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 possess a superior sense of smell and hearing, but inferior visual acuity. Dogs 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 have 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...)
The Coton de Tuléar is a breed of small dog named for the city of Tuléar (also known as Toliara) in Madagascar. This breed is thought to have originated from a group of small white dogs that swam across the Malagasy channel following a shipwreck. Known for its cotton-like coat, the Coton de Tuléar typically grows to no more than 18 pounds (8.2 kg), and is white, sometimes with grey, tan, black, or tri-colored markings. (Full article...)
A yellow Labrador Retriever correctly negotiating weave poles at a dog agility competition. Similar to a slalom, weave poles are a series of upright poles, each about 3 feet (1 m) tall and spaced about 20 inches (50 cm) apart, through which the dog weaves. It is one of the most difficult obstacles for a dog to master. It varies from 5 to 12 poles at one time. The dog must always enter with the first pole to his left and must not skip poles.
A drawing by Konrad Lorenz showing facial expressions of a dog - a communication behavior. X-axis is aggression, y-axis is fear.
Dog behavior is the internally coordinated responses of individuals or groups of domestic dogs to internal and external stimuli. It has been shaped by millennia of contact with humans and their lifestyles. As a result of this physical and social evolution, dogs have acquired the ability to understand and communicate with humans. Behavioral scientists have uncovered a wide range of social-cognitive abilities in domestic dogs. (Full article...)
Image 17Lateral view of a dog skeleton (from Dog anatomy)
Image 18External anatomy (topography) of a typical dog: 1. Head 2. Muzzle 3. Dewlap (throat, neck skin) 4. Shoulder 5. Elbow 6. Forefeet 7. Croup (rump) 8. Leg (thigh and hip) 9. Hock 10. Hind feet 11. Withers 12. Stifle 13. Paws 14. Tail (from Dog anatomy)
Image 19A 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 20A wolf mandible diagram showing the names and positions of the teeth (from Dog anatomy)
Image 22Schematic 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 26The 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 Snoop Dogg's original lyrics about cannabis for the song "Sunday" were sung over by Ben Rector to keep the song clean?
... that when Wilson Starbuck's play Sea Dogs was staged in 1939 it "contained some of the foulest language heard on Broadway" at that point in history?
...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?
...when lying down, dogs rest on their haunches, not their stomachs?
...that Nipper was the mixed-breed dog who was the model for the painting His Master's Voice, which was later used logos and advertising for several brands, including RCA Records.
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