Local News Top 10 Hardest-Working Dog Breeds November 5, 2015 / 4:13 PM PST / CBS News (Credit: Andrew Zaragoza/Flickr) Bloodhound (Credit: John Leslie/Flickr) Boxer File photo. (Credit: Kyle May/Flickr) Doberman Pinscher (Credit: Andrea Arden/Flickr) German Shepherd (Credit: Michael/Flickr) Labrador Retriever (Credit: Smerikal/Flickr) Akita (Credit: Living in Monrovia) Rottweiler (Credit: Paul/Flickr)
