Pet dogs can do it to, if they have a reason to (like their owner taking too long to get them to the dog park: http://komonews.com/news/local/seattle-dogs-rush-

Pet dogs can do it to, if they have a reason to (like their owner taking too long to get them to the dog park: http://komonews.com/news/local/seattle-dogs-rush-hour-ride-on-the-bus-by-herself-weekly-11-21-2015 http://komonews.com/news/local/seattle-dogs-rush-hour-ride-o...)