Because the Arctic and Antarctic are cold, dark, and remote, we often think these two places are nearly the same. However, they are quite different. One notable difference is that polar bears live only in the Arctic, and penguins live only in the Antarctic.
This is just one of a set of stunning images from the life's work of award-winning wildlife photographer Sue Flood. She has spent more than 20 year pursuing of the best wildlife shots - but says the polar regions of the Arctic and Antarctic remain her most special places. And perhaps the fact that her husband, fellow freelance wildlife photographer Doug Allan, proposed while they were adrift on an Arctic ice floe has also added to the memories.

Taking the plunge: An emperor penguin chicks jump off an ice block in Cape Washington, Ross Sea, Antarctica

Inspirational: Sue Flood says she is drawn to the polar regions by the isolation and the toughness of the people and animals. Adelie penguins at Cape Adare, Antarctica


Life in a cold climate: A hunter from Greenland in traditional animal skin clothing, including polar bear trousers; right, an emperor penguin viewed through a hole in an iceberg at Snow Hill Island rookery, Antarctic

Top of the world: The North Pole sign sits in melting ice and meltwater

Things come to those who wait: A polar bear waits near a seal hole at the foot of a glacier in Franz Josef Land, the Russian Arctic

Sight seeing: A tourist watches Crabeater seals, Weddell Sea, Antarctica
This is just one of a set of stunning images from the life's work of award-winning wildlife photographer Sue Flood. She has spent more than 20 year pursuing of the best wildlife shots - but says the polar regions of the Arctic and Antarctic remain her most special places. And perhaps the fact that her husband, fellow freelance wildlife photographer Doug Allan, proposed while they were adrift on an Arctic ice floe has also added to the memories.
Taking the plunge: An emperor penguin chicks jump off an ice block in Cape Washington, Ross Sea, Antarctica
Inspirational: Sue Flood says she is drawn to the polar regions by the isolation and the toughness of the people and animals. Adelie penguins at Cape Adare, Antarctica
Life in a cold climate: A hunter from Greenland in traditional animal skin clothing, including polar bear trousers; right, an emperor penguin viewed through a hole in an iceberg at Snow Hill Island rookery, Antarctic
Top of the world: The North Pole sign sits in melting ice and meltwater
Things come to those who wait: A polar bear waits near a seal hole at the foot of a glacier in Franz Josef Land, the Russian Arctic
Sight seeing: A tourist watches Crabeater seals, Weddell Sea, Antarctica