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Bumblebee Decisions: signal detection theory and decision-making

Pollinators and flowers are sometimes portrayed as "happy friends" -- the flowers give pollinators nectar and pollen, and pollinators fertilize the flowers. But nothing in nature is as simple as that! Many flowers do not offer nectar... but they may resemble other flowers that do.

Visiting nectarless flowers is a waste of time and energy for a bumblebee; but in trying to reject the nectarless flowers, the bee may miss some flowers that do have nectar.

What's a bumblebee to do?

Image: photo of a bumblebee hovering next to a flower

Bumblebee: Bombus impatiens Copyright © Cedar Creek Natural History Area (University of Minnesota). All rights reserved. Photo courtesy of John Haarstad, Cedar Creek.

 

 

In this module you will learn how signal detection theory can be used to explain decision-making in animals, using bumblebees as examples. Later in the module you'll discover how actual bumblebee research is advancing our knowledge of animal cognition.

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