Over time, as animals evolved, they have physically adapted to better survive in their environments. Some animals developed webbed feet to help them find food or navigate their surroundings. Webbed ...

Lots of features can help an animal master the water: the shape of its body, its fur, a tail, feather-like arms, webbed feet, or even legs covered in tiny hairs. Many animals — and even some insects — ...

FOR THE most part, rodents make people shriek in disgust. But the largest rodent of all, strangely, does not. The capybara, a hirsute native of South America, typically provokes squeals of delight. It ...