Four giant panda cubs were born within 14 hours at a breeding center in southwest China, a mini baby boom for the rare animals, AP quoted a state news agency reported Sunday. The births began Saturday at the Chengdu Panda Breeding Research Center when 9-year-old Qiyuan, or Magic Luck, gave birth to female twins at 5:24 p.m. and 6:16 p.m., Xinhua News Agency reported, citing center expert Yang Feifei. Eight-year-old Chenggong, or Success, gave birth to a cub at 7:51 p.m., followed by 8-year-old Zhuzhu, or Pearl, who gave birth at 6:55 a.m. Sunday, Yang said. The center currently has 71 pandas in captivity, Xinhua said.