Night Sight At night, eyes need extra help to catch light. It’s hard for people to see well when it’s dark outside. It’s easier for animals that are active at night. Many have extra large eyes. Large eyes catch more light.


T e slender loris is one animal with great night


vision. It’s eyes are very large. It can easily see and catch insects in the dark.


This slender loris has large eyes to see at night.


20 NATIONAL GEOGRAPHIC EXPLORER


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24