It probably evolved to help animals see predators move through the night.

The animals watching from above the rainbow saw this, and were worried.

The eye is an organ for sensing light so animals may see.

The animals didn't see any more human beings for days.

But at any minute the animal might turn and see them.

The animal looked up, saw me, and was off, all in a single movement.

Never saw an animal in blue with white piping, sir.

Hugh wondered where the dog was, then, looking down, saw the animal at his feet.

In the first movie, the animals go and see Simba.

The truth is, animals often see, hear, and smell us long before we have any idea they're present.