Changes in the Secondary Sexual Adornments of Male Mandrills (Mandrillus sphinx) Are Associated with Gain and Loss of Alpha Status

Two semifree-ranging mandrill groups, inhabiting large, naturally rainforested enclosures in Gabon, were studied to measure morphological, endocrine, and behavioral changes that occurred when adult males rose, or fell, in dominance rank. Gaining alpha rank (N = 4 males) resulted in increased testicu...

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Veröffentlicht in:	Hormones and behavior 2001-05, Vol.39 (3), p.177-184
Hauptverfasser:	Setchell, Joanna M, Dixson, Alan F
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal ethology Animals Biological and medical sciences Fundamental and applied biological sciences. Psychology Male Mammalia mandrill Mandrillus sphinx Papio - physiology Psychology. Psychoanalysis. Psychiatry secondary sexual adornments Sex Characteristics sexual selection Social Dominance Testis - anatomy & histology Testis - physiology testis size testosterone Testosterone - blood Vertebrata
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