Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Ducks will only lay eggs early in the morning.
36
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151
Female kangaroos have three vaginas.
2
Beavers can swim half a mile underwater on one gulp of air.
31