Basics
Animals can see light outside of the visible spectrum (that humans can see).
They can see ultraviolet and infrared light, as well as polarization.
The range of colors an animal can see depends on the color-sensitive pigments in their eyes and how their brain processes them.
Gecko's Vision
Dog Vision
Snail Vision
Jumping spider Vision
Giant Clam
Only Links
what rodes do they have for them to see outside the electromagnetic spectrum