Birds do it. Bees do it. Even tiny water fleas do it. Do what? Look at their surroundings, of course (what did you think?). This gallery shows the diversity of eyes in the animal kingdom: the unique sweeping multichromatic eyes of the mantis shrimp, the wavy pupils of cuttlefish, the minutely detailed domes of insects, bright birds’ eyes, well-camouflaged fish eyes and some beautifully-patterned eyes of frogs and lizards.