The Eye-Popping Truth About These 4 Animals’ Enormous Peepers

Sight is one of the most widespread senses in the animal kingdom. In fact, eyes have independently evolved among life on Earth an estimated 40 times. Where would the world be without its colors and shades?

But, as delightful as the world appears through human eyes, it's but a shadow of the splendors seen by creatures with larger, more sophisticated visual faculties.

Let's take a look at six optically exceptional animals, from wide-eyed owls to colossal giant squids.