It’s hard to predict which animals will transform like butterflies upon reaching adulthood. Some animals, like horses or ...

While many dinosaurs and pterosaurs flaunted flamboyant feathers, early mammals were a dull lot. A study of the fossilised fur of six mammals that lived during the Jurassic and Cretaceous periods ...

The color of their fur has also given insights into how early mammals evolved and how they interacted with other species and their changing environment. The color of an animal’s fur is quite complex ...

Vertebrates, for example, are divided into mammals, birds, reptiles, amphibians and fish. Mammals are warm-blooded animals with hair or fur and can produce milk to feed their young. They have ...