Washington 's National Zoo will lose panda in 2010 . Tai Shan was born to pandas who were also on loan from China . Comment: His father , 11-year-old Tian Tian , and his mother , 10-year-old Mei Xiang , are due in China in December 2010 , according to the Xinhua news agency . China nearing goal of having 300 pandas in captivity .
Washington 's National Zoo will lose panda in 2010 . Tai Shan was born to pandas who were also on loan from China . Comment: China nearing goal of having 300 pandas in captivity .