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The Guardian - UK
The Guardian - UK
Lifestyle
Nicola Davis Science correspondent

Humans may have influenced evolution of dogs’ eye colour, researchers say

A Siberian husky's eyes
The differently coloured eyes of a Siberian husky dog. Photograph: Oli Scarff/AFP/Getty Images

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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