Cockburn, Andrew; Dalziell, Anastasia; Blackmore, Caroline; Double, Michael; Kokko, Hanna; Osmond, Helen; Beck, Nadeena; Head, Megan; Wells, Konstans
Female superb fairy-wrens Malurus cyaneus initiate extragroup fertilizations by forays to the territory of preferred males, just before sunrise, 2-4 days before egg laying. Over a prolonged breeding season, males advertise their availability to foraying females by singing during the dawn chorus. Here, we show that 1) males commence dawn advertisement at the same time of the year regardless of their quality or status; 2) subordinate males advertise by singing in close proximity to the dominant,...[Show more]
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