你知道这些动物的特异功能吗？E121

1.Elephants can't jump 2.Happy dogs wag their tails to the right,sad ones to the left. 3.cows can suffer humiliation if people laugh at them. 4.hippos use their sweat as sunscreen 5.turn a shark on its back and it goes into a trance. 6.squirrels kiss to identify each other. 7.each bear cub in a litter can have a different father. 8.the common octopus has blue blood. 9.a girafe can lick inside its own ears