It's been a year since Yun Chuan and Xin Bao debuted at the Panda Ridge at the San Diego Zoo.

To help celebrate, the first 2,025 guests to visit the pandas on Friday will receive a California Panda Day pin.

Marco Wendt, a wildlife ambassador at the San Diego Zoo, says that Xin Bao is very curious and can give a mean side eye, while Yun Chuan loves to eat and sleep.

Yun Chuan is the son of Zhen Zhen (pronounced jen jen) who was born at the San Diego Zoo in 2007 to parents Bai Yun (pronounced bye yoon) and Gao Gao (pronounced gow gow). The first character of his name, "Yun," is a nod to his grandmother, Bai Yun, who lived at the San Diego Zoo for 23 years, according to the San Diego Zoo Wildlife Alliance. The second part of his name, "Chuan," means “big river,” and is a nod to the provinc

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