New studies reveal bees may possess a hidden magnetic sense for navigation and survival.
Scientists have discovered that nearly 90% of tested bee species may sense Earth’s magnetic field. New studies reveal honey bees use magnetic signals through iron-rich cells in their abdomen for navigation and communication.
Scientists Discover Widespread Magnetism in Bees
Researchers from the University of Tennessee studied more than 120 bee species over six years and found that nearly 90% showed magnetic properties.
Earlier, only five bee species were believed to sense magnetic fields, but the new findings suggest magnetoreception may be widespread among bees and could play a role in navigation, hive orientation, and communication(1✔ ✔Trusted Source
Bee magnetism appears far more widespread than expected across 120 species
Go to source).
How Honey Bees Detect Magnetic Fields
In another study, scientists trained honey bees to associate magnetic stimulation with a sugar reward using behavioral experiments.
When the ventral nerve cord connecting the abdomen to the brain was cut, bees lost their ability to respond to magnetic signals while still reacting normally to smell-based tests, suggesting that magnetic sensing signals originate in the abdomen(2✔ ✔Trusted Source
Magnetic Sensing through the Abdomen of the Honey bee
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Iron Granules May Act Like Tiny Compasses
Researchers believe microscopic iron-containing granules inside the bee abdomen function like natural magnetic sensors.
These particles may shift in response to Earth’s magnetic field and trigger nerve signals that help bees orient themselves. Scientists also recorded direct neural responses to magnetic stimulation, providing rare electrophysiological evidence of magnetoreception in insects(2✔ ✔Trusted Source
Magnetic Sensing through the Abdomen of the Honey bee
Go to source).
Many Questions Still Remain
Although researchers now have strong evidence that bees can detect magnetic fields, scientists still do not fully understand exactly how bees use this ability in nature. Researchers are continuing to investigate whether magnetism helps with short-range navigation, communication, or other survival behaviors inside and outside the hive(1✔ ✔Trusted Source
Bee magnetism appears far more widespread than expected across 120 species
Go to source
).
Conclusion
The discovery that bees may possess a hidden magnetic sense highlights how much remains unknown about these important pollinators. As scientists continue exploring bee magnetism, the findings could unlock new insights into insect behavior, navigation, and the complex ways animals interact with Earth’s magnetic field.
References:
- Bee magnetism appears far more widespread than expected across 120 species – (https://phys.org/news/2026-05-bee-magnetism-widespread-species.html)
- Magnetic Sensing through the Abdomen of the Honey bee – (https://pmc.ncbi.nlm.nih.gov/articles/PMC4804335/)
Source-Medindia