Tiger in water covered with algae

Photo: Roland Weihrauch/AFP/Getty Images

Green water

A young Siberian tiger swims in a pool covered in algae on Jan. 7 inside its outdoor enclosure at the zoo in Duisburg, Germany.

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Snow falls on macaques resting in hot spring

Photo: Kazuhiro Nogi/AFP/Getty Images

Snow monkeys

Japanese macaques rest in an open-air hot spring as snow falls  on Dec. 10 at the Jigokudani Monkey Park in Yamanouchi, Nagano, Japan. The macaques, commonly referred to as "snow monkeys," boast a population of about 160 and are a popular tourist draw.

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Bear plays with a watermelon in the water

Photo: Vanderlei Almeida/AFP/Getty Images

Cooling off in Brazil

A brown bear eats a watermelon and cools down in a pool on Jan. 9 at the zoo in Rio de Janeiro, Brazil.

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Dog swims with a large stick in its mouth

Photo: Horst Ossinger/AFP/Getty Images

Playing fetch

A dog carries a large branch in his mouth while swimming in the floodwaters of the Rhine on Dec. 26 in Duesseldorf, Germany.

 

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