Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4762315 | Trends in Ecology & Evolution | 2016 | 10 Pages |
Abstract
The elaboration and diversification of sexually selected weapons remain poorly understood. We argue that progress in this topic has been hindered by a strong bias in sexual selection research, and a tendency for weapons to be conflated with ornaments used in mate choice. Here, we outline how male-male competition and female choice are distinct mechanisms of sexual selection, and why weapons and ornaments are fundamentally different types of traits. We call for research on the factors contributing to weapon divergence, the potential for male-male competition to drive speciation, and the specific use of weapons in the context of direct fights versus displays. Given that weapons are first and foremost fighting structures, biomechanical approaches are an especially promising direction for understanding weapon design.
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Authors
Erin L. McCullough, Christine W. Miller, Douglas J. Emlen,