What's the biggest animal on earth?Can you tell me something

What's the biggest animal on earth?Can you tell me something about it?/ Can you describe it?
Do you know any endangered animals?What animals?Why are they in danger?

The elephant is the biggest animal on earth,Elephant is the largest animal on land today.It weights some ninety kilograms and is about one metre high when born.When it is 12 years old,it studs over three meters and does not grow any more.Elephant is usually grey in color,having a long trunk with large ivory tusks protruding from each side of its mouth.Usually moving in groups and caring for each other,Elephant is know to be a very and gentle creamre.For many years people have used the strength of these poweful animals to move trees and heavy logs.Elephant has been and is a vital tool for people to do many things that would normally be imposs-ible.Elephant is and will continue to be one of the greatest creatures man has ever come into contact with.Its size.beauty,and power willforever be useful to man.
濒危动物,那我们来谈华南虎吧.有中有英了,你看行不?
华南虎亦称“中国虎”,是中国特有的虎种,生活在中国中南部.主要生活在森林山地.多单独生活,不成群,多在夜间活动,嗅觉发达,行动敏捷,善于游泳,但不善于爬树.在中国的19个动物园中还有70只圈养的华南虎,为国家一级保护动物.华南虎的濒临灭绝,实在是一个历史大悲剧.建国初期,野生华南虎的数量还有4000多头.经过20世纪50年代和60年代持续进行的大规模捕杀,华南虎种群遭受重创,一蹶不振.野外未来的森林之王仅存不到30只.
The South-China Tiger also called china-Tiger.It’s the special kind (species) of tigers only live in China.They live in the south and middle China.They like to live alone in the forest.They are sensitive; they like to come out at night.They are good at swimming but they can’t climb trees well.There are only seventy South- China-Tiger in nineteen zoos in China now.They are the A level national animal protection.The South-China Tiger becoming endangered is a very sad story.At the beginning of the new China,we still had four thousand wild tigers.But after the large killing in 50s and 60s of the 20 century,the species had a serious hurt,we only have less than 30 wild king now.