In this handout from the Zoological Society of San Diego, Su Lin, the San Diego Zoo's 16-week-old giant panda cub, shows off two of her new canine teeth during her weekly veterinary exam November 23, 2005 in San Diego, California. According to San Diego Zoo veterinarians, the cub now has 14 to 16 teeth. Su Lin weighs 11.3 pounds and measured more than 2 feet. (Photo by Ken Bohn/San Diego Zoo via Getty Images)
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