According to Svartberg's data (PDF), a pinscher, a Bernese mountain dog, or an English springer spaniel might be the most disloyal since each ranks very low on playfulness, with moderate sociability.
Despite being one of the most expensive dogs in the world, the Afghan hound has the lowest IQ of all dog breeds, per Coren's research. But since these hounds are known as independent and strong willed, perhaps they just can't be bothered to learn commands; what's in it for them, after all?
The breed is considered highly intelligent and easy to train. Aussies are known for being especially eager to please their owners. True to their herding instincts, Aussies are very protective of their families and territory and will let you know if strangers approach, but they are not considered aggressive.
The Pit Bull is the most common dog breed (along with pit bull breed mixes) found in shelters in the United States. They are also the most abused, neglected, and the most euthanized.
Most experienced shelter workers will tell you that black dogs are often adopted less than any other coat color. Be it black Labrador Retrievers, Shepherds, Rottweilers, etc., they are often passed over by potential adopters.
Golden Retrievers are one of the most popular dog breeds in the world; they're also the most adopted. It's because they are highly social dogs that tend to get along well with almost anyone, kids and pets included!
1. American Pit Bull Terrier. The American Pit Bull Terrier is considered one of the most dangerous dog breeds – both in the U.S. and internationally. They are a very aggressive breed and have been known to attack and kill people.
Aussies can be very clingy. They crave human companionship and love being included in pretty much everything you do, including being involved in all family activity. Since they require an active lifestyle, they will want to join in everything and anything that is going on around them.
Your Aussie will bond to his family and be protective of and loyal to them. Many dog owners are surprised to learn that even though Aussies have strong guarding and herding instincts, they are sweet and cuddly indoor dogs that can even be kept in apartments.
Australian Shepherds are very good with children and tend to get along well with other pets. They have a very easy-going temperament, making them great family pets as well as herding animals.
Border Collie. Border Collies are considered one of the most intelligent dog breeds, making it easier for them to understand instructions and training. ...
Generally, dogs dislike hugs, not being allowed to sniff, a lack of routine, and more. Even the most laid-back dog will hate some of the things we humans do—if they tolerate it, it's just because they love you or don't want to be dominant.
