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Penzhorn Bl,. (1982). Home range sizes of Cape Mountain Zebras in the mountain zebra national park. Koedoe, 25, 103–108.
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Penzhorn Bl,. (1982). Soil- eating by Cape Mountain Zebras in the mountain zebra nationl park. Koedoe, 25, 83–88.
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Poglayen- Neuwall I,. (1982). Einbürgerung exotischer Huftiere in New Mexico 1950 – 1979. Zool. Garten., 52, 195–232.
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Skiff Em,. (1982). The effect of enclosure design on social interactions and daily activity patterns of the captive asiatic wild horse.
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Klingel, H. (1982). Social organization of feral horses. J Reprod Fertil Suppl, 32, 89–95.
Abstract: The basic social unit in feral horses is the family group consisting of one stallion, one to a few unrelated mares and their foals. Surplus stallions associate in bachelor groups. Stallions are instrumental in bringing mares together in a unit which then persists even without a stallion. The similarity of social organization in populations living in a variety of different habitats indicates that feral horses have reverted to the habits of their wild ancestors, and that domestication has had no influence on this basic behavioural feature.
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Galdikas BMF. (1982). Orang-utan tool-use in Tanjung Puting Reserve, Central Borneo (Kalimantan Tengah). J. Hum. Evol., 10, 19.
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Gallup GG. (1982). Self-awareness and the emergence of mind in primates. Am. J. Primatol., 2, 237.
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Nishida T, & Hiraiwa M. (1982). Natural history of tool-using behavior by wild chimpanzees in feeding upon wood-boring ants. J. Hum. Evol., 11, 73.
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Maynard Smith, J. (1982). Evolution and the Theory of Games.
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