Xiao Liwu, the giant panda cub at the San Diego Zoo, is now 22 weeks old. He's close to being mature enough to be put on display at the zoo. In the lively cub's 20th medical exam, shown in the video above, Xiao Liwu's coordination and range of motion have increased. It seems as if he's ready to kick that medical checkup jazz to the curb and get on with full-time frolic.
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