Ganuk, the polar bear cub, swims under water at the St-Felicien Wildlife Zoo

Ganuk, the polar bear cub, swims under water at the St-Felicien Wildlife Zoo in St-Felicien, Quebec November 30, 2010. Ganuk and Taiga, the polar bear cubs, celebrated their first birthday today. REUTERS/Mathieu Belanger (CANADA – Tags: ANIMALS IMAGES OF THE DAY)