Panda cub Bei Bei’s eyes partially opened

Chinese Culture

Photo by National Zoo Photo by National Zoo

The six-week-old giant panda cub Bei Bei’s eyes are opened.

The National Zoo tweeted on Tuesday morning: “Bei Bei’s eyes are now partially open and teeth buds are developing. Weighing in at 4.5 lbs. of adorable.”

Photo by National Zoo

Photo by National Zoo

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Bei Bei was born Aug.22,2015. He has much more distinct black-and-white markings. Zoo officials say the markings on his back closely resemble those of his father, Tian Tian.

The panda and a twin were born, but the smaller of the pair was visibly weaker and died four days later despite constant care efforts at the zoo.

Bei Bei was named by first ladies Peng Liyuan of China and Michelle Obama on Sep.25 in Washington, D.C.

It was the name printed on the two yellow rolled scrolls the first ladies untied in front of a crowd of children. The name on Peng’s was written in Mandarin Chinese; Obama’s was its English translation. Pronounced “bay bay,” the name means “precious treasure.”

First lady Michelle Obama and China’s first lady Peng Liyuan, reveal the name of the panda born at the Smithsonian’s National Zoo in Washington on Aug. 22 to Mei Xiang, during a visit to the zoo in Washington, Friday, Sept. 25, 2015. The name is Bei Bei, which means “precious treasure.” It was chosen by both the Chinese and American first ladies. (AP Photo/Manuel Balce Ceneta)

First lady Michelle Obama and China’s first lady Peng Liyuan during a visit to the zoo in Washington, Friday, Sept. 25, 2015. (AP Photo/Manuel Balce Ceneta)

Story compiled with information from The Associated Press and China Daily.