Sue Flood / Polar bear footprint in snow {Ursus maritimus} Churchill Canada

Sue Flood / Chestnut mandibled toucan (Ramphastos ambiguus swainsonii) near Boca Tapada, Costa Rica. January 2011

Sue Flood / Bamboo forest, Shikoku Mura open air museum, Takamatsu, Shikoku Island, Japan, May

Sue Flood - TD / Grey Heron (Ardea cinerea) taking a fish from water. Kiskunsagi National Park, Hungary, May.

Sue Flood / Tourists and Russian icebreaker ship with Adelie penguin in Ross Sea, Antarctica. December 2009

Sue Flood / Emperor penguin (Aptenodytes forsteri) walking across ice, Snow Hill Island rookery, Weddell Sea, Antarctica, November

Sue Flood / Emperor penguins (Aptenodytes forsteri) one with raised flipper, Snow Hill Island rookery, Weddell Sea, Antarctica, November

Sue Flood / Ross Ice Shelf, Antarctica, December 2008

Sue Flood / Emperor penguins (Aptenodytes forsteri) adults and chicks on ice, Cape Washington, Ross Sea, Antarctica, December

Sue Flood / Tourists standing in a circle around the North Pole, July 2008

Sue Flood / Tourists standing in a circle around the North Pole, July 2008

Sue Flood / Sign showing the location of the North Pole, June 2008

Sue Flood / Woman tourist relaxing in hammock on tropical beach, Deadman's Bay, Peter Island, British Virgin Islands, April 2008, Model released

Sue Flood / Luxury hotel room looking over the Pitons, Jade Mountain hotel, St Lucia, May 2007

Sue Flood / Aerial view of iceberg, with majority of berg visible under the water, Antarctic peninsula, February 2007

Sue Flood / Weddell seal (Leptonychotes weddellii) on ice floe, Antarctic peninsula, February

Sue Flood / Humpback whale (Megaptera novaeangliae) mother and calf, Kingdom of Tonga, South Pacific, September Not available for ringtone/wallpaper use.

Sue Flood / Humpback whale (Megaptera novaeangliae) calf just below the surface, Vava'u, Kingdom of Tonga, South Pacific, August

Sue Flood / Two divers in shark cage, waiting for Great white shark, off shark-diving boat, Guadalupe, Mexico, September 2002

Sue Flood / Aerial view of sea ice floe breaking up in summer, Admiralty Inlet, Canadian High Arctic, June 2000

Sue Flood / Aerial view of sand dunes near the Skeleton Coast, Namibia

Sue Flood / Aerial view of a balloon flight near the Sossuvlei dunes, Namibia

Sue Flood / Lone polar bear (Ursus maritimus) walking on ice in the Arctic Ocean, July

Sue Flood / Aerial view of star sand dunes in Sossusvlei, Namibia

Sue Flood / Photographer Sue Flood standing next to North Pole sign surrounded by water, on a tourist trip to the North Pole July 2007

Sue Flood / Bluefin tuna {Thunnus thynnus} captive in fish farm, Japan, 2000

Sue Flood / Scenic over coral reef, Kingdom of Tonga, South Pacific. 2005

Sue Flood / Humpback whale mother pushing her calf up to the surface (Megaptera novaeangliae), Kingdom of Tonga, South Pacific. 2005

Sue Flood / Doug Allan filming Humpback whale mother and calf (Megaptera novaeangliae), Kingdom of Tonga, South Pacific, for Planet Earth, Sept 2005.

Sue Flood / Tail flukes of two feeding Humpback whales (Megaptera novaeangliae), Antarctic peninsula. 2005

Sue Flood / Giant bluefin tuna {Thunnus thynnus} caught on long line and then attacked by Killer whale

Sue Flood / Polar bear peers through window of tourist buggy {Ursus maritimus} Churchill, Canada

Sue Flood / Polar bear cubs, 3-month-old {Ursus maritimus} Churchill, Canada

Sue Flood / Morning Glory Pool, Yellowstone National Park, Wyoming, USA

Sue Flood / Cameraman Doug Allan films Beluga whales surfacing to breathe at ice hole {Delphinapterus leucas} Canadian arctic. On location for Blue Planet, 1999

Sue Flood / Grey whale mother tries to lift her calf as Killer whales (Orcinus orca) attack, Monterey, Pacific, California USA

Sue Flood / Beluga whales trapped at ice hole {Delphinapterus leucas} too far away to reach open sea, Canadian High Arctic. June 1999

Sue Flood / Beluga whales caught in ice hole wounded from Polar bear attack. Canadian high arctic. June 1999

Sue Flood / Killer whale {Orcinus orca} attacking Grey whale calf, off Monterey, California, USA

Sue Flood / Killer Whale hunting grey whale calf; here trying to separate mother and calf. Photographed off Califronia coast, USA

Sue Flood / Risso's dolphins off California coast (Grampus griseus) Pacific USA

Sue Flood / Tourists in safari vehicle watching Thornicroft's giraffe (Giraffa camelopardalis thornicrofti) South Luangwa Valley, Zambia, May 2012

Sue Flood / Fulmar (Fulmarus glacialis) white phase on sea surface, Skaly Lovushky, the Kuril Islands, Russia, June

Sue Flood / Northern fur seal (Callorhinus ursinus) at sea surface, Skaly Lovushky, the Kuril Islands, Russian Far East

Sue Flood / Common guillemot (Uria aalge) murre eggs on Tyuleniy Island (Ostrov Tyuleniy) is a small island in the Sea of Okhotsk, Russian Far East, June

Sue Flood / Northern fur seals (Callorhinus ursinus) looking down on breeding colony with male, female and new born pups all resting on Tyuleniy Island, Russian Far East, June.

Sue Flood / Northern fur seals (Callorhinus ursinus) breeding colony with male, female and new born pups all resting on Tyuleniy Island, Russian Far East, June.

Sue Flood / Northern fur seal (Callorhinus ursinus) female nursing new born pup with others behind, Tyuleniy Island, Russian Far East, June