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Timing, Structure and Functions of the Courtship Display in Male Great Bustard

Sebastian J. Hidalgo de Trucios and Juan Carranza
Ornis Scandinavica (Scandinavian Journal of Ornithology)
Vol. 22, No. 4 (Oct. - Dec., 1991), pp. 360-366
Published by: Wiley on behalf of Nordic Society Oikos
DOI: 10.2307/3676509
Stable URL: http://www.jstor.org/stable/3676509
Page Count: 7
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Timing, Structure and Functions of the Courtship Display in Male Great Bustard
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Abstract

The courtship display in male Great Bustard Otis tarda was analysed in terms of its structural meaning. The display followed a bimodal pattern of daily activity at temperatures between 15 and 21°C. It was used in both agonistic and sexual contexts. Three phases are described whose mean durations differed according to the nature, aggressive or sexual, of the interaction. The aggressive type was performed mainly at the beginning of the mating season, whereas the frequency of the sexual type increased as the mating period progressed. The duration of the last phase of the sexual display (P-3 or full display) correlated with the number of females attracted.

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