Their assertion shows, of course, what as mess the biological species concept is. If anyone does think all those breeds of dogs are really species, well…
Perhaps most groups of canines have never been very separate for any length of time and that fact may have served them well.
Maybe greater social intelligence is the outcome of a much higher order of underlying intelligence in humans?
From ScienceDaily: People who think dogs are exceptionally intelligent are barking up the wrong tree, new research shows. Scientists reviewed evidence that compared the brain power of dogs with other domestic animals, other social hunters and other carnivorans (an order including animals such as dogs, wolves, bears, lions and hyenas). The researchers, from the University […]