Just as travelers figure out which restaurant is good by the numbers of cars in the parking lot, bumblebees decide which flowers to visit by seeing which ones already have bee visitors.
Bumblebees that watched other bees forage on green artificial flowers were twice as likely to choose the green flowers over orange flowers when it was their turn to forage, according to new research.
The finding is the first demonstration that insects can learn by just watching the behavior of other insects.
Bumblebee see, bumblebee do (University of Arizona press release)
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