Sexual Dimorphism in Facial Morphology and Skin Color in the Horn of Africa

Both target populations revealed significant sexual dimorphism in both structural and pigmentation facial traits. However, in contrast to previous findings reported in certain West African populations, we found no statistically reliable association between these two traits at the individual level. This decoupling may indicate distinct evolutionary or ecological pressures shaping morphological and pigmentation traits. Our findings suggest that no universal trade-off or consistent relationship exists between morphological and pigmentation components of sexual dimorphism across human populations.

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Publication Details

Journal
Sexual Development
Published
2025-12-05
DOI
https://doi.org/10.1159/000549901
Primary Topic
Evolutionary Psychology and Human Behavior
Type
article
Field-Weighted Citation Impact
0.00

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article

Sexual Dimorphism in Facial Morphology and Skin Color in the Horn of Africa

Samatar Abshir Mahamed, Šimon Pokorný, Hassan Sh Abdirahman Elmi, David Král et al.
Sexual Development
Evolutionary Psychology and Human Behavior
article

Sexual Dimorphism in Facial Morphology and Skin Color in the Horn of Africa

Samatar Abshir Mahamed, Šimon Pokorný, Hassan Sh Abdirahman Elmi, David Král, Karel Kleisner, Mohamed Omar, Viktor Černý, Solomon Yared, Petra Frýdlová, Daniel Alex Berti, Daniel Frynta, Abdirahman Ahmed Muhumed, Jitka Jančúchová Lásková, Elyas Abdulahi
article en

Abstract

Both target populations revealed significant sexual dimorphism in both structural and pigmentation facial traits. However, in contrast to previous findings reported in certain West African populations, we found no statistically reliable association between these two traits at the individual level. This decoupling may indicate distinct evolutionary or ecological pressures shaping morphological and pigmentation traits. Our findings suggest that no universal trade-off or consistent relationship exists between morphological and pigmentation components of sexual dimorphism across human populations.

Sexual Development
Grantová Agentura České Republiky
Openalex Percentile: Top 58%
Evolutionary Psychology and Human Behavior
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Sexual Dimorphism in Facial Morphology and Skin Color in the Horn of Africa — Samatar Abshir Mahamed, Šimon Pokorný, et al. · Sexual Development (2025) | TGRS Research Map | TGRS