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 ...

Striking instances of larval metamorphosis, and of adult sexual dimorphism, are not uncommon in the animal world. But especially dramatic examples of these phenomena have emerged from the deep sea.

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 ...

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 ...

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 ...

It’s the seemingly basic question that has kept many a paleontologist up at night: How do we know which dinosaurs were male and which were female? For a number of years, paleontologists have suspected ...

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 ...