In the wild, the female giant pandas will be first in heat at the age of 6.5, and they won't mate and give birth to babies until they are 7.5 years old. The ones bred in captivity will be premature, they can begin to "have a love affair" at the age of 3.5 , and "get married" and give birth to baby pandas at the age of 4.5. The male pandas can mate at the age of 7 to 8 years old.(More...)