It could be another reason they rarely mate.
https://metro.co.uk/2023/09/18/pandas-in-zoos-suffer-jet-lag-making-their-low-libido-worse-19513267/?utm_source=dlvr.it&utm_medium=blogger
https://metro.co.uk/2023/09/18/pandas-in-zoos-suffer-jet-lag-making-their-low-libido-worse-19513267/?utm_source=dlvr.it&utm_medium=blogger