[Trigger] Help needed!

[Hambread]

Hi i am new in making warcraft maps and i am not very sure how to add "triggers" and all. Can someone please help or guide me on adding triggers? For example if i want to change a pleasant into a bear in the night, how do i do it?

 

[InfinateAnswers]

in my signature the thing below my post, go down to my tutorial for a simple trigger tutorial. It is incomplete but you can get a good jist from it.