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Western D,. (1975). Water availability and its influence on the structure and dynamics of a savannah large mammal community. E Afr Wildl J 1, 3, 265–288.
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Wagner, G. (1975). [Flight leadership in flocks of homing pigeons]. Z. Tierpsychol., (39), 61–74.
Abstract: Groups of 3-5 homing pigeons individually recognizable by different colours of their plumage were followed by helicopter on their way home. In most cases the animals flew together as a group with frequently changing leadership. Flight formations in terms of leadership were noted every minute. It was examined statistically whether the flight order varies at random or whether there are leading and led birds. In 6 out of 7 experiments with groups of 4-5 pigeons flight order was far from random, one or two pigeons proving to be leaders. In only one experiment leadership did not differ from a random distribution. No correlation could be found between the tendency to lead within a group and homing performance of the single pigeon when released individually.
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Bergmann, H. H., Klaus, S., Muller, F., & Wiesner, J. (1975). [Individuality and type specificity in the songs of a population of hazel grouse (Bonasa bonasia bonasia L., Tetraoninae, Phasianidae)]. Behaviour, 55(1-2), 94–114.
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Stober, M., & Geiger, J. F. (1975). [Lamenting “moaning” in domestic cattle]. Dtsch Tierarztl Wochenschr, 82(1), 10–13.
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Makarov, V. V., & Bakulov, I. A. (1975). [Zoopathogenic arboviruses, their systematics and ecology]. Veterinariia, (11), 39–41.
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