Southern medical university in china, University in Guangzhou, China

According to researchers at Queen Mary University of London, along with an international team of scientists, bumblebees don't seem to keep memories of how sweet a flower was, but instead only remember if it was sweeter than another flower.In new research published in the journal eLife, bumblebees were first trained on two flowers, learning that one flower was sweeter than a second flower. Later, they learned that a third flower was sweeter than a fourth flower. Then bumblebees were given the choice between two of the flowers they hadn't seen together before, for example, the second and third or the first and third.Over a series of experiments, bumblebees' preferences during the tests indicated that they could only retain very basic ranking memories for the flowers for very long. The bumblebees could only remember that a flower had been better or worse during the training phase. Bees couldn't seem to remember for more than a few minutes how sweet or rewarding the flowers were on their own or even how much sweeter they were compared to other flowers.Previous research shows that we humans actually keep memories for both absolute information (e.g. how sweet something is) and comparisons [Palminteri and Lebreton, 2021]. Starlings, a bird native to Europe, and the only other animal for which this question has been examined, similarly use a combination of absolute and comparative information when remembering options [Pompilio and Kacelnik, 2010].Ms Yonghe Zhou, the co-lead author of the paper and currently a PhD student at Queen Mary University of London, says: "Our results reveal an intriguing divergent mechanism for how bumblebees retain and use information about options, compared to humans and birds."Prof Fei Peng, a senior author currently at Southern Medical University, China, states "It may be that the different strategies used by bumblebees and humans may have evolved because of their different diets. Maybe because bumblebees evolved to mostly only eat flower nectar, they never needed to remember the details and could survive and thrive simply using simple comparisons."Ms Yonghe adds: "Despite what may seem to be a poor memory strategy, bumblebees do very well in finding the most profitable flowers. It's fascinating to consider how different animals, in their own ecological niche, can be similarly successful using such different strategies."( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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According to researchers at Queen Mary University of London, along with an international team of scientists, bumblebees don't seem to keep memories of how sweet a flower was, but instead only remember if it was sweeter than another flower. ...