Polar bears are among the planet's most iconic symbols of cold climate adaptation. They boast a thick layer of blubber, ...

To help them stay warm they have feathers and a thick layer of fat under their skin called blubber. Animals have evolved in many wild and wonderful ways that allow them to live in different ...

The blue whale is the largest animal on the planet. It consumes enormous quantities of tiny, shrimp-like animals known as ...

Open the Youtube video Sea otters are the smallest marine mammals, but they have some incredible adaptations to thrive in the ocean. Unlike seals and whales, they don’t have a thick layer of blubber ...