How Do Honey Bees Choose Their Nesting Site?

If there is one thing that honey bees are possessive about, it’s their home. Just standing near a honeycomb could earn you 2-3 stings, courtesy of the bees. 

However, each year, tens of millions of bees must find a new location to build a new home. While the sight of swarming bees can be pretty scary for some people, it is a very natural and wonderful part of the life cycle of honey bees.

When a honeybee hive becomes overcrowded, the hive generally splits in two and one group must find a new site. The mother queen and approximately half the worker bees leave the parental nest to establish a new colony, while a newly reared daughter queen and the remaining workers stay behind to look after the old colony. Nest-site selection by honeybee swarms is a highly distributed decision-making process that usually occurs in the spring when a colony outgrows its hive and divides itself by swarming.


Swarming of bees. (Image source:

Until they find a comfortable and spacious hollow tree to call home, the thousands of bees wait in a tree branch while a few hundred scouts explore new prospects. Each of the scout bees returns to the group and pitches an idea of how good a particular location is by performing a unique dance known as a ‘waggle’ dance. This dance has a code that indicates the site’s location. Based on the relative vigor of their dance, the bees shortlist the location and estimate which of the more strongly recommended locations should be the site of their new home.



If two nests are equally appealing, then the bees risk a deadly tiebreaker. The swarm has only one queen bee, after all, so it can’t split up, and must therefore agree on a single nest site. Bee biologist Thomas Seeley of Cornell University, along with his colleagues, conducted an experiment to determine how those particular stalemates are broken. To measure this, they set up two identical boxes on a remote island and then released a swarm of bees. The researchers then observed how they selected the site. The scouts waggled for their sites, but also took time out from their dancing to disrupt other bees from completing their performance by head-butting them and emitting high-pitched beeps.


Here, scouts locate two potential nest sites, one with a large opening and one with a more desirable small opening. Each scout bee then returns to the swarm and performs a waggle dance for her site, but the scout from the superior right tree performs more waggle dance circuits than the scout from the left tree . Three hours later, the number of bees committed to the right tree has increased sixfold, whereas support for the left tree has increased only threefold, and the majority of dances favor the right tree . After three more hours, the scouts at the right tree increase even more.

Such inhibitory signals help t0 break the deadlock and help the bees choose their home faster. As soon as one site gains even the slightest edge over the other, there will be more bees on the winning nest side to stop the other side’s waggling, thus accelerating the inequality and allowing the bees to  choose a site more quickly. Ideally, the new home should be a cavity in a tree, well above the ground, with lots of space for the whole swarm and for storing honey. Once the bees select their location, they don’t move.

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This is a brilliant example of the smooth functioning of bees. It is like a well-oiled machine. Perhaps if humans were as disciplined as honey bees, the Earth would be a utopia!

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About the Author

Ishan is a Mechanical Engineer from Mumbai University, India and is obsessed with science, food and all things football. He is a self proclaimed cyclist, runner and a professional procrastinator.

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