Researchers find bees rely on visual landmarks and repeat routes with near-identical accuracy across trips.
By yourNEWS Media Newsroom
Scientists have documented highly precise navigation behavior in honeybees, finding that individual insects repeatedly follow distinct flight paths guided by visual landmarks rather than relying solely on previously understood communication methods.
A research team at the University of Freiburg, led by neurobiologist Prof. Dr. Andrew D. Straw, tracked honeybees moving between their hive and a food source using a drone-based monitoring system. The study followed bees across a distance of approximately 120 meters in an agricultural landscape.
Using a technique known as Fast Lock-On tracking, researchers attached small reflective markers to individual bees. A drone-mounted computer system then detected and recorded each insect’s position in real time, allowing scientists to reconstruct detailed three-dimensional flight paths.
According to findings reported here, each bee demonstrated a consistent and individualized route that was repeated with minimal variation across multiple trips. Researchers analyzed 255 separate flight paths and observed that many bees deviated from prior routes by only a few centimeters.
“Our tracking system makes it possible for the first time to record high-resolution 3D flight paths of honey bees in natural landscapes,” Straw said. “Our recordings show that each bee has its own preferred route and flies it very precisely. You could almost say that each bee has its own personality.”
The study area included varied terrain such as hedgerows, a cornfield, and a tree that obstructed a direct path between hive and food source. Researchers found that navigation accuracy was highest near prominent visual features, such as the tree, while greater variation occurred over visually uniform areas like the cornfield.
“We found a high degree of precision in the flight paths. Individual bees repeated their individual flight paths nearly exactly on several flights,” Straw said. “They often fly just a few centimeters away from their previous paths.”
The findings suggest that visual landmarks play a central role in guiding bee navigation, with insects relying on environmental cues to maintain consistent routes. “Our results suggest that visual landmarks aid the bees’ navigation and increase the precision of their flight paths,” Straw explained.
The research also offers new insight into the waggle dance, a behavior bees use to communicate the direction of food sources. While the waggle dance has long been understood as a key navigational tool, scientists noted that its directional accuracy can vary significantly.
“It was previously known that the directional information in the waggle dance is not entirely accurate,” Straw said, noting that for distances of around 100 meters, directional deviations can reach approximately 30 degrees.
“Our research has shown that individual bees navigate much more accurately to destinations they are familiar with,” he added. “Even where their flight paths vary most, they deviate from their individual route by only a few degrees.”
The study concludes that the variability in waggle dance communication does not reflect limitations in bees’ navigational ability, but rather differences in how information is conveyed among individuals.
The research, published in Current Biology, provides new evidence that honeybees possess advanced spatial awareness and rely on learned environmental cues to guide their movements with a high degree of precision.