The cub, which has yet to be named, was born to 15-year-old panda Mei Xiang in the U.S. national zoo and tests showed the father is 16-year-old Tian Tian of the same zoo.

the cub was conceived through artificial insemination on March 30 with a mixture of fresh and frozen semen collected from Tian Tian and from Gao Gao