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March faces: The best animal images

By: Catie Leary on March 31, 2010, 5:23 a.m.
Knut and Giovanna

Photo: Sean Gallup/Getty Images

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Knut and Giovanna

Polar bears Knut (left) and Giovanna lick each other's faces on March 4 at their enclosure at the Berlin Zoo in Germany. Giovanna is on loan for several months from a zoo in Munich, and she and Knut seem to be getting along well.