They Look Adorable Doing It - Tumblr Posts

Random fact: Although jumping spiders can't move their eyes, they can move their retinas to change their field of view. It's as if they're looking through a window.

If the spider is clear enough, you can even see the retinas moving through the cephalothorax:

Image sources: Melvyn Yeo, M.F. Land, and wmaddisn