Adding birds to a map?

[superjuanchango]

I heard some rumors that this is harder than it should be. A map being worked on for WOL wanted to have birds fly out of a tower on a trigger. Any guides on how to make this less of a hassle? Thanks in advance.

 

[Ames]

http://forum.interlopers.net/viewtopic.php?t=2508

Is this helpful?

 

[superjuanchango]

Thank you very much.