It's extremely rare for pandas to mate in captivity

By Alex Heigl
Updated March 24, 2016 06:54 PM

Warning: Video of pandas mating

Yang Yang and Long Hui are really into each other right now.

The pair of amorous pandas, who call Schonbrunn Zoo in Vienna, Austria, their home, are shooting for their fourth kid after defying expectations by becoming the only pandas in Europe to mate in captivity. They’ve already sired three cubs and are apparently going for a fourth.

Zookeepers noticed a change in the normally solitary animals’ demeanor recently, and allowed the pair to get together, at which point things quickly turned into a free-for-all — the pair have been frequently spotted mating in view of the public.

Zookeepers now have a wait of about two months to see if the couple’s efforts bear fruit. (Get it?)

Pandas have a lot going against them in terms of the struggle to mate. They have the digestive system of a carnivore, but have to subsist entirely on bamboo, which doesn’t provide much energy for rolls in the hay. (Panda lovemaking sessions last between 30 seconds to five minutes.) They also have a short mating season, with females typically only in the mood for two or three days a year during spring.