How do you make this bird trap?

Question

http://www.youtube.com/watch?v=kp2mvJ1-OQs a vid will be goood first to answer with how or a vid wll get best answer

Answer 1

here is a link that will show you how to make several different snare type traps. just down size them to make them work for birds.

Answer 2

its a simple twitch up snare it looks like.