Revisiting the famous farm foxes: A psychological perspective.

Abstract excerpt

Five decades ago, Dmitry Belyaev, Lyudmila Trut, and colleagues began a now-famous experiment, selectively breeding foxes based on one criterion: perceived tame behavior. Over generations, the fox population changed in behavior (as predicted) but, intriguingly, also changed markedly in appearance-for example, many had wider mouths, curlier tails, different fur coloring, and floppy ears. These researchers...

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