Article
Sexual selection accelerates signal evolution during speciation in birds.
Proceedings. Biological sciences - 7 Sept 2013
Seddon Nathalie, Botero Carlos A, Tobias Joseph A, Dunn Peter O, Macgregor Hannah E A, Rubenstein Dustin R, Uy J Albert C, Weir Jason T, Whittingham Linda A, Safran Rebecca J
Abstract excerpt
Sexual selection is proposed to be an important driver of diversification in animal systems, yet previous tests of this hypothesis have produced mixed results and the mechanisms involved remain unclear. Here, we use a novel phylogenetic approach to assess the influence of sexual selection on patterns of evolutionary change during 84 recent speciation events across 23 passerine bird families. We show that elevated...
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