These "anthropogenic subsidies" enable red foxes to move into tundra habitats. Larger, stronger and more aggressive than their Arctic cousins, they frequently outcompete them, prey on them and ...

During the summer months, Arctic foxes collect a surplus of food and carry it back to their dens to bury and store. Come wintertime when prey is scarce, they will follow polar bears and wolves to ...

Winter animals have to be resilient to endure cold temperatures and adapt to food scarcity in order to survive in extreme environments.

This help prevent heat loss. The ears of arctic foxes are pointed forwards and so are very directional. They can hear their main prey, lemmings, moving through tunnels they make in the snow.

Arctic foxes are undeniably truly remarkable creatures, perfectly adapted to one of the harshest environments on Earth.