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Which dog breeds are the most intelligent? And just what makes them so smart? We took the list of the top ten brainiest breeds and asked dog guru Billy Rafferty, author of "Happy Dog: Caring for Your Dog's Body, Mind and Spirit" to give his perspective. "While most smart dogs have certain traits in common -- loyalty, vigilance, perceptiveness, a caring nature -- "there are many different kinds of intelligence," says Rafferty. "Canine intelligence is more nuanced than people think." In the photo gallery below, Rafferty explains the pros and cons of owning these clever (but sometimes high maintenance) canines. And to learn more about how the original list was created, check out "The ...

Many of us see our pets as our children, so it only makes sense that pet moms should celebrate Mother's Day right alongside women with human kids, right? Paige the border collie (remember her?) is working hard to make this Mother's Day a memorable one for her owner with flowers and even breakfast in bed. Check it out in the video below! And to think, some puppy parents out there will just be happy to wake up to fewer puddles and chewed-up shoes. ...

Flickr/tonyschutz Name: Border Collie Personality: The border collie's claim to fame? It is widely regarded as the smartest breed of dog there is. A second claim to fame? Border collies are incredibly energetic. Want a third? This dog loves, loves, loves to work. The American Kennel Club proclaims border collies "the workaholic of the dog world." Grooming: Web site Border Collie Training recommends regular brushing of the coat to prevent matting and tangling, but any other bathing (including dry shampooing) should only be done "when it is absolutely necessary." Common Health Issues: According to the American Border Collie Association, the top three genetic diseases to which this breed ...

Getty In response to the American Kennel Club's recent announcement of the Top 10 Most Popular Dogs of 2009 (based on registration statistics), we decided to unleash our own list (based on pure, unadulterated puppy love). And since we go nuts for just about every type of pooch at Paw Nation, it wasn't easy to narrow it down to ten. But thanks to your comments and our Facebook fans' input, we've come up with ten dogs who didn't make it on to AKC's list but are nonetheless tops with pet lovers across the country. Pembroke Welsh Corgi With its bat ears and stub tail, the Pembroke Welsh Corgi stands out from the crowd. More sociable than the Cardigan Welsh Corgi (which we also love!), the ...

Border collies are smart -- this is not news. But not every border collie has the kind of talent (or the star quality) that Paige, the dog in the video above, has. Paige's owner, Lauren Girard of Washington D.C., works with the two-year-old border collie every day for 20 to 30 minutes, using positive reinforcement, to keep the dog's skills sharp. "First, I started with basic obedience classes, then went into more serious classes," Girard tells Paw Nation. "Now we're doing competitive obedience and agility, which is more serious, so the tricks are just something I do on the side. She's so smart that she generally picks them up in just one session. You know the laundry trick? I showed her, ...