Why won the panda screw to save its species?
Not only is the female extremely picky about her mate, she only goes into heat once a year, and then only for about 72 hours. To make matters worse, males, especially the ones in captivity, are not known for their sexual prowess. Not only are their sexual organs undeveloped – about thumb-sized – but they are not always sure how to use them. He might try her ear, or wherever, until he finally figures it out or she gets irritated and walks away. Panda experts in China have tried Viagra and even panda porn videos in an attempt to encourage the reluctant creatures to mate.