Collie

Collies are smart dogs.

They come from Scotland and England.

These dogs like to move sheep. They are very fast and strong. They can run all day.

Many collies have white on their shoulders. Some have long hair. Others have short hair. Their tails can be bushy.

Some collies are great pets. They are very kind to children. They are also very loyal.

Collies can even help people. They can search for people in the mountains. They are wonderful helpers.

Collies are a special type of herding dog. They come from Scotland and Northern England. These dogs are medium-sized and built for work. Many have white fur over their shoulders.

Collies are very smart and active. Some breeds, like the Border Collie, need a job to stay happy. They have a strong instinct to herd sheep and cattle. These dogs are agile and have great stamina. They can run all day on steep ground.

Some collies are working dogs. They can even help in mountain rescues. They search for people in large areas. Other collies are kept as pets or show dogs. They are gentle and loyal. This makes them great with children.

Collies have many different looks. Their fur can be long or short. Their tails can be bushy or smooth. They come in colors like black, red, and sable. Some have a pattern called merle. This means they have patches of color. They are wonderful, helpful dogs.

Collies are a special group of herding dogs. They come from Scotland and Northern England. These dogs are medium-sized and have light bodies. They often have pointed snouts. Many types have a white patch over their shoulders.

Collies are very active and agile animals. They have a strong instinct to herd livestock like sheep or cattle. Some people keep them as working dogs. Others keep them as pets or for dog sports. These sports show off their stamina and intelligence.

Working collies follow a specific way of life. They use their brains to manage groups of animals. A Border Collie is a very famous working breed. It needs a job to keep its mind busy. Without a job, it might become anxious or hyper. These dogs can run all day on steep ground. They do not get tired easily. Some even help in mountain rescues. They search through large hillsides and snow debris.

People have studied these dogs for a long time. Stanley Coren wrote a book called The Intelligence of Dogs. He found that collie types are very smart. Four of the first sixteen ranks went to them. The Border Collie took the very first place. In the 1920s and 1930s, Albert Payson Terhune wrote about collies. His books were very popular in the United States. Later, a character named Lassie became a famous collie. This character was based on a dog named Tootsie.

Collies come in many different colors and patterns. Some are black, red, or sable. Others have a pattern called merle. Merle looks like patches of color. Some dogs have white on their bellies or legs. The Bearded Collie is a unique type. It has a shaggy coat and a beard on its chin. All Bearded Collies are born certain colors. Their coats might lighten as they grow older. They can change from black to silver or gray.

Many dogs we know today come from the collie family. The Australian Kelpie was made from collies brought to Australia. The Australian Shepherd comes from British collies and other dogs. These dogs are very loyal and gentle. This makes them good companions for children. They are often better as watchdogs than guard dogs. Even though they are hard workers, they are very devoted to people.

Collies are a diverse group of herding dogs with a deep history. They originated in Scotland and Northern England. While many people think of a single breed, "collie" actually describes a type of dog. This type includes many different landraces and formal breeds. They are generally medium-sized dogs with light to medium bones. Most have pointed snouts and very high energy levels. Many varieties also feature a distinctive white patch over their shoulders.

The mechanics of the collie involve a powerful herding instinct. This instinct drives them to manage livestock like sheep and cattle. Working collies are built for extreme physical endurance. They can run all day over rough or steep ground without tiring. Their intelligence is a key part of how they work. They use keen observation to stay motivated for the job. In fact, the Border Collie is ranked first in Stanley Coren's book, *The Intelligence of Dogs*. This high intelligence makes them excellent for dog sports like flyball and agility.

Collie types are often divided by their intended purpose. Working strains are bred for stamina, agility, and intense focus. Some can even be single-minded or obsessive about their work. These dogs are used in specialized roles, such as mountain rescue. In Britain, Border Collies search large areas of hillsides and avalanche debris. On the other hand, show and pet types are bred differently. These include Rough Collies, Smooth Collies, and Shetland Sheepdogs. They are often selected for their appearance in conformation showing. They are known for being gentle, loyal, and compatible with children.

The history of the collie name is somewhat uncertain. It may come from the Scots word for "coal." It might also relate to the word "coolly," referring to black-faced sheep in Scotland. Some suggest the Gaelic word "collie" simply meant anything useful. This name reflects the dog's role as a vital tool for rural life. The popularity of these dogs grew through literature and film. In the 1920s and 1930s, Albert Payson Terhune wrote popular books about them. Later, the character Lassie became a global icon. Lassie was inspired by a real dog named Tootsie.

Collies display a wide variety of colors and patterns. Common base colors include black, red, and sable. They can also be black-and-tan or tricolor. Many possess a merle pattern, which creates patches of color. White markings are common on the chest, belly, and legs. The Bearded Collie is a notable example of variety. They have a shaggy coat and a beard on their chin. Interestingly, all Bearded Collies are born specific colors like black or brown. They may carry a fading gene that lightens their coat as they mature.

Different breeds have developed in various parts of the world. The Australian Kelpie was developed in Australia from Scottish and English collies. They often have erect ears and short hair. The Australian Shepherd also has collie ancestry, alongside Spanish and Basque dogs. These dogs are used as both guardians and drovers. They often show heterochromia, which means they have eyes of different colors. The English Shepherd was also developed in the United States from British farm collie types. These diverse lineages show how the collie type has adapted globally.

Despite their many strengths, some collie breeds face specific health challenges. Many, including the Rough Collie and Australian Shepherd, have a mutation in the MDR1 gene. This is also called ivermectin sensitivity. This mutation causes a lowered tolerance to over 100 different veterinary drugs. About 70% of collies are affected by this condition. They may also have fragile intestinal systems that require high-quality nutrition. Other serious issues include canine cyclic neutropenia, a stem cell disorder. This condition often affects puppies that appear to be blue merles. There is also a genetic eye anomaly caused by a mutation in the NHEJ1 gene.