On 4th August 2010 Na Na a 7 year old Giant Panda at Bifengxia give birth to a male cub, This is Na Na's third cub, She gave birth for the first time last year to twins.
Then a few days later on 6th Aug Qi Zhen gave birth to twins at Chengdu Research Centre. Qi Zhen is a 11 year old, this pair brings her total number of cubs to 5.