When it comes to the stegosaurus, it might be very easy to tell the ladies from the gents. A new study of the dinosaurs’ ridges of fierce plates shows that males and females sported very different ...

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 other ...

This is a preview. Log in through your library . Abstract 1. Two often cited hypotheses explaining sexual head size dimorphism in lizards are: sexual selection acting on structures important in ...

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, examining ...

Studies of sexual dimorphism commonly focus on male morphology, often viewing males as divergent both evolutionarily and ontogenetically. For example, in continuously growing vertebrates such as ...

A new method to estimate sexual dimorphism in fossil species near the base of our family tree has been just published in the Proceedings of the National Academy of Science (PNAS), through the joint ...

Researchers have found the development of the frontal sinus was affected more by sexual dimorphism than the ancestry of the individual and that it was the interplay between those two factors that ...

Many animals go to extreme lengths to reproduce, developing sex differences — great and small — to woo members of the opposite sex and compete with rivals. This "sexual selection" is thought to be how ...