Cheryl-Samantha Owen / Ankole cattle, cultural icon for the traditionally nomadic Bahima people of Uganda, outside Lake Mburu National Park, Uganda, East Africa. After years of disputes between neighbouring communities and...

Benoit Stichelbaut / Skipper Eric Peron and co-skipper Miguel Danet celebrating with champagne after Transatlantic AG2R race, 2008. St Barths, 2008

Benoit Stichelbaut / Skipper Eric Peron and co-skipper Miguel Danet celebrating with champagne after Transatlantic AG2R race, 2008. St Barths, May 2008

Bryan and Cherry Alexander / Inuit children playing game at party to welcome return of the sun. Northwest Greenland, 1980.

Angelo Gandolfi / Remains of ancient wolf-trap at Cabo Vilan, Galicia, Spain. Note the two V-shaped walls, where the wolves were driven by hunting parties into the trap. July 2008.

Karl Ammann / Ba'ka pygmy in Cameroon, West Africa being tested for Ebola virus after eating infected gorilla meat. Close genetic correlation between humans and apes means that many of the same viruses and parasite...

Onne van der Wal / A party onboard a superyacht docked for the night during the St. Baths Bucket Regatta, St Barthelemy, Caribbean.

Onne van der Wal / Crowd on the shore with traditional boats and children swimming in the sea, Grenada Sailing Festival 2005, Grenada, Caribbean.

Gary Braasch / Plenary working session of the Conference of the Parties of the UN Climate Change Conference, Bali, Indonesia. December 14th, 2007.

Doug Perrine / Hunting coalition of a Peacock grouper (Cephalopholis argus) and a whitemouth moray eel (Gymnothorax meleagris) Honokohau, North Kona, Big Island, Hawaii. The grouper is waiting for the eel to go hunt...

Doug Perrine / Hunting coalition of Peacock grouper, (Cephalopholis argus) and Whitemouth moray eel, (Gymnothorax meleagris) Kohanaiki, North Kona, Big Island, Hawaii. The eel hunts inside the reef crevices while th...