The giant panda bear sex life in their natural habitat, from their courtship ritual to mating, it has been documented for the first time in China’s Qinling Mountains by a team of filmmakers, rangers and scientists, according to Gizmodo.

“During the mating season, their territory overlaps greatly and they travel dozens of kilometers a day in search of the right partner. Their calls would echo across the mountain, “explains filmmaker Jacky Poon of the mating of these animals.