What makes a dog breed go extinct? Some are mated out, completely turned into new types of dogs to fit the fashion or function of the day. Others are wiped away by predators (humans included) or ...

Nature will be nature, which is why many of the large dogs like the Saint Bernard and Cane Corso that have Mastiff blood. It wasn’t until the 1800s that Mastiffs came onto the shores of the U.S ...