Bees may be able to tell if water contains sugar just by looking at it

A bumblebee taking a sip from one of two soaked filters affixed to a toothpick

Melina Kienitz

Bumblebees can identify sugary liquids before they even take a sip. This ability to spot a sweet reward at a distance could mean that some of the approaches we have used to assess bee intelligence need to be re-evaluated.

“Much of what we know about insect cognition comes from work on bees,” says Tomer Czaczkes at the University of Regensburg in Germany. In many such studies, bees choose between artificial “flowers” after being trained to …

Related Posts