Orang-utans are highly intelligent apes who can recognize their own reflection. Orang-utans are highly intelligent apes who can recognize their own reflection. They can also use tools. For example, they might stick a long branch vertically into a lake to find out how deep it is, or use it to make a bridge over marshy ground before they cross. When it rains, orang-utans hold leaves over their heads to prevent them from getting wet. Dimensions 2,6 x 2,3 x 2,2 inch (W x D x H) Ages: 3+ years