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Mei Xiang, the female giant panda at the Smithsonian's National Zoo in Washington, eats breakfast Monday, Dec. 19, 2011. The zoo announced a $4.5 million gift Monday to fund its giant panda reproduction program for five more years. Donator and philanthropist David M. Rubenstein, who is also co-founder and managing director of the Carlyle Group, said in a news conference, "There are probably 10 million species on the face of the earth, and I doubt that any one of those species is more popular and more beloved than the giant panda." "Hopefully this will result in more pandas being born here," he said. (AP Photo/Susan Walsh)

National Zoo pandas ready for parenthood

The "black-and-white rock star" of the Smithsonian's National Zoo, female panda Mei Xiang, was recovering on Apr. 30 after being artificially inseminated.