Birds and reptiles may not resemble humans in many ways, but they cry similar tears. The composition of human tears is well known, but until now, there was very little research into the composition ...

Aug. 13 (UPI) --The tears shed by birds and reptiles are surprisingly similar to human tears, according to a new study. However, researchers also identified key differences. The study, published ...

Humans aren’t the only species that show strong worth ethic and scruples. Researchers have discovered that animals such as insects, reptiles, birds and fish show signs of conscientiousness to. They ...

The basic decision-making circuitry underlying social behaviors such as fighting and mating is incredibly similar in all vertebrates, from fish to mammals, new research suggests. These networks may be ...

Bird and reptile tears aren't so unlike our own, shows a new study in Frontiers in Veterinary Science. But the differences could provide insights into better ophthalmic treatments for humans and ...

Crocodiles are a close living relatives of birds, but compared to their feathered cousins, they are stuck in the past, scientists claim. Both groups of animals share a common ancestor that lived ...

Birds are the closest living relatives of dinosaurs, not crocodiles. Modern birds evolved from theropod dinosaurs. They ...

Brain sleep appeared early in vertebrate evolution. Researchers describe the existence of REM and slow-wave sleep in the Australian dragon, with many common features with mammalian sleep: a phase ...

There has been a lingering mystery in the fossilized dinosaur eggs. Although the structure superficially resembles that of modern reptiles' eggs, there has been ongoing debate as to whether it has ...

While wildfires in Australia have destroyed homes and claimed lives, they are also taking a toll on the country's ecosystem, possibly wiping out entire species of plants and animals. The University of ...