Often a runner-up in the Guinness Book of World Records, the Irish Wolfhound comes in second in comparison to the Great Dane.

Mastiffs are the largest dog breed, with males weighing up to 230 pounds. Large dog breeds are frequently known for being protective. Some large breeds require more upkeep than others, making it ...

Meera Pal is a Northern California-based writer with a background in journalism and books. She covers pets, real estate, tech, and everything in between. You can follow her on Twitter @Meerakat Kelly ...