... transformation in the new issue of Nature. It has long been known that the first backboned land animals or "tetrapods" - the ancestors of amphibians, reptiles, birds and mammals, including ourselves ...
... Uppsala, Cambridge and Duke Universities, published in Science, show that some of the earliest backboned land animals also underwent such changes of lifestyle as they grew up. Professor Per Ahlberg at ...
New fossils of the first land animals reveal that ancient shores were alive with more crawling, slithering creatures than anyone previously thought.
... animal that represents an important intermediate step in the evolutionary transition from fish to animals that walked on land. Results of the study, published in this week's issue of the journal ...
Fossil dens dating back 245 million years might have been made by cat-size land animals known as Thrinaxodon, scientists report.
The ancestors of the first four-legged land animals already showed signs of the group's trademark diversity, suggests a new fossil reconstruction of a transition species.
... within animal bioacoustics is how sonar and other human sounds affect marine and land animals.
Some of the most interesting animal sounds are those we cannot hear -- like the croaks made by a rare ...
Humans, birds, and other land animals share a brain circuit for vocalizing with toadfish, suggesting that the mechanism first appeared in animals 400 million years ago, a new study says.
Far from besting their competition in a long struggle to become Earth's dominant land animals, dinosaurs may have just been more fortunate, new research suggests.
Tetrapods, the first four-legged land animals, are regarded as the first organisms that had fingers and toes. ... ancestors evolved into the first four-legged animals, tetrapods, 380 million years ago. ...
... of paleontological research indicating that birds evolved from dinosaurs.
"Among land animals, birds have a unique way of breathing. The lungs actually don't expand," Sereno said. Instead ...
The biggest land animals that ever lived grew huge and were an evolutionary success in part because they swallowed large quantities of food whole, new research suggests.
... and the next colony of your species may be hundreds of kilometres away. It suggests these creatures are far more resilient that we thought, based on what we know from the behavior of land animals."
... we found it would have to be as energy efficient as a bird. No land animal travels that far today," said Bell.
Bell does not dispute the evidence of migration and points to discoveries of ...
... to be quite diverse, in fact, with roughly twice as much genetic variation as most land animals, DeWoody said.
They calculated relatedness by measuring frequencies of alleles, which are copies or ...
