Polar bears do not hunt in groups. However, they are known to share food with each other. They can be seen together eating a prey shoulder to shoulder, showing great tolerance and dealing with each other without the slightest sign of aggression

Polar bears hunt successfully on coastal areas, feeding on the carcasses of dead marine mammals such as whales that have washed up on shore

Young polar bears often come near settlements, looking for food during shortages

Young polar bears often come near settlements, looking for food during shortages

An adult male polar bear attacks a female walrus at a rookery on Wrangel Island

Polar bears do not hunt in groups. However, they are known to share food with each other. They can be seen together eating a prey shoulder to shoulder, showing great tolerance and dealing with each other without the slightest sign of aggression

Polar bears do not hunt in groups. However, they are known to share food with each other. They can be seen together eating a prey shoulder to shoulder, showing great tolerance and dealing with each other without the slightest sign of aggression

Polar bears do not hunt in groups. However, they are known to share food with each other. They can be seen together eating a prey shoulder to shoulder, showing great tolerance and dealing with each other without the slightest sign of aggression

A polar bear swims in the open sea to escape danger. If polar bears cannot find ice blocks nearby, they may swim long distances and run the risk of exhaustion, which decreases their chances of survival.

As sea ice melts, walruses and Arctic seals form coastal rookeries

As sea ice melts, walruses and Arctic seals form coastal rookeries

A rising number of seal diseases and deaths has been registered in Chukotka and Alaska in 2011. Photo: A sick seal pup seen on the coast. Sick seals are easy prey for polar bears

Young polar bears often come near settlements, looking for food during shortages