29 Things You Didn't Know About Labrador Retrievers, America's Most Popular Dog

Since Labradors are work dogs and are bred to retrieve things, it's not surprising that they're great recyclers. Tubby the Labrador owns the World Record for the most bottles recycled by a dog. Over a six-year period, Tubby recycled as many as 26,000 water bottles during his walks in Torfaen, UK. His owner believes he recycled 50,000 bottles in his lifetime.