Tag is a 12 week old , male Border Collie .. Widely considered the most intelligent dog breed in the world, they require physical and mental stimulation and thrive when given complex jobs to perform. Top Facts to Know: Unmatched Intelligence: They are unmatched in problem-solving and can learn and retain hundreds of words, commands, and tasks. No Couch potatoes need apply for this happy guy Pa Kennel License # 07735