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Common fish species has 'human' ability to learn
Date:6/17/2009

e team's further studies have found that the likelihood of copying the behaviour of others increased with the rate at which the others fed.

Dr Kendal said: "Lots of animals observe more experienced peers and that way gain foraging skills, develop food preferences, and learn how to evade predators. But it is not always a recipe for success to simply copy someone. Animals are often better off being selective about when and who they copy.

"These fish are obviously not at all closely related to humans, yet they have this human ability to only copy when the pay off is better than their own. You might expect this ability in animals who are closely related to humans. In the case of the nine-spined stickleback, they have most likely adapted to their local ecology."

Co-author Professor Kevin Laland from the School of Biology at St Andrews University added: "Nine-spined sticklebacks may be the geniuses of the fish world. It's remarkable that a form of learning found to be optimal in humans is exactly what these fish do."


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Contact: Alex Thomas
media.relations@durham.ac.uk
44-191-334-6075
Durham University
Source:Eurekalert

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