Condoms were originally made of animal intestines or linen.
347
The Basenji dog is the only dog that is not able to bark.
4
Bats sleep 18-20 hours per day.
5
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
There are approximately three chickens for every human on Earth.
13
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5