According to Professor Stanley Coren, a canine expert at the University of British Columbia in Canada, the Afghan Hound is the least intelligent breed of dog when it comes to understanding and obeying commands.
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.
1. Border collie. According to The Intelligence of Dogs, which ranks 131 dog breeds in terms of their relative intelligence, the border collie is the smartest dog breed known to man.
The Tibetan mastiff is considered the most expensive dog, as it has sold for thousands and even millions.
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.
Scientists have studied both species and their brains to find the answer to this very question. And, scientifically speaking, dogs are likely smarter than cats. The research study looked at the brains of animals in the order Carnivora, a group of mammals containing bears, seals, raccoons as well as cats and dogs.
The Pit Bull is considered to be the most dangerous dog in America. According to dogsbite.org, between 2005 and 2014, 203 Americans were killed by a Pit Bull ad 305 people were seriously injured after a mauling. These dogs were originally bred to baiting bulls and protecting hunters from bear.
A mongrel, mutt or mixed-breed dog is a dog that does not belong to one officially recognized breed and including those that are the result of intentional breeding. Although the term mixed-breed dog is sometimes preferred, many mongrels have no known purebred ancestors.
Barbara Luddy as Lady, an American Cocker Spaniel, who is the primary character in the film. A Christmas present to Darling from Jim Dear, she quickly becomes the center of their lives, but is then partly displaced by the birth of a human baby who she comes to love devotedly.
Many dog species excel in certain areas of intelligence over other dog breeds. But what about Siberian Huskies? According to Stanley Coren, a leading canine psychologist, huskies ranked 74th out of 138 dog breeds making them, according to Dr. Coren of average intelligence.
Afghans are the least obedient dog breed because they simply choose not to respond to your command. They are intelligent dogs who have discovered selective hearing. While highly sensitive, they are also extremely stubborn.
They are known to be very smart, which is why many owners train them for dog sports like Canicross or Agility: they are very good at playing and learning new skills.
According to several behavioral measures, Coren says dogs' mental abilities are close to a human child age 2 to 2.5 years. The intelligence of various types of dogs does differ and the dog's breed determines some of these differences, Coren says.
Horses and Dogs are both intelligent animals, but they have different cognitive strengths. Horses excel in areas like navigational intelligence while dogs do better with social intelligence. Neither animal is smarter than the other, that's just what makes them unique!
Dogs possess only two types of cones and can only discern blue and yellow - this limited color perception is called dichromatic vision.
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.
All shepherd breeds are naturally very active because of the herding work that they were originally bred for. That is why, today, Aussies are regular competitors in dog sports. A lot of hyperactivity in Mini Aussies stems from not meeting their needs for physical and mental exercise.
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.
To play this video you need to enable JavaScript in your browser. Lulu the border collie was left $5 million (£3.6 million) after her owner died last year. Bill Dorris left the dog in the care of his friend, Martha Burton. The will states that Burton is to be reimbursed for Lulu's reasonable monthly expenses.
4. Tibetan Mastiff – $10,000. This massive doggo made its way to American from Tibet where it protected sheep from predators like wolves, leopards, and bears.
Tibetan mastiffs are rare and revered for their unique appearance. So much so that in 2014, a Chinese businessman paid $1.9 million for the dog, according to the New York Post. The breeder told the Post: "They have lion's blood and are top-of-the-range mastiff studs."