Why Are We So Obsessed With Ugly Dogs?

The era of the gorgeous golden retriever is over. Today's most coveted pooches have frightful faces bred to tug at our hearts.

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Packer, senior lecturer at the University of London’s Royal Veterinary College. The malleability of the dog genome allows for enormous physical variety, she explained, meaning that breeders can push features to extremes—squashing snouts, piling on