[Paul Nicklen from Canada has won the 2013 World Press Nature Photo
Emperor Penguins - Ross Sea, Antarctica
New science shows that Emperor Penguins are capable of tripling their swimming speed by releasing millions of bubbles from their feathers. These bubbles reduce the friction between their feathers and the icy seawater, allowing them to accelerate in the water. They use speeds of up to 30 kilometers per hour to avoid leopard seals and to launch themselves up onto the ice