Sun Compass on Demand
11/24/2021![A tethered flying monarch butterfly orients in the flight simulator with respect to a green light spot. While flying, microelectrodes record the butterflies’ brain activity.](/fileadmin/_processed_/7/b/csm_1124beetz-www_0116cfac81.jpg)
Monarch butterflies employ a sun compass on their long-distance migration. Surprisingly, a new study shows that the compass is only established during flight.
moreMonarch butterflies employ a sun compass on their long-distance migration. Surprisingly, a new study shows that the compass is only established during flight.
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