Did you know cheetahs can't roar, they meow instead?

Cheetahs are scary but can you believe the fact that these big cats cannot roar? Yes, a video that has emerged on social media will clear your doubt. Twitter user Nature And Animal, shared this video on Thursday with the caption "Hey, you. This is important. Cheetahs don't roar, they meow like housecats," and it has gone viral.
 
The clip which appears to be inside an enclosure in a sanctuary of sorts shows two cheetahs purring while facing the camera. Watch the video.