My appologizes if this isn't the area to post this but I thought some people might be interested if this webinar that is being presented by Conell University on May 16th.
How Honeybees Choose a Forest Home. In the late spring and early summer, when a honeybee colony becomes overcrowded in its hive, it will cast a swarm. When this happens, about a third of the worker bees stay at home and rear a new queen, thereby perpetuating the mother colony, while the other two-thirds of the workforce – a crowd of some ten thousand – rushes off with the old queen to set up a daughter colony. The migrating bees travel only about 100 feet before coalescing into a beardlike cluster hanging from a tree branch. Here they will remain bivouacked for a few days. During this time, several hundred of its oldest bees will spring into action as nest-site scouts, explore about 30 square miles of the surrounding landscape for potential nesting cavities in trees and buildings, locate a dozen or more possibilities, and democratically select a favorite for their new dwelling place. We will see how can a bunch of tiny-brained bees, hanging from a tree branch, can make such a complex decision and can make it well. Presented by Dr. Tom Seeley, Cornell University Department of Neurobiology and Behavior.
http://www2.dnr.cornell.edu/ext/forestconnect/web.htm]Webinar