Honey bees follow precise personal flight paths, study finds
7 reported
Researchers at the University of Freiburg have discovered that individual honey bees follow their own highly consistent flight routes and repeat them with remarkable accuracy, relying on landmarks in the landscape to stay on course. The study, led by neurobiologist and behavioral biologist Prof. Dr. Andrew Straw, used a drone-based tracking system to monitor bees traveling between their hive and a food source about 120 meters away in an agricultural setting. The team attached tiny reflective markers to each bee and used a technique called Fast Lock-On (FLO) Tracking to record high-resolution 3D flight paths. Analysis of 255 flight paths collected near Kaiserstuhl, Germany, showed that each bee follows its own preferred route with exceptional precision, often flying just centimeters from previous paths. The most consistent flight behavior occurred near prominent features like a tree, while greater variation appeared above a cornfield with fewer visual cues. The findings suggest that the inaccuracy of the waggle dance, which can deviate by around 30 degrees for food sources about 100 meters away, is not due to poor navigation skills but rather that individual bees navigate much more accurately to familiar destinations.
What’s reported
The study was led by Prof. Dr. Andrew Straw at the University of Freiburg.
Researchers used a drone with Fast Lock-On (FLO) Tracking and reflective markers on bees.
255 flight paths were analyzed near Kaiserstuhl, Germany.
Bees repeated individual flight paths nearly exactly, often just centimeters from previous routes.
Most consistent flight behavior occurred near a tree; greatest variation was above a cornfield.
The waggle dance directional information can deviate by around 30 degrees for food sources about 100 meters away.
The study concludes that the waggle dance's inaccuracy is not due to bees' limited navigational abilities.
Misconceptions
The source article addresses the misconception that the waggle dance's inaccuracy reflects poor navigation skills, stating instead that individual bees navigate accurately to familiar destinations.
Key figures
Prof. Dr. Andrew Straw, neurobiologist and behavioral biologist at the University of Freiburg
Rachael Stentiford, Michael J.M. Harrap, Victor V. Titov, Stephan Lochner, Andrew D. Straw (authors of the journal reference)
Sources: ScienceDaily
