
Several dust devils cross a plain in this animation of a series of images acquired by NASA's Mars Rover Spirit in May, 2005. (NASA/JPL-Caltech/Cornell/USGS)
dragnet2; Thanks!
What is interesting is that there are a number of dust devils on the surface at the same time.
Here is a good example of multiple man made dust devils. (BurningMan 2016)
https://www.youtube.com/watch?v=nSJkydvQTJY