Swallow and Tail Ornaments
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The hypothesis states that female choice selects for male sexual tail ornaments in the monogamous swallow. The writer discusses that this implies that males with longer tail ornaments have a reproductive advantage, in that they get mates sooner, and usually are able to sire two clutches of fledglings per breeding season (while their less-endowed brothers only sire one clutch of fledglings per breeding season). The writer maintains that thus, the males with longer tail ornaments have a clear advantage, in that their mating advances are more quickly accepted by females, so they are able to pair up sooner, and thus are able to pass on more of their genes.
From the Paper:"Female choice selects for male sexual tail ornaments in the monogamous swallow. 1. a) Prediction 1: Tail ornaments in the monogamous swallow have evolved as a result of female choice. 1. b) Prediction 2: Female choice might be based on display frequency, arrival date or territorial quality irrespective of tail length. In other words, it might be that the tail ornaments have absolutely nothing to do with female choice of mate, in which case, this would not have impacted ..."
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Swallow and Tail Ornaments (2007, December 01) Retrieved April 18, 2021, from https://www.academon.com/analytical-essay/swallow-and-tail-ornaments-136728/
"Swallow and Tail Ornaments" 01 December 2007. Web. 18 April. 2021. <https://www.academon.com/analytical-essay/swallow-and-tail-ornaments-136728/>