Siberia tiger facts

-Male Siberian tiger can weigh up to 320 kilograms (850 pounds), and they are the biggest cats in the world.
-They are length from 3 to 3.5 meters (10 to 12 feet).
-Their height measures 3 to 3½ feet till the shoulders when in a standing position.
-Siberian tiger can jump as far as 23 feet.
-Siberian tigers need 20 pounds of meat for their daily diet.
-On an average, only 1 out of their 10 hunting attempts are successful.
-As per records, a tiger is known to have traveled more than 600 miles in search of food.
-A full grown tiger can eat even 200 pounds of meat in a single day, and as much as 100 pounds at one sitting.
-They need to come within 30 to 80 feet distance of their prey in order to launch an attack.
-Some Siberian tigers live on areas being greater than 4000 square miles.
-Siberian tigers that live in the wild survive for as long as 15 years, but those in captivity have a smaller life span.
-In case of a fight, they warn the intruders beforehand by rattling their tail.
-According to the National Geographic Website, Siberian Tigers are currently endangered, having a total of 300 to 400 individuals that form the stable, wild population.
- During winter months, the fur can measure 21 inches long and 3,000 hairs per centimeter.
-A further unconfirmed report tells of a male tiger shot in the Sikhote-Alin Mountains in 1950 weighing 384.8 kg (846.6 lb) and measuring 3.48 m (11.5 ft).
^-After a gestation period of three to three and a half months, three or four blind cubs are vorn is a sheltered den. they are nursed by their mother, who rarely leaves them. At about two weeks old their eyes open and their first teeth begin to grow.
-The cubs are less than a year old when they start to hunt for themselves. At two years old they can kill large prey, but they will not leave their mother until they are three to five years old.
-Depending on the type of tooth, the size can vary from > 1 inch to 3 inches (canine teeth are typically the longest).
-Like all other animals, a tiger's whiskers are senstive and are used in sensory perseption. A tiger's whiskers average around 6 inches (15 cm), and are around 1/8 inches (3.0 mm) thick at the base. Male whiskers are typically longer than female's.

Biggest shark ever

The biggest shark ever lived was "Megalodon". Lived up to 1.5 million years ago. These sharks were the real monsters, compared with them, great white sharks are as aquarium fish.
It is assumed that they were up to 25 meters long (82 ft), and were weight up to 50 tons. This is of course assessment, because the only bone in the shark body are teeth. This tooth has a slant height of 7.37 inch (18.73 cm) and a root width of 5.5 inch (13.97 cm). Jaws of this sharks were so large that could fit a grown man.
Scientists still lead the debate on these sharks. Some believe that is still hiding in the dark depths of the ocean, others believe that they extinct, and third, that they are actually great white sharks that have adapted the new situation.
To show you how big these sharks rely was, on picture you can see fossilized tooth of this shark.

Fish that can look beyond the water

Sharks are the only fish that can roll head above water. They do that, so they can better observe their surroundings and detect prey. Some species have even developed eyes so they can see perfectly well, out of water.

Perfect hunters

African wild dogs are the most efficient hunters in the world,they are perfect hunters. The percentage of success is 85 percent, and all thanks to their body built. They were built so that the body is quite light weight and long legs, that enabling them to maintain the same speed for a long time. Unlike cats, which hunt on the strength and speed, wild dogs chase their victim until tired. They are able to pursue their victim, until simply fall from tired. This is why, they are the most efficient hunters in the world.

Aquatic animals have no neck

Perhaps you did not know and neither noticed, that none of aquatic animals has no neck, but directly from the head goes the body, except mammals, in which the neck is so small, that will probably disappear in the future (this applies only to animals that never come to land).
This is because aquatic animals don't need neck, because it is much simpler and more efficient to turn the whole body. Unlike terrestrial animals, aquatic animals have a much more flexible skeleton or have no skeleton, which makes them much maneuverable and faster in water.

Difference between aquatic mammals and fish

One of the main differences between fish and aquatic mammals is: fish have vertical tail, while mammals have horizontal tail. Both tail are very efficient, fish tail is a good speed and maneuvering, while the tail of mammals gives more power, which allowed mammals to grow larger than fish, such as the whales, the largest animals that ever lived.

Worlds biggest cat

Worlds biggest cat that ever lived were called "smilodon". These were the saber teeth cats that are dead out with last ice age, 10,000 years ago. They were weight between 250 and 360 kg (550-790 lb). It was 1.2 m (47 in) tall, 2.1 m (83 in) long, Its upper canines reached 28 cm (11 in) and protruded up to 17 cm (6.7 in) out of the lower jaw.

Today, the largest cats are "Siberian tigers". Males can weight up to 320 kg (700 lb), The male with largely assured references was 350 cm (138 in) "over curves" (3,30 m/130 in. between pegs) in total length. The largest tiger ever was male shot in the Sikhote-Alin Mountains in 1950 weighing 384.8 kg (846.6 lb) and measuring 3.48 m (11.5 ft). Unfortunately, this cat is on the verge of extinction, excessive catching, for fur and for traditional Chinese medicine, led to the fact that today only a few thousand left in the wild, and western parts of Siberia was completely extinguished.

Today, the largest single cat is a "Liger", it means that his father was a lion and mother was a tiger. It weight almost 450 kg (900 lb), and is 12 feet long. It can eat up to 50 kg (100 lb) in one meal, since this kind occurred in a zoo or a reserve only, feed them every day, and eat only 10 kg (20 lb) per day. Valley of the Kings animal sanctuary in Wisconsin had a male liger named Nook who weighed around 550 kg (1.213 lb), and died in 2007 at 21 years old, it was the largest cat ever confirmed.

It is interesting that if father is a lion and mother is a tiger, then the offspring are called "Liger", and offspring's are giants as these are above. But if father is tiger and mother lioness, then the offspring are called "Tal", and they are dwarfs.

Perfect human proportions

- Did you know that your foot length approximately equal to the length of your forearm.

- King Henry introduced first introduced yard as longitudinally unit. Although the yard has three feet, he decided that yard is, the distance from the top of his nose to his thumb when his hand is stretched out.

Bamboo facts

- Perhaps you did not know, but bamboo is a type of grass.
- Bamboo is the fastest growing plant in the world. Some species have actually been measured to grow over 4 feet in 24 hours.
- Bamboo fruits born every 48 years, leading to the invasion of rats and big hunger, especially in India.
- When a bamboo tree in a short time keep in fire become stronger than steel. There fore bamboo is most used material in Asia.
- Bamboo is one of the plants that are spreading fastest, for only four years can get 10 000 trees.

First search engine and web-page

First search engine was called "Archie" appeared in 1990, a year later appeared the first web page.

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