Because they think it works.
White tigers use their claws and teeth to protect them selves
Tigers do migrate as they follow their prey. Chinese zoologists have discovered the routes that wild Siberian tigers use to migrate between border areas of China and Russia.
Mainly, poachers kill tigers to sell the bones in China since the bones are thought by the Chinese to have medicinal properties.
Surviving to reproduce itself. To make more white tigers.
You will find that tigers are feared they have been known to attack when provoked and if you return to the town with a tigers body you are known as a hero. Sad really they are beautiful animals. Also they are hunted for their skin and for medical use.
natural medicines, rare knic-knaks
Tigers are important in many cultures. In the Chinese culture they are admired for their strength and beauty. In the past they were also prized for their use in making medicines.
People kill tigers. They sell their body parts for money at the blackmarket. Some Chinese use tiger parts to put it in their medicine, in which they think is very powerful.
The only thing I can think of that eats tigers are Asian people, specifically the Chinese, who use them in medicines and make wine out of their bones because they think it makes a person stronger and makes men more virile :}
Chinese sometimes use plants and animal parts
Lions and tigers use their claws, teeth, and sometimes paws for defence. They use paws to sometimes suffocate.
White tigers use their claws and teeth to protect them selves
They use their legs and muscles in their legs.
Tigers do migrate as they follow their prey. Chinese zoologists have discovered the routes that wild Siberian tigers use to migrate between border areas of China and Russia.
Of course, humans are the cause of the extinction of tigers. Humans hunt tigers for different reasons. Poaching is the main problem. Humans poach for the use of tiger fur and the parts of their body. They can sell the parts for money. In fact, Chinese people use their body parts for medicine. They believe that each different body part has its own use for the medicine and can cure different diseases. It is illegal to hunt animals now but some people out their still break the law.
Mainly, poachers kill tigers to sell the bones in China since the bones are thought by the Chinese to have medicinal properties.
humans are the worst but tigers have enemies like elephants.. so elephants are the largest/biggest. Elephants are not tiger enemies, in fact, elephants are terrified of them, and tigers have been known to kill them. But, tigers usually do not attack such big and powerful animals as elephants, because as the tiger has been known to kill elephants, the same is true of elephants killing tigers.