Polar bear, Hudson Bay, Manitoba, Canada
© Sean Crane/Minden Picture
Polar bear, Canada
The largest carnivore on land roams the icy north. Polar bears like this one spend much of their lives on sea ice rather than terra firma, stalking their favourite prey: seals. Superbly insulated against the cold, polar bears are uniquely suited for life on the ice. They live in portions of Greenland, Norway, Russia, Alaska and Canada.
Most of Canada's polar bears live near the vast Hudson Bay, seen here near the delta of the Seal River. As summer ends, hungry bears who have been living on fat reserves for months gather on the shores of Hudson Bay, waiting for ice to form so they can return to the hunt. Due to climate change, the ice-free period of summer has grown longer, cutting short the bears' hunting season and making human-bear encounters more likely. And while the latter may seem like good news for bear-watchers, these maritime beasts are best viewed from afar.
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