Game designer-in-training Andrea Rubenstein has just published a great article about fantasy bodies in MMOs, focusing in particular on sexual dimorphism in World of Warcraft. She points out the ...

Around 150 million years ago, it might not have been that difficult to look at a Stegosaurus and tell whether it was a male or a female. Today, however, it’s a big challenge. Researchers find ...

Sexual dimorphism is very common across the animal kingdom. Male peacocks sport iridescent blue-green feather fans while the female peahens have plain brown plumage, for instance, and male lions ...

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 ...

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.

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 ...

Females and males typically differ in many ways in their morphology, physiology and behaviour. How such sex differences, known as sexual dimorphism, evolve is a puzzle because females and males ...

Tomohiko Sasaki et al, Estimating sexual size dimorphism in fossil species from posterior probability densities, Proceedings of the National Academy of Sciences (2021). DOI: 10.1073/pnas.2113943118.

Mating dimorphism is perhaps best exemplified by large and small male Atlantic salmon (Hutchings & Myers, 1988). The large male is the morph that people typically imagine when thinking of Atlantic ...

We review previous hypotheses for the origin and evolution of allelic dimorphism in malarial antigens and discuss the difficulties of explaining the available data under these proposals.

Some Caribbean lizards' strong sexual dimorphism allows them to colonize much larger niches and habitats than they might otherwise occupy, allowing males and females to avoid competing with each ...