1-month-old panda cub pictured with mom

A one-month-old giant panda cub is pictured with its mother "Guo Guo" at the Shanghai base of the China Conservation and Research Center for the Giant Panda in Shanghai, China, 7 August 2016. 

The panda, the first born at the base, celebrated its one-month birthday on Aug. 9. Weighing 15.1 grams and measuring 14.3 centimeters long at birth, it has grown to 1,500 grams and 38 centimeters.

(Imaginechina via AP Images)