Four giant panda cubs were born within 14 hours at a breeding center in southwest China, a mini baby boom for the rare animals, 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.