Norwegian Lundehund. Dating back to the Ice Age, the Norwegian Lundehund is recognised as one of the rarest dog breeds on the planet due to its unique characteristics, which aren't shared by any other breed. ...
But among dogs, which are well known for their hybrid (or mongrel) varieties, different breeds can mate and have viable offspring, so they are all found under the umbrella of a single species, Canis familiaris. Dogs are highly unusual in their variation, from the Chihuahua to the Great Dane.
The American Kennel Club has used registration data to compile the list of 2021's most popular breeds. As always, the Labrador Retriever tops the list — this time for the 31st year!
The high price of an Azawakh often stems from its bloodline. They make terrific show dogs and are also very rare. Azawakhs hail from Western Africa where they hunt gazelle, running as long and as fast as they can.
Dogs are always born in litters and oftentimes look alike, so it is easy to assume that identical twins aren't uncommon in puppies. But in reality, identical twins in dogs are incredibly rare. Twins are two offspring produced by the same pregnancy.
While the once widely believed theory that dogs see everything in black and white has been proven false, the truth is that dogs see a color spectrum similar to that of humans with red-green colorblindness, says the American Kennel Club (AKC).
Small dogs the world over can all trace their ancestry back to the Middle East, where the first diminutive canines emerged more than 12,000 years ago. Small dogs the world over can all trace their ancestry back to the Middle East, where the first diminutive canines emerged more than 12,000 years ago.
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.
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.
Blue dogs come in all sizes. Some breeds are known for their blue coat, while others carry the blue coat gene outside the breed standard. Many blue dog breeds are sought after and highly prized for their good looks and unique blue coat markings, including blue tick, blue merle, blue harlequin, blue brindle.
That said, the trait is still quite rare. In our DNA testing, we've found only about 5% of dogs to have the blue eye variant. Genetic variants may cause only one eye to be blue.
