There are presently over a million animal species upon planet earth. The reptiles have 6,000 species crawling in their habitats; and more are discovered each year. There are over 70,000 types of spiders spinning their webs in the world. Well, there are 3,000 kinds of lice. Yes, it is the lice we are prone to get due to lack of hair hygiene. This is a mind-boggling fact: for each of the 600 million people there is about 200 million insects crawling, flying... Mammals are the only creatures that have flaps around their ears. The world has approximately one billion cattle, of which about 200 million belong to India. The life of a housefly is only 14 days. A dog was the first animal to up in space. A sheep, a duck and a rooster were the first animals to fly in a hot air balloon. The oldest breed of a dog known to mankind is the 'Saluki.' An ostrich is the fastest bird and can run up to 70 km/h. Never get a camel angry, for he or she will spit at you. There are crabs that are the size of a pea. They are known as 'Pea Crabs.' The lifespan of 75 percent of wild birds is 6 months. Denmark has twice as many pigs as there are people. You do not need cotton buds to clean a giraffe ears. It can do so with its own 50cm-tongue. Want to know the appetite of a South American Giant Anteater? Well it eats over 30,000 ants, per day. The sailfish can swim at the speed of 109 km/h, making it the fastest swimmer. The Sea Horse is the slowest fish, drifting at approximately 0.016 km/h. The small car on the road is probably the size of the heart of a blue whale. The length of an elephant is the same as the tongue of a blue whale.
The crocodile's tongue is unmovable, as it is attached to the roof of its mouth.