The female pigeon cannot lay eggs if she is alone. In order for her ovaries to function, she must be able to see another pigeon.
65
Termites work 24 hours per day and they do not sleep.
57
There are more insects in one square mile of rural land than there are human beings in the world.
55
The world's smallest mammal is the bumblebee bat of Thailand, weighing less than a penny.
60
The venom of a small scorpion is much more toxic than the venom of a large scorpion.
60
There are no penguins in the North Pole.
56
