I think my LMB are attacking my BG when I'm feeding the BG. I linked a video of it is that what you think it is?

It happens at about 6 and 15 seconds (it happens through out the video) into the video you see what the BG are doing.

http://www.youtube.com/watch?v=1zS_bNGaPMs


One acre pond built in 2007.

Stocked:
Mar 2010 500 BG and 250 Shellcrackers
Mar 2011 25 LMB and one bag of FHM