Maine Coons are especially known for their large size in comparison to most domestic breeds of cats. They can grow to be up to 25 pounds so they’re comparable with some mid-sized dogs. This breed is exceedingly intelligent making them pretty easy to train for first-time cat owners. This breed is also very loyal to their family which includes canine family members. They tend maintain their playful nature into old age and can most commonly be found in a sink due to their love of water. Another very vocal breed, this breed is a great playmate for the children and dogs in your home.