Hua Zuiba has already had four cubs with Bing Xing
(Newser) -
The world just got a few ounces cuter. Hua Zuiba, a giant panda on loan to the Madrid Zoo from China, gave birth Monday morning to twins. Hua Zuiba and Bing Xing, the father of the twins, have four other adorable offspring, including another pair of twins, per the AP...