Smudge 9000 / Flickr / CC by SA 2.0. Like elephant seals, these butterflies are also named in honor of the sexual dimorphism they exhibit. The bold orange tips found on the forewings of the males ...

Species Thrive When Sexual Dimorphism Broadens Their Niches Date: May 10, 2007 Source: Harvard University Summary: Some Caribbean lizards' strong sexual dimorphism allows them to colonize much ...

Humans likely evolved our sexual dimorphism—with males being taller and stronger than females, on average—due to physical competition between males for status and resource control.

A new study using the fossil record establishes that sexual dimorphism in pinnipeds, marked by harem-like behavior, arose around 27 million years ago in association with changing climatic conditions.

The Dental Anthropology Group at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH) has published a paper on sexual dimorphism in the journal Anthropological Science ...

More information: Lucie Aumailley et al, Integrated liver and serum proteomics uncover sexual dimorphism and alteration of several immune response proteins in an aging Werner syndrome mouse model ...