The Week in Animal News: Piggybacking Polar Bears, Obese Pets, and More (Slideshow)
Photo credit: Mairi Beautyman
Are we making the animals around us fat? Obesity rates among people worldwide have soared over the last several decades -- but it turns out that humans aren't the only ones packing on the pounds. Find this story -- as well as lonely turtles, piggybacking polar bears, oysters taking back their shells -- and more in The Week in Animal News.
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