Environmental and social modulation of hormones and behavior in a free living songbird, the black redstart

نویسندگان

  • Wolfgang Goymann
  • Niels Dingemanse
  • Camila P. Villavicencio
چکیده

Ich versichere hiermit an Eides statt, dass die vorgelegte Dissertation von mir selbständig und ohne unerlaubte Hilfe angefertigt ist. Erklärung Hiermit erkläre ich, dass die Dissertation nicht ganz oder in wesentlichen Teilen einer anderen Prüfungskommission vorgelegt worden ist und dass ich mich anderweitig einer Doktorprüfung ohne Erfolg nicht unterzogen habe. Experimental induction of social instability during early breeding does not alter testosterone levels in male black redstarts, a socially monogamous songbird……………………………………………………………………….…15 Chapter Two The number of life-history stages does not influence the androgen responsiveness to male-male interactions: Sedentary and migratory black redstarts (Phoenicurus ochruros) do not elevate testosterone in response to simulated territorial intrusions………………………………………………………………….25 Chapter Three Parental care, loss of paternity and circulating levels of testosterone and corticosterone in a socially monogamous song

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تاریخ انتشار 2015