The Border Collie is a herding dog breed developed in the Anglo-Scottish border region for herding livestock, especially sheep. It is the most widespread of the collie breeds.
Typically extremely energetic, acrobatic, and athletic, they frequently compete with great success in dog sports, in addition to their success in sheepdog trials, and are often cited as the most intelligent of all dogs. In January 2011, a Border Collie was reported to have learned 1,022 words, and acts consequently to human citation of those words.
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