Check out this list of smartest breeds and learn about the shortcomings of the obedience test this list was based on. (pethelpful.com)
They're a very smart breed, and they have the energy to match. (blog.pawedin.com)
Dogs function around a two - year - old's level, with some particularly smart breeds reaching the equivalent of a three - year - old's ability. (treehugger.com)