Mei Xiang at the National Zoo earlier today. Her cub died last month.
Rod Lamkey Jr. /The Washington Times /Landov
October 11, 2012 The cub was about a week old when it died on Sept. 23. Tests since then show that her lungs didn't develop properly, which affected how much oxygen she was getting and in turn damaged her liver.
Dennis Kelly (right), director of the Smithsonian's National Zoo, and Suzan Murray, chief veterinarian, discuss the panda cub's death.
Mark Wilson/Getty Images
September 24, 2012 Less than a week old, the cub died on Sunday at Washington's National Zoo. Preliminary examinations indicate that some of its liver had hardened and that it had a build-up of fluid in the abdomen. Also, officials believe it was likely a female.
September 23, 2012 Sounds of distress from the cub's mother, Mei Xiang, alerted panda-keepers, but it was too late. The cause of death is not yet known.
A composite of images from the panda cam, showing Mei Xiang during and after giving birth.
September 18, 2012 When "butter stick" was born in 2005, NPR's Kitty Eisele was among the many who were mesmerized as the National Zoo's panda cam showed his progress. This week, another cub's been born. So panda fans such as Kitty are back at their computers to watch.
Mei Xiang, who gave birth overnight, enjoying a piece of fruit on Dec. 19, 2011, at the National Zoo.
Fang Zhe /Xinhua /Landov
September 17, 2012 Officials don't know yet whether it's a male or female. The mother, Mei Xiang, gave birth to Tai Shan (a male) in 2005.
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