But it’s not all bad news for dogs and cats! What can you see at night? Not much. But it’s very di erent for dogs and cats.
Why is it di erent? • Dogs and cats can see ultraviolet light! • Ultraviolet is a color between red and violet. • Our eyes have a special filter that blocks out ultraviolet light. • This means we can’t see very well at night. • But dogs and cats don’t have that fi lter . They can see very well indeed at night.
block ( verb ) to stop something from passing fi lter ( noun ) a device that helps remove something unwanted
Unit 6
70
Made with FlippingBook - Online magazine maker