Red snapper caught by commercial fishermen await shipment on a dock in South Carolina. South Atlantic Fishery Management Council/AP hide caption

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Sudan, one of four endangered northern white rhinoceroses shipped to Kenya from a zoo in the Czech Republic, explores his new pen at the Ol Pejeta reserve near the town of Nanyuki in central Kenya. Tony Karumba/AFP/Getty Images hide caption

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A lobster raised for 60 days at normal levels of CO2 exposure (left), and one raised at seven times that level. Courtesy Justin Ries hide caption

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The collection plate and a plate of dog treats makes the rounds after the Sunday services at Covenant Presbyterian Church in Los Angeles. Richard Vogel/AP hide caption

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OddTodd

Lioness Sabrina (foreground) walks in her pen at the Gaza Zoo with her brother, Sakher, in 2007. The two lions are among the few animals at the zoo that survived the Israeli offensive against Hamas militants nearly a year ago. Hatem Moussa/AP hide caption

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North America was once home to mammoths, mastodons (above) and beavers the size of black bears. Barry Roal Carlsen/University of Wisconsin-Madison hide caption

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