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The Smartest Dog Breed in the World. Charming Young Dog on a Walk in the Spring. Red Merle Border Collie Sits in the Park on the Stock Photo - Image of blue,
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Dutch bred working line Border Collie. Blue merle tri color. (Long hair red merle, mother / short hair tri co… | Border collie blue merle, Border collie, Blue merle
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Australian red border collie. Smooth coat. | Short haired border collie, Border collie, Red border collie
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