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A dog who surfs and 12 more of this week's best animal photos

A woman paddles with her dog on a surfboard
A woman paddles with her dog at Arpoador beach during a summer day in Rio de Janeiro January 31, 2014. This has been the hottest January on record in parts of Brazil, and the heat plus a severe drought has fanned fears of water shortages, crop damage, and higher electricity bills that could drag down the economy during an election year for President Dilma Rousseff.Ricardo Moraes / Reuters
From a bear hug to a fox in the city, check out this week's round-up of the best animal photos from around the globe.