plus the following article I read online recently. I quote...
Breakthroughs in captive panda breeding herald new hopes for wild populations. Researchers employed methods ranging from sex education videos to Viagra in order to stimulate natural behaviour.
Rare interactions between aroused pairs often ended in disappointment, however. Male pandas have proportionately short penises meaning pairs must adopt a very exact position in order to mate. During their observations, researchers found that pandas demonstrated poor knowledge of this position.Most techniques failed, and many encounters between pandas turned aggressive and violent.Scientists therefore had to rely upon artificial insemination, but their efforts were again subject to the pandas' peculiar reproductive cycle.Panda pregnancies can last anything from 11 weeks to 11 months and can remain undetected until shortly before birth.
