Humans may have influenced evolution of dogs’ eye colour, researchers say
by Nicola Davis Science correspondent from Science | The Guardian on (#6H91N)
Dark eyes are more common in domesticated dogs, possibly because we consider this trait more friendly
Human preferences for a friendly face may have steered the evolution of canine eye colour, researchers have suggested.
Ever since canines were domesticated, some time between 15,000 and 50,000 years ago, humans have selected - whether consciously or not - particular traits in their dogs.
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