Choose from Shapes Cartoon stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection Essentials ...

Few people have spent time gazing into a sheep’s eyes, but if you have, you may have noticed something very strange about their pupils. Instead of being round ... which is also called the “the cradle ...

Few people have spent time gazing into a sheep’s eyes, but if you have, you may have noticed something very strange about their pupils ... It is a crescent-shaped area of land in Western ...

Choose from Octagon Shape Cartoons stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...

If you look directly into the eyes of a sheep, you will notice that instead of an elastic round pupil like in humans, they have a rectangular black spot in the middle of their eyes. Why is that?

Rachael is a writer and digital content producer at IFLScience with a Zoology degree from the University of Southampton, UK, and a nose for novelty animal stories.