did not. The monkeys not only spent more time with their imitators but also preferred to engage in a simple task with them even when provided with the option of performing the same task with a non-imitator.^[23] Imitation has been observed in recent research on chimpanzees; not only did these chimps copy the actions of another individual, when given a choice, the chimps preferred to imitate the actions of the higher-ranking elder chimpanzee as opposed to the lower-ranking young chimpanzee.^[24]

Stimulus enhancement

There are various ways animals can learn using observational learning but without the process of imitation. One of these is stimulus enhancement in which individuals become interested in an object as the result of observing others interacting with the object.^[25] Increased interest in an object can result in object manipulation which allows for new object-related behaviours by trial-and-error learning. Haggerty (1909) devised an experiment in which a monkey climbed up the side of a cage, placed its arm into a wooden chute, and pulled a rope in the chute to release food. Another monkey was provided an opportunity to obtain the food after watching a monkey go through this process on four separate occasions. The monkey performed a different method and finally succeeded after trial-and-error.^[26] Another example familiar to some cat and dog owners is the ability of their animals to open doors. The action of humans operating the handle to open the door results in the animals becoming interested in the handle and then by trial-and-error, they learn to operate the handle and open the door.

Social transmission

A well-documented example of social transmission of a behaviour occurred in a group of macaques on Hachijojima Island, Japan. The macaques lived in the inland forest until the 1960s, when a group of researchers started giving them potatoes on the beach: soon, they started venturing onto the beach, picking the potatoes from the sand, and cleaning and eating them.^[27] About one year later, an individual was observed bringing a potato to the sea, putting it into the water with one hand, and cleaning it with the other. This behaviour was soon expressed by the individuals living in contact with her; when they gave birth, this behaviour was also expressed by their young - a form of social transmission.^[28]

Teaching

Teaching is a highly specialised aspect of learning in which the "teacher" (demonstrator) adjusts its behaviour to increase the probability of the "pupil" (observer) achieving the desired end-result of the behaviour. Killer whales are known to intentionally beach themselves to catch and eat pinnipeds.^[29] Mother killer whales teach their young to catch pinnipeds by pushing them onto the shore and encouraging them to attack and eat the prey. Because the mother killer whale is altering her behaviour to help her offspring learn to catch prey, this is evidence of teaching.^[29] Teaching is not limited to mammals. Many insects, for example, have been observed demonstrating various forms of teaching to obtain food. Ants, for example, will guide each other to food sources through a process called "tandem running," in which an ant will guide a companion ant to a source of food.^[30] It has been suggested that the pupil ant is able to learn this route to obtain food in the future or teach the route to other ants.

Mating and the fight for supremacy

Individual reproduction is the most important phase in the proliferation of individuals or genes within a species: for this reason, there exist complex mating rituals, which can be very complex even if they are often regarded as fixed action patterns (FAPs). The stickleback's complex mating ritual was studied by Niko Tinbergen and is regarded as a notable example of a FAP.

Often in social life, animals fight for the right to reproduce, as well as social supremacy. A common example of fighting for social and sexual supremacy is the so-called pecking order among poultry. Every time a group of poultry cohabitate for a certain time length, they establish a pecking order. In these groups, one chicken dominates the others and can peck without being pecked. A second chicken can peck all the others except the first, and so on. Higher level chickens are easily distinguished by their well-cured aspect, as opposed to lower level chickens. While the pecking order is establishing, frequent and violent fights can happen, but once established, it is broken only when other individuals enter the group, in which case the pecking order re-establishes from scratch.

Living in groups

Several animal species, including humans, tend to live in groups. Group size is a major aspect of their social environment. Social life is probably a complex and effective survival strategy. It may be regarded as a sort of symbiosis among individuals of the same species: a society is composed of a group of individuals belonging to the same species living within well-defined rules on food management, role assignments and reciprocal dependence.

When biologists interested in evolution theory first started examining social behaviour, some apparently unanswerable questions arose, such as how the birth of sterile castes, like in bees, could be explained through an evolving mechanism that emphasizes the reproductive success of as many individuals as possible, or why, amongst animals living in small groups like squirrels, an individual would risk its own life to save the rest of the group. These behaviours may be examples of altruism.^[31] Of course, not all behaviours are altruistic, as indicated by the table below. For example, revengeful behaviour was at one point claimed to have been observed exclusively in Homo sapiens. However, other species have been reported to be vengeful, including reports of vengeful camels^[32] and chimpanzees.^[33]

Classification of social behaviours
Type of behaviour	Effect on the donor	Effect on the receiver
Egoistic	Increases fitness	Decreases fitness
Cooperative	Increases fitness	Increases fitness
Altruistic	Decreases fitness	Increases fitness
Revengeful	Decreases fitness	Decreases fitness

Altruistic behaviour has been explained by the gene-centered view of evolution.

Benefits and costs of group living

One advantage of group living can be decreased predation. If the number of predator attacks stays the same despite increasing prey group size, each prey may have a reduced risk of predator attacks through the dilution effect.^[34] Additionally, a predator that is confused by a mass of individuals can find it more difficult to single out one target. For this reason, the zebra’s stripes offer not only camouflage in a habitat of tall grasses, but also the advantage of blending into a herd of other zebras.^[35] In groups, prey can also actively reduce their predation risk through more effective defense tactics, or through earlier detection of predators through increased vigilance.^[34]

Another advantage of group living can be an increased ability to forage for food. Group members may exchange information about food sources between one another, facilitating the process of resource location.^[34] Honeybees are a notable example of this, using the waggle dance to communicate the location of flowers to the rest of their hive.^[36] Predators also receive benefits from hunting in groups, through using better strategies and being able to take down larger prey.^[34]

Some disadvantages accompany living in groups. Living in close proximity to other animals can facilitate the transmission of parasites and disease, and groups that are too large may also experience greater competition for resources and mates.^[37]

Group size

Theoretically, social animals should have optimal group sizes that maximize the benefits and minimize the costs of group living. However, in nature, most groups are stable at slightly larger than optimal sizes.^[34] Because it generally benefits an individual to join an optimally-sized group, despite slightly decreasing the advantage for all members, groups may continue to increase in size until it is more advantageous to remain alone than to join an overly full group.^[38]

Tinbergen's four questions for ethologists

Lorenz's collaborator, Niko Tinbergen, argued that ethology always needed to include four kinds of explanation in any instance of behaviour:

Function – How does the behaviour affect the animal's chances of survival and reproduction? Why does the animal respond that way instead of some other way?
Causation – What are the stimuli that elicit the response, and how has it been modified by recent learning?
Development – How does the behaviour change with age, and what early experiences are necessary for the animal to display the behaviour?
Evolutionary history – How does the behaviour compare with similar behaviour in related species, and how might it have begun through the process of phylogeny?

These explanations are complementary rather than mutually exclusive—all instances of behaviour require an explanation at each of these four levels. For example, the function of eating is to acquire nutrients (which ultimately aids survival and reproduction), but the immediate cause of eating is hunger (causation). Hunger and eating are evolutionarily ancient and are found in many species (evolutionary history), and develop early within an organism's lifespan (development). It is easy to confuse such questions—for example, to argue that people eat because they're hungry and not to acquire nutrients—without realizing that the reason people experience hunger is because it causes them to acquire nutrients.^[39]

List of ethologists

People who have made notable contributions to ethology (many listed here are actually comparative psychologists):

Robert Ardrey
Patrick Bateson
Marc Bekoff
Ingeborg Beling
John Bowlby
Donald Broom
Wallace Craig
Marian Stamp Dawkins
Richard Dawkins
Viktor Dolnik
Irenäus Eibl-Eibesfeldt
John Endler
Jean-Henri Fabre
Dian Fossey
Karl von Frisch
Douglas P. Fry
Birutė Galdikas
Jane Goodall

James L. Gould
Temple Grandin
Judith Hand
Clarence Ellis Harbison
Heini Hediger
Oskar Heinroth
Robert Hinde
Bernard Hollander
Sarah Hrdy
Julian Huxley
Julian Jaynes
Erich Klinghammer
John Krebs
Konrad Lorenz
Aubrey Manning
Eugene Marais
Peter Robert Marler

Ivan Pavlov
Patricia McConnell
Desmond Morris
Martin Moynihan
Irene Pepperberg
Kevin Richardson
George Romanes
Thomas Sebeok
Barbara Smuts
William Homan Thorpe
Niko Tinbergen
Jakob von Uexküll
Frans de Waal
William Morton Wheeler
E. O. Wilson
Charles O. Whitman
Amotz Zahavi

Gallery of videos

Play media

Food manipulation behaviour by fox squirrels.

References

^ "Definition of ETHOLOGY". Merriam-Webster. Retrieved 30 October 2012. 2 : the scientific and objective study of animal behaviour especially under natural conditions
^ Nobel Prize page for 1973 Medicine Award to Tinbergen, Lorenz, and von Frisch for contributions in ethology
^ McGreevy P and Boakes R,"'Carrots and sticks: Principles of animal training'". (Sydney: "Sydney University Press". , 2011), pp. xi-23.
^ ^a ^b ^c ^d Matthews, Janice R.; Robert W. Matthews (2009). Insect Behaviour. Springer. p. 13. ISBN 978-90-481-2388-9.
^ Bourg, Julian (2007). From revolution to ethics: May 1968 and contemporary French thought. McGill-Queen's Press - MQUP. p. 155. ISBN 978-0-7735-3199-4.
^ Janes, Sharyn; Karen Saucier Lundy (2009). Community Health Nursing: Caring For The Public's Health. Jones & Bartlett Learning. p. 251. ISBN 978-0-7637-1786-5.
^ Ardrey, Robert (1970). The Social Contract: A Personal Inquiry into the Evolutionary Sources of Order and Disorder. Atheneum.
^ Bateson, Paul Patrick Gordon (1991). The Development and integration of behaviour: essays in honour of Robert Hinde. Cambridge University Press. p. 479. ISBN 978-0-521-40709-0.
^ Encyclopaedia Britannica (1975). Yearbook of science and the future. p. 248.
^ Verbeek, Peter. (2008) "Peace Ethology." Behaviour 145, 1497-1524
^ Buchmann, Stephen (2006). Letters from the Hive: An Intimate History of Bees, Honey, and Humankind. Random House of Canada. p. 105. ISBN 978-0-553-38266-2.
^ Hallberg, Leif (2008). Walking the Way of the Horse: Exploring the Power of the Horse-Human Relationship. iUniverse. p. 113. ISBN 978-0-595-47908-5.
^ Bernstein, W M (2011). A Basic Theory of Neuropsychoanalysis. Karnac Books. p. 81. ISBN 978-1-85575-809-4.
^ Tinbergen, Niko 1953 The Herring Gull's World - London, Collins
^ Tinbergen, N. (1951) The Study of Instinct. Oxford University Press, New York.
^ "Barrett, Deirdre. Supernormal Stimuli: How Primal Urges Overran Their Evolutionary Purpose. NY NY: W.W. Norton, 2010". Amazon.com. Retrieved 2011-11-08.
^ M.D.Breed (2001). "Habituation". Retrieved September 9, 2014.
^ Keil, Frank C.; Robert Andrew Wilson (2001). The MIT encyclopedia of the cognitive sciences. MIT Press. p. 184. ISBN 978-0-262-73144-7.
^ Bouton, M.E. (2007). Learning and behavior: A contemporary synthesis. MA, Sinauer: Sunderland.
^ "Associative learning". Encyclopædia Britannica. Retrieved September 9, 2014.
^ Hudmon, Andrew (2005). Learning and memory. Infobase Publishing. p. 35. ISBN 978-0-7910-8638-4.
^ Mercer, Jean (2006). Understanding attachment: parenting, child care, and emotional development. Greenwood Publishing Group. p. 19. ISBN 978-0-275-98217-1.
^ "Imitation Promotes Social Bonding in Primates, August 13, 2009 News Release - National Institutes of Health (NIH)". Nih.gov. 2009-08-13. Retrieved 2011-11-08.
^ http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0010625#pone-0010625-g003
^ Spence, K.W. (1937). Experimental studies of learning and higher mental processes in infra-human primates. Psychological Bulletin, 34: 806-850
^ Haggerty, M.E., (1909). Imitation in monkeys. Journal of Comparative Neurology and Psychology, 19: 337-455
^ Wilson, Edward O. (2000). Sociobiology: the new synthesis. Harvard University Press. p. 170. ISBN 978-0-674-00089-6.
^ "Japanese Macaque - Macaca fuscata". Blueplanetbiomes.org. Retrieved 2011-11-08.
^ ^a ^b Rendell, L. and Whitehead, H. (2001). Culture in whales and dolphins. Behavioral and Brain Sciences. 24: 309-24
^ Hoppitt, W.J., G.R. Brown, R. Kendal, L. Rendell, A. Thornton, M,M, Webster, and K,N, Laland, (2008). Lessons from animal teaching. Trends in Ecology & Evolution, 23: 486-93
^ Cummings, Mark; Carolyn Zahn-Waxler and Ronald Iannotti (1991). Altruism and aggression: biological and social origins. Cambridge University Press. p. 7. ISBN 978-0-521-42367-0.
^ The Ape and the Sushi Master. Books.google.com. 2001-12-27. ISBN 978-0-465-04176-3. Retrieved 2011-11-08.
^ Beyond Revenge. Books.google.com. 2008-04-11. ISBN 978-0-7879-7756-6. Retrieved 2011-11-08.
^ ^a ^b ^c ^d ^e Davies, Nicholas B., Krebs, John R., and West, Stuart A. An Introduction to Behavioral Ecology, 4th ed. Oxford: Wiley-Blackwell, 2012.
^ "How do a zebra’s stripes act as camouflage?" 15 April 2008. HowStuffWorks.com. Accessed 22 April 2014. <http://animals.howstuffworks.com/mammals/question454.htm>
^ Riley, J.; Greggers, U.; Smith, A.; Reynolds, D.; Menzel, R. (2005) "The flight paths of honeybees recruited by the waggle dance". Nature, 435 (7039): 205–207. Bibcode:2005Natur.435..205R. doi:10.1038/nature03526
^ "A Look at Animal Social Groups." Rathads, Triana. Science 360. R. R. Donnelly, 29 Aug. 2007. Web. Retrieved 22 Apr. 2014. <http://www.sciences360.com/index.php/a-look-at-animal-social-groups-6-23511/>.
^ Sibley, R.M. (1983) “Optimal group size is unstable”. Animal Behavior, 31: 947-948.
^ Barrett et al. (2002) Human Evolutionary Psychology. Princeton University Press.

External links

Konrad Lorenz Institute for Evolution and Cognitive Research
Center for the Integrative Study of Animal behaviour
Applied Ethology
Ethology in the world of the horse — whisperers and new masters
Abstracts of the XXIX Ethological Conference
Center for Avian Cognition University of Nebraska (Alan Kamil, Alan Bond)
Multimedia site about Applied Animal Behaviour topics by Michigan State University professor

Diagrams on Tinbergen's four questions

The Four Areas of Biology^{[dead link]}
The Four Areas of Biology AND levels of inquiry

English Journal

Do you see what I see? The difference between dog and human visual perception may affect the outcome of experiments.

Pongrácz P1, Ujvári V2, Faragó T3, Miklósi Á4, Péter A5.
Behavioural processes.Behav Processes.2017 Apr 7;140:53-60. doi: 10.1016/j.beproc.2017.04.002. [Epub ahead of print]
PMID 28396145

Snake scales, partial exposure, and the Snake Detection Theory: A human event-related potentials study.

Van Strien JW1, Isbell LA2.
Scientific reports.Sci Rep.2017 Apr 7;7:46331. doi: 10.1038/srep46331.
PMID 28387376

Toxicity evaluation of graphene oxide on cysts and three larval stages of Artemia salina.

Zhu S1, Luo F1, Chen W1, Zhu B2, Wang G3.
The Science of the total environment.Sci Total Environ.2017 Apr 2;595:101-109. doi: 10.1016/j.scitotenv.2017.03.224. [Epub ahead of print]
PMID 28380404

Japanese Journal

GENIES OR THE OPACITY OF HUMAN-ANIMAL RELATIONSHIPS IN KAKANDE, GUINEA

LEBLAN Vincent,BRICKA Blandine
African Study Monographs 34(2), 85-108, 2013-08-31
… Additional evidence was generated during a long interview with a griot who provided a wealth of ethological information through a series of short animal stories. …
NAID 110009613678

Beneficial Biological Effects of Miso with Reference to Radiation Injury, Cancer and Hypertension

Watanabe Hiromitsu
Journal of toxicologic pathology 26(2), 91-103, 2013
NAID 40019760459

イノシシの行動研究にもとづく被害対策

江口祐輔
哺乳類科学 53(1), 141-143, 2013
NAID 130003367579

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リンク元	「ethology」「エソロジー」「動物行動学」
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「ethology」

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関: ethological

「エソロジー」

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関: 動物行動学

「動物行動学」

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英: ethology、ethological
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神経行動学的な、神経行動学の

関: neurobehavioral、neurobehaviorally、neuroethology

[1] "Definition of ETHOLOGY". Merriam-Webster. Retrieved 30 October 2012. 2 : the scientific and objective study of animal behaviour especially under natural conditions

[2] Nobel Prize page for 1973 Medicine Award to Tinbergen, Lorenz, and von Frisch for contributions in ethology

[3] McGreevy P and Boakes R,"'Carrots and sticks: Principles of animal training'". (Sydney: "Sydney University Press". , 2011), pp. xi-23.

[insectbehavior-4] Matthews, Janice R.; Robert W. Matthews (2009). Insect Behaviour. Springer. p. 13. ISBN 978-90-481-2388-9.

[5] Bourg, Julian (2007). From revolution to ethics: May 1968 and contemporary French thought. McGill-Queen's Press - MQUP. p. 155. ISBN 978-0-7735-3199-4.

[6] Janes, Sharyn; Karen Saucier Lundy (2009). Community Health Nursing: Caring For The Public's Health. Jones & Bartlett Learning. p. 251. ISBN 978-0-7637-1786-5.

[7] Ardrey, Robert (1970). The Social Contract: A Personal Inquiry into the Evolutionary Sources of Order and Disorder. Atheneum.

[8] Bateson, Paul Patrick Gordon (1991). The Development and integration of behaviour: essays in honour of Robert Hinde. Cambridge University Press. p. 479. ISBN 978-0-521-40709-0.

[9] Encyclopaedia Britannica (1975). Yearbook of science and the future. p. 248.

[10] Verbeek, Peter. (2008) "Peace Ethology." Behaviour 145, 1497-1524

[11] Buchmann, Stephen (2006). Letters from the Hive: An Intimate History of Bees, Honey, and Humankind. Random House of Canada. p. 105. ISBN 978-0-553-38266-2.

[12] Hallberg, Leif (2008). Walking the Way of the Horse: Exploring the Power of the Horse-Human Relationship. iUniverse. p. 113. ISBN 978-0-595-47908-5.

[13] Bernstein, W M (2011). A Basic Theory of Neuropsychoanalysis. Karnac Books. p. 81. ISBN 978-1-85575-809-4.

[14] Tinbergen, Niko 1953 The Herring Gull's World - London, Collins

[15] Tinbergen, N. (1951) The Study of Instinct. Oxford University Press, New York.

[16] "Barrett, Deirdre. Supernormal Stimuli: How Primal Urges Overran Their Evolutionary Purpose. NY NY: W.W. Norton, 2010". Amazon.com. Retrieved 2011-11-08.

[Breed-17] M.D.Breed (2001). "Habituation". Retrieved September 9, 2014.

[18] Keil, Frank C.; Robert Andrew Wilson (2001). The MIT encyclopedia of the cognitive sciences. MIT Press. p. 184. ISBN 978-0-262-73144-7.

[19] Bouton, M.E. (2007). Learning and behavior: A contemporary synthesis. MA, Sinauer: Sunderland.

[20] "Associative learning". Encyclopædia Britannica. Retrieved September 9, 2014.

[21] Hudmon, Andrew (2005). Learning and memory. Infobase Publishing. p. 35. ISBN 978-0-7910-8638-4.

[22] Mercer, Jean (2006). Understanding attachment: parenting, child care, and emotional development. Greenwood Publishing Group. p. 19. ISBN 978-0-275-98217-1.

[23] "Imitation Promotes Social Bonding in Primates, August 13, 2009 News Release - National Institutes of Health (NIH)". Nih.gov. 2009-08-13. Retrieved 2011-11-08.

[24] ttp://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0010625#pone-0010625-g003

[25] Spence, K.W. (1937). Experimental studies of learning and higher mental processes in infra-human primates. Psychological Bulletin, 34: 806-850

[26] Haggerty, M.E., (1909). Imitation in monkeys. Journal of Comparative Neurology and Psychology, 19: 337-455

[27] Wilson, Edward O. (2000). Sociobiology: the new synthesis. Harvard University Press. p. 170. ISBN 978-0-674-00089-6.

[28] "Japanese Macaque - Macaca fuscata". Blueplanetbiomes.org. Retrieved 2011-11-08.

[rendell-29] Rendell, L. and Whitehead, H. (2001). Culture in whales and dolphins. Behavioral and Brain Sciences. 24: 309-24

[hoppit-30] Hoppitt, W.J., G.R. Brown, R. Kendal, L. Rendell, A. Thornton, M,M, Webster, and K,N, Laland, (2008). Lessons from animal teaching. Trends in Ecology & Evolution, 23: 486-93

[31] Cummings, Mark; Carolyn Zahn-Waxler and Ronald Iannotti (1991). Altruism and aggression: biological and social origins. Cambridge University Press. p. 7. ISBN 978-0-521-42367-0.

[32] The Ape and the Sushi Master. Books.google.com. 2001-12-27. ISBN 978-0-465-04176-3. Retrieved 2011-11-08.

[33] Beyond Revenge. Books.google.com. 2008-04-11. ISBN 978-0-7879-7756-6. Retrieved 2011-11-08.

[Davies2012-34] Davies, Nicholas B., Krebs, John R., and West, Stuart A. An Introduction to Behavioral Ecology, 4th ed. Oxford: Wiley-Blackwell, 2012.

[35] "How do a zebra’s stripes act as camouflage?" 15 April 2008. HowStuffWorks.com. Accessed 22 April 2014. <http://animals.howstuffworks.com/mammals/question454.htm>

[36] Riley, J.; Greggers, U.; Smith, A.; Reynolds, D.; Menzel, R. (2005) "The flight paths of honeybees recruited by the waggle dance". Nature, 435 (7039): 205–207. Bibcode:2005Natur.435..205R. doi:10.1038/nature03526

[37] "A Look at Animal Social Groups." Rathads, Triana. Science 360. R. R. Donnelly, 29 Aug. 2007. Web. Retrieved 22 Apr. 2014. <http://www.sciences360.com/index.php/a-look-at-animal-social-groups-6-23511/>.

[38] Sibley, R.M. (1983) “Optimal group size is unstable”. Animal Behavior, 31: 947-948.

[39] Barrett et al. (2002) Human Evolutionary Psychology. Princeton University Press.

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