First terrestrial animals shuffled onto land. ... News that the Nature paper is in agreement with her findings, "where axial regionalization is also suggested to be an adaptation for swimming." ...

To test this idea in mammals, the researchers divided thousands of species into four categories: fully terrestrial species, those with some aquatic adaptations but that are still mobile on land ...

This kind of adaptation would have given animals an advantage as they ventured onto land. One of the bones around the spiracles of early vertebrates eventually became the stapes in the middle ear ...

To test this idea in mammals, the researchers divided thousands of species into four categories: fully terrestrial species, those with some aquatic adaptations but that are still mobile on land ...

Under normal circumstances, animals have water in their bodies to spare. But in the desert, it’s a hot commodity, creating a catch-22 for organisms: risk overheating or risk dehydration. “That's the ...

The evolution of pterosaurs, the first true flying vertebrates, showcases some of the most remarkable adaptations in the history of life. While these creatures are best known for their ability to ...

Sour foods are often avoided by mammals, but many birds regularly feed on highly acidic fruits. Evolution has provided them ...

“Adaptations to a terrestrial lifestyle documented for sebecids and the chronology of West Indian fossils strongly suggest that they reached the islands in the Eocene-Oligocene through transient ...

In order to examine the marine-terrestrial transition and resulting biological adaptations, the researchers investigated talitrids, a group of small crustaceans that live in a variety of regions ...