Luckly Bird House owner in Mentakab

Here the video taken during my trip in Mentakab. Found a lot of BH there and some of them with lot of bird fliying near the entrance hole. Is that indicate a successful bird house?


http://www.youtube.com/watch?v=-TkgQApKcG4

http://www.youtube.com/watch?v=zXicOVMpZpw