In "The Intelligence of Dogs," University of British Columbia psychology professor Stanley Coren examined rankings from dog obedience judges of 110 breeds. Using that information, we then looked at the least intelligent dogs by obedience intelligence. The breeds that make up this list are sorted by tiers, starting at "fair" and going down to "lowest degree of working." They are further sorted by overall intelligence.
Vacation photographs often capture perfect moments in favorite places. Send us your best ones by July 16 for a chance to win up to $1,000 in our Destinations Photo Contest. The top photographs submitted will also be featured in a national publication reaching more than 1 million households.