For one thing, I have observed that, over the past few decades, more and more publications, articles, surveys, research projects and studies are being documented. I dare say that the affluence of certain societies is conducive to the quest for more knowledge about pets which are now becoming more affordable.
In North America, scientists have carried out research projects to ascertain which TV programmes dogs prefer, which breeds dream about chasing birds or burglars and why dogs wag their tails, obviously not just to communicate with us humans, since they wag their tails for other dogs, cats, horses, mice and even moths. Personally I believe that tail wagging is just a ‘barometer’ to register the degree of canine happiness. Yet when someone
