It's how polar bears sense a dead whale 20 miles away
[DOC] [TLE] Hunting and Diet | Polar Bears International [PAR] Ringed seals are the polar bear's primary food source--but a beached whale 
means a ... Polar bears locate breathing holes with their powerful sense of smell 
and lie in ... At about 20 feet from the seal, the bear uses its explosive speed to 
pounce, ... most polar bears follow the icesometimes traveling hundreds of 
milesto... [DOC] [TLE] Polar Bears!!!