l like watching birds.
1)l choose (改为chose) this hoobby years ago 因为years ago是过去时
2)because l like birds and enjoy being close （being close 改为closing,被动 改为 主动）to the nature.
3)Bird watching is a good hobby so （so 改为because）it isnt very expensive.
As a beginner ,all you need is curiosity and a notebook.
4)When you become curious about it,you may want to buy books about birds and a better(改为good) telescope.
5)Not(改为no) special skills are needed,
6)but it helps if l(改为you) join (join in)a bird watching club.
7)They can teach you when and where to watch birds and what (改为how)to watch them.
8)You will also be taught about (去掉about ,teach sb.sth.)geography and the weather.
9)If you want to become a bird watcher,
10)I strong (strongly)suggest you try to find (seek 或者look for或者join in )a bird watching club,and they will help you get start.GOOD LUCK!