A new study proves that female cheetahs sleep around and it is common for them to have cubs from multiple mates. Not only does this suck for Cheetah husbands, but it apparently endangers the species.

“Mating with more than one male poses a serious threat to females, increasing the risk of exposure to parasites and diseases,” said Dada Gottelli, ZSL’s lead scientist for the research. “Females also have to travel over large distances to find new males, making them more vulnerable to predation, so infidelity is a heavy burden.”