Last year, right about this time, Craig Savino, the American Kennel Club archivist, got an email from someone exploring the history of the Clumber Spaniel, a hunting dog developed in the U.K. and beloved of the monarchs Edward VII and George V.

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It is as if it becomes some kind of pet animal, a faithful hunting dog that reliably goes fetch the dinner.

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It was developed as a hunting and retrieving dog in Germany with characteristics generally including intelligence, bravery and a good disposition.

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The principle came to him looking at burrs picked up by his dog on a hunting trip.

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