Did you know?
Some insects look just like sticks or leaves. Hungry animals may not even see them! This is called camouflage.
An owl cannot roll its eyes around. So it turns its whole head to look!
Each of your eyes has a tiny blind spot. Your brain fills in the gap, so you never notice!
Try this: Find Your Blind Spot
On a card, draw an X on the left. Draw a dot on the right, about a hand away. Hold the card at arm's length. Close your left eye. Stare at the X with your right eye. Slowly bring the card closer. Keep looking at the X.
Show answer
at one point, the dot disappears!
Go further: The Ghost of the Mountains
The snow leopard lives high up in the Himalayas. Its grey, spotty fur matches the rocks and snow. It is so hard to spot! People call it the 'ghost of the mountains'. Scientists hide special cameras on the mountains. The cameras click a photo when a snow leopard walks by!