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Adaptations in female songbirds to selective circumstances

Robben, Ramon (2018) Adaptations in female songbirds to selective circumstances. Bachelor's Thesis, Biology.


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Despite the usual focus on males, females too can be subjected to aggressive, competitive and selective situations. Sexual selection is usually viewed from the perspective of the males, where they develop traits used by the female as a fitness indicator to choose the male and used by the males in intrasexual competition. This can happen for females too, however. On evolutionary timescales, females in highly aggressive and competitive situations can be predicted to develop traits much like males to better suit these conditions. The potential variation of these adaptations is quite high, as it can result in either a sexually dimorphic or sexually monomorphic appearance of the species. These findings have recently caused stirs in the current theory of sexual selection, with some researchers suggesting changing the current sexual-selection theory or abandoning it altogether. In light of this gap of knowledge, many studies have been conducted attempting to find results to better understand sexual selection. This study assesses the currently known adaptations of females in aggressive, competitive and selective circumstances, to better understand whether and how sexual selection works in females relative to males.

Item Type: Thesis (Bachelor's Thesis)
Supervisor name: Kingma, S.A.
Degree programme: Biology
Thesis type: Bachelor's Thesis
Language: English
Date Deposited: 20 Apr 2018
Last Modified: 20 Mar 2023 08:48

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