Celebrate National Panda Day by Visiting These Bear-y Cute North Americans Put the brakes on your St. Patty's party planning and rush to one of these zoos to spend March 16 cooing over these ...

All 13 giant panda cubs were born at the Chengdu Research Base of Giant Panda Breeding in the past six months and made their public debut in September — when they were much smaller and less mobile.

A new round of "panda diplomacy" soon resumed. In June, a pair of pandas arrived at the San Diego Zoo, weeks after the National Zoo announced it would be getting two new bears by the end of the year.

Now 20 weeks old, the panda weighed in at 14.5 pounds (6.5 kilograms) and measured 29 inches (73 centimeters) from nose to tail during his exam Tuesday (Dec. 18), zoo officials said.