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Les signaux des femelles dans la communication intersexuelle ; études chez le canari domestique, Serinus canaria

Abstract : Much studies on reproduction and animal communication have considered the female as the passive sex; the role of the female during male-female interactions have often been overlooked. However, there is growing evidence that female behaviours can affect those of the males and that males can adjust their courtships to female behaviours. The aim of this thesis is to understand the signals produced by females during interactions with a male in a reproductive context in the domestic canary. Overall, my results show that females not only use their visual and acoustic signals, the copulation solicitation display and the female-specific trills, as an invitation to copulate but also to incite male to sing as an aid to sample potential mates. Then, these two signals could not have the same efficacy in different contexts of transmission. Moreover, the visual components of the communication seem to be more important than previously thought during intersexual interactions in this species. Finally, this thesis provides new elements about the female preferences for male songs and shows that methods used to test female preferences in laboratory are reliable and congruent. This thesis contributes to the growing number of researches showing that females play an active role in intersexual interactions.
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Pauline Salvin. Les signaux des femelles dans la communication intersexuelle ; études chez le canari domestique, Serinus canaria. Zoologie des vertébrés. Université de Nanterre - Paris X, 2018. Français. ⟨NNT : 2018PA100137⟩. ⟨tel-02183983⟩

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