The picture here is of a pet dog with no real 'title' per se.
But there are various categories of dogs who do have titles !
They include service dogs, therapy dogs, emotional support dogs, and working dogs.
The very interesting article to which we are linking today explains the differences in what they do.
The article begins with a video that is part explanation and part advertisement for pet foods so you can either watch it or not.
But whether you watch the video or not, keep scrolling down to see the very interesting pictures and explanations of the duties of each category of service dogs.
HERE'S the link to what's the difference in therapy dog, emotional support dog, and more.