On July 20, 1969, Neil Armstrong became the first man in history to step on the surface of the moon. Millions of people tuned in to a broadcast of the event, and after Edwin "Buzz" Aldrin, Jr. joined Armstrong, the two spent about two and a half hours gathering lunar rocks to bring back for analysis. The success was a triumph, not just for the United States, but for mankind, the imagination and the possibilities of exploration.

Here`s top 10 unknown and interesting animal facts that are not known by many people in the world. If you familiar with the animals you might never heard this information below.

Legends of bloodsucking creatures have been present in many cultures throughout history. One vampire-like creature that has been gaining a considerable amount of notoriety is the Chupacabra.

Women and elephants never forget an injury. Or so it goes according to H.H. Munro's brief narrative, "Reginald on Besetting Sins." We'll set aside the questionable implications of the first half of that assertion for now. But regarding the elephants, the British author was onto something.

Most of us are familiar with the topic of human abuse but do you know that an animal suffers cruelty on a regular basis too. Yes, animal abuse or animal cruelty means harming an innocent animal for various purposes.

Sterilising giant tortoises and setting them free on a precious eco-site may not sound like the ideal way to restore a Galapagos island to its former glory. But it's one that seems to be working on Pinta Island, the original home of famous giant tortoise "Lonesome George".

There are some 950 species of bats. And they are quite amazing. Bats can fly to altitudes of 10,000 ft (3,000 metres) and travel up to 60 mph (100 km/h). They live up to ten years, with one documented as living to 32 years of age.

Sharks are the only animals that almost never get sick: they are immune to almost every known disease. Their body frames are not made up of bones – they are made of cartilage, the tough, fibrous tissue that shapes our noses and ears. Instead of scales shark skins have small tooth-like spikes that are so sharp that shark skin has long been used as sandpaper.

This bird with gorgeous coat was seen by Europeans the first time when Spanish conquistadors conquered another Aztec town. In spite of the fact that this bird had strange appearance for Spaniards they finally decided to try it. The conquerors cooked it on a bonfire, then tried it and they were so enthused by the unusual taste of lean, slightly hardish meat. It is no surprise that several pairs of birds were brought by Spaniards for breeding to the Peninsula.

Ever heard of a Grolar? How about a Pizzly? Actually they are the same animal; a cross between a polar bear and a brown grizzly. Two are currently being studied at Osnabruck Zoo in Germany after an accidental mating between a female brown bear and a male polar bear which were in the same enclosure.

Albinism may be a rare condition in animals but nonetheless, it is found in mammals, reptiles, birds, fish and amphibians.

US scientist’s research reveal that tropical fish that live in the swamp is able to survive for months without water. One of these fish species are mangrove rivulus (Rivulus marmoratus) that live in mangrove swamp along the American continent.

66 years ago, on the 27-th of January, 1943, the blockade of Leningrad was completely called off. And several days ago in the Russian Internet there were lots of articles about cats of blockaded Leningrad published. But what’s so special about them? That’s the very thing you’re going to find out now.

When most people think about animals, they imagine furry little cow-eyed creatures innocently plucking leaves from trees or bugs from the ground for nourishment. However, many people are shocked to learn that, just as in human life, there’s an incredible, dark and even lascivious underbelly to the animal world. If you thought you new a lot about animal behavior, the following unbelievable but true animal facts may cause your jaw to drop.

Although a cow has no upper front teeth, it grazes up to 8 hours a day, taking in about 45 kg (100 lb) of feed and the equivalent of a bath tub full of water. A healthy cow gives about 200,000 glasses of milk in her lifetime.

Fugu is the Japanese term for a fish native to the Pacific Ocean. The name comes from fuku meaning "to swell" . It is the generic term for any fish in the Tetraodontoid family; these are the 'puffer' fish, also known as blowfish or balloon fish. It is a rather unattractive fish, which has the ability to puff its body up to 300 times its usual volume and extend spikes for protection. The fish pumps air or water into the first two thirds of its stomach. The skin is able to stretch due to collagen fibres that reinforce it, also providing strength. If it is caught and eaten, it has been known to inflate after it has been swallowed, killing the predator, and then gnawing its way out of the stomach. If this doesn't work, the predator will die from the toxin.

It is a common knowledge that pet cemeteries have appeared not so long ago in the rich European countries.

Well, at first a bit of the origin of the word: in translation from Portuguese the word “piranha” means “a pirate”. Alfred Brem in his book “The life of Animals” wrote about these fish that their gluttony didn’t have limits, they could eat animals who were ten times bigger that they were, even crocodiles tried to avoid a stock of piranhas turning its back on the surface of water pretending that it was not alive… Great, isn’t it? More than enough material to add to the stereotypes about these intimidating creatures…

Scorching sun, only dry sand around – this is the places in where these ancient wonderful creatures live. How did they manage to inhabit the areas where other animals can’t dwell? What do we know about them?

This bird with gorgeous coat was seen by Europeans the first time when Spanish conquistadors conquered another Aztec town. In spite of the fact that this bird had strange appearance for Spaniards they finally decided to try it. The conquerors cooked it on a bonfire, then tried it and they were so enthused by the unusual taste of lean, slightly hardish meat. It is no surprise that several pairs of birds were brought by Spaniards for breeding to the Peninsula.