Abstract
AbstractThe courtship behaviour of the giant petrel Macronectes giganteus is described after a 15‐months field study in Adélie Land, Antarctica. The five sexual displays are briefly summarized. Sequences of these displays given by both partners form the courtship. Analysis of 1122 sequences shows that their structure varies during the two months before laying. The biological function of this temporal evolution is discussed, focusing on two particular aspects: the synchronization of partners and the diminution of aggressivity leading to copulation.
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