Polar bears can walk easily across icy surfaces. Nubs on their paw pads may help them get a grip.

The polar bear's footpads have a kind of “non-slip” surface, allowing them to get traction on slippery ice. Polar bears have strong legs and large, flattened feet with some webbing between their toes, which helps with swimming and walking on ice.

REMARKABLY WELL ADAPTED The bear's skin is black, which absorbs the heat that is channelled inwards by the strands of white fur, and the it has stubby ears that reduce its heat loss. Lastly, the polar bear has wide paws that spread like snow shows and stop it sinking too deep into the snow.

a polar bear has to move slowly, otherwise its body will get overheated. why? Polar bears have two thick layers of fur and a layer of fat under it's skin. They have to walk slowly and rest often to avoid getting overheated because they are very well insulated.