Three killer whales surface through a breathing hole in the ice of Hudson Bay near the community of Inukjuak, Quebec Jan 9, 2013. The three whales are part of a pod of several that are trapped in the sea ice of the Hudson Bay. The whales are taking turns breathing through a hole in the ice about the size of a pickup truck. Inukjuak's mayor has called upon the Canadian government to send an icebreaker to save them.[Photo/Agencies]

Xiao Liwu, the San Diego Zoo's five-month-old panda cub, is pictured in his first visit to his outside habitat at the zoo in San Diego, California in this Jan 9, 2013 handout photo. Only 1,600 giant pandas are believed to exist in the wild, and the species is primarily threatened by habitat loss.[Photo/Agencies]