The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the wolf. Also called the domestic dog, it was selectively bred from an extinct population of wolves during the Late Pleistocene by hunter-gatherers. The dog was the first species to be domesticated by humans, over 14,000 years ago and before the development of agriculture. Experts estimate that due to their long association with humans, dogs have gained the ability to thrive on a starch-rich diet that would be inadequate for other canids.
Dogs have been bred for desired behaviors, sensory capabilities, and physical attributes. Dog breeds vary widely in shape, size, and color. They have the same number of bones (with the exception of the tail), powerful jaws that house around 42 teeth, and well-developed senses of smell, hearing, and sight. Compared to humans, dogs have an inferior visual acuity, a superior sense of smell, and a relatively large olfactory cortex. They perform many roles for humans, such as hunting, herding, pulling loads, protection, companionship, therapy, aiding disabled people, and assisting police and the military.
Communication in dogs includes eye gaze, facial expression, vocalization, body posture (including movements of bodies and limbs), and gustatory communication (scents, pheromones, and taste). They mark their territories by urinating on them, which is more likely when entering a new environment. Over the millennia, dogs became uniquely adapted to human behavior; this adaptation includes being able to understand and communicate with humans. As such, the human–canine bond has been a topic of frequent study, and dogs' influence on human society has given them the sobriquet of "man's best friend". (Full article...)
Classic pose of a Miniature Schnauzer. This dog has natural ears and an undocked tail.
The Miniature Schnauzer is a breed of small dog of the Schnauzer type that originated in Germany in the mid-to-late 19th century. Miniature Schnauzers may have been developed from the smallest specimens of the Standard Schnauzer, or crosses between the standard and one or more smaller breeds such as the Affenpinscher, Miniature Pinscher, and Poodles, as farmers bred a small dog that was an efficient ratting dog. They are described as "spunky" but aloof dogs, with good guarding tendencies without some guard dogs' predisposition to bite. Miniature Schnauzers are recognized in four colors internationally: solid black, black and silver, salt and pepper, and white.
It is the most popular Schnauzer breed, and remains one of the most popular worldwide, primarily for its temperament and relatively small size. As of 2022 it is the 17th most popular breed in the U.S. (Full article...)
A Border Collie correctly maneouvring through weave poles in dog agility. Border Collies are an extremely intelligent breed with an instinctive desire to work. They are also extremely energetic and require a lot of attention, but are very responsive to training. They are better off in a household that can provide them with plenty of exercise and a job to do.
A blind man is led by his guide dog in Brasília, Brazil.
Guide dogs (colloquially known in the US as seeing-eye dogs) are assistance dogs trained to lead blind or visually impaired people around obstacles. Although dogs can be trained to navigate various obstacles, they are red–green colour blind and incapable of interpreting street signs. The human does the directing, based on skills acquired through previous mobility training. The handler might be likened to an aircraft's navigator, who must know how to get from one place to another, and the dog is the pilot, who gets them there safely. In several countries guide dogs, along with most other service and hearing dogs, are exempt from regulations against the presence of animals in places such as restaurants and public transportation. (Full article...)
Image 3Cart dogs, c. 1900; different in appearance but doing the same work (from Dog type)
Image 4Schematic anatomy of the ear. In dogs, the ear canal has a "L" shape, with the vertical canal (first half) and the horizontal canal (deeper half, ending with the eardrum) (from Dog anatomy)
Image 13A drawing by Konrad Lorenz showing facial expressions of a dog - a communication behavior. X-axis is aggression, y-axis is fear. (from Dog behavior)
Image 53The difference in body size between a Cane Corso (Italian mastiff) and a Yorkshire Terrier is over 30-fold; both are members of the same species. (from Dog anatomy)
... that Chuck Eisenmann went from professionally pitching in baseball to owning and training the dogs that starred on the Canadian television series The Littlest Hobo?
... that Babydog is "a fixture in West Virginia politics"?
...that the Caribou Inuit people are defined by their fur clothing, use of sled dogs and their snowhouses?
...that a legend says that when Philip de Braose irreverently spent the night in a church dedicated to Saint Afan, he was struck blind the next morning and his hunting dogs went mad?
...that the Koitsenko were the honorary elite of the Kiowadog soldiers, who tribal lore says called themselves that because they had dreams or visions of dogs?
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