WASHINGTON -- A nearly 7-week-old giant panda cub at the Smithsonian's National Zoo has finally opened his eyes.
Bei Bei now weighs 5 pounds and, from head to tail, is just shy of 14 inches long. He is also starting to develop teeth and ear canals.
The cub has distinct black-and-white markings on his back that closely resemble those of his father, Tian Tian.
The cub is the survivor of a set of twins. The other cub died four days after it was born.
Zoo officials say the cub is sleeping through much of the day, which is normal.
Panda cub Bei Bei at National Zoo opens eyes at just under 7 weeks old
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