I'm on limited bandwidth, and can't see the video, but I have read about this work (by Tautz?).

One thing that comes to mind is that there is no "interior" of a broodnest in an observation hive.  What one sees in a single frame against glass might not be what happens in the real world.

deknow

             ***********************************************
The BEE-L mailing list is powered by L-Soft's renowned
LISTSERV(R) list management software.  For more information, go to:
http://www.lsoft.com/LISTSERV-powered.html

Guidelines for posting to BEE-L can be found at:
http://honeybeeworld.com/bee-l/guidelines.htm