Portal:Dogs

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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the gray wolf. Also called the domestic dog, it was selectively bred from a 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. 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 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...)

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Boston Terrier with a black brindle coat

The Boston Terrier is a breed of dog originating in the United States of America. This "American Gentleman" was accepted in 1893 by the American Kennel Club as a non-sporting breed. Boston Terriers are small and compact with a short tail and erect ears.

The Boston Terrier ranked as the 24th most popular breed in registrations with the American Kennel Club in 2022. (Full article...)

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A team of fourteen mixed-breed dogs mushing. Mushing is a general term for a sport or transport method powered by dogs, and includes carting, sled dog racing, skijoring, freighting, and weight pulling. More specifically, it implies the use of one or more dogs to pull a sled on snow. The term is thought to come from the French word marche, or go, run, the command to the team to commence pulling. "Mush!" is rarely used in modern parlance, however; "Hike!" is more common in English.

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A photograph of Charles Cruft, published in 1902

Charles Alfred Cruft (28 June 1852 – 10 September 1938) was a British showman who founded the Crufts dog show. Charles first became involved with dogs when he began to work at Spratt's, a manufacturer of dog biscuits. He rose to the position of general manager, and whilst working for Spratt's in France he was invited to run his first dog show at the 1878 Exposition Universelle. After running dog shows in London for four years, he ran his first Cruft's dog show in 1891, and continued to run a further 45 shows until his death in 1938, as well as running two cat shows in 1894 and 1895. He was involved in a range of dog breed clubs, including that for Schipperkes, Pugs and Borzois. He and his wife upheld a story that they never owned a dog, and instead owned a cat, however Cruft admitted to owning at least one Saint Bernard in his memoirs, published posthumously. (Full article...)

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General images -

The following are images from various dog-related articles on Wikipedia.

Image 1NASA astronaut Leland D. Melvin with his dogs Jake and Scout (from Dog behavior)
Image 2Montage showing the coat variation of dogs. (from Dog anatomy)
Image 3Petroglyph depicting two dogs hunting – Tassili n'Ajjer, Algeria (from Domestication of the dog)
Image 4A little mongrel puppy on the shore, on Halong Bay (from Puppy)
Image 5Golden Retriever puppy (from Puppy)
Image 6Frontal view of a dog skull (from Dog anatomy)
Image 7Two Shih Tzu puppies (from Puppy)
Image 8Jack Russell Terrier puppy (from Puppy)
Image 9Chihuahua puppy (from Puppy)
Image 10"Five different types of dogs", c. 1547. (from Dog breed)
Image 11Basenji puppy (from Puppy)
Image 12Sled dog types, sketched in 1833 (from Domestication of the dog)
Image 13Lateral view of a dog skeleton (from Dog anatomy)
Image 14An extinct Turnspit dog, 1800 (from Dog type)
Image 15A 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 16Reduction in size under selective breeding – grey wolf and chihuahua skulls (from Domestication of the dog)
Image 17Sled dogs, 1833 (from Dog type)
Image 18The nose of a dog (from Dog anatomy)
Image 19Tesem, an ancient Egyptian sight-hound (from Dog breed)
Image 20Newborn Basenji puppies (from Puppy)
Image 21The dog diverged from a now-extinct population of wolves 27,000–40,000 years ago, before or during the Last Glacial Maximum, when much of the mammoth steppe was cold and dry. (from Domestication of the dog)
Image 22A wolf mandible diagram showing the names and positions of the teeth (from Dog anatomy)
Image 23The dog's retina shows the optic disc and the eye's vasculature. (from Dog anatomy)
Image 24Chihuahua mix and purebred Great Dane (from Dog breed)
Image 25The 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)
Image 26Schematic 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 27A dog's teeth (from Dog anatomy)
Image 28Basset Hound (from Puppy)
Image 29Bloodhound puppy (from Puppy)
Image 30External 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 31Puggle puppy (from Puppy)
Image 32Newborn Welsh Springer Spaniels (from Puppy)
Image 33Sled dog types, sketched in 1833 (from Dog breed)
Image 34Cart dogs, c. 1900; different in appearance but doing the same work (from Dog type)
Image 35Lateral view of a dog skull, jaw opened (from Dog anatomy)
Image 36Bison surrounded by grey wolf pack (from Domestication of the dog)
Image 37A cavapoo and maltipoo running back while playing fetch (from Dog behavior)
Image 38West Highland White Terrier puppies (from Puppy)
Image 39German Spitz puppy (from Puppy)
Image 40Lateral view of a dog skull, jaw closed (from Dog anatomy)
Image 41A dog's whiskers (from Dog anatomy)
Image 42Example of a dog making prolonged eye contact with a human (from Domestication of the dog)
Image 43Montage showing the morphological variation of the dog. (from Dog breed)
Image 44Dog knee (from Dog anatomy)
Image 45St. Bernard puppy (from Puppy)
Image 46Map depicting possible phylogeographic origins of dingoes, New Guinea singing dogs, and Island Southeast Asian and Oceanian dogs, based on recent genetic evidence (Fillios & Taçon, 2016) (from Domestication of the dog)
Image 47A mongrel puppy (from Puppy)
Image 48President Lyndon B. Johnson with a basket of puppies in 1966 (from Puppy)
Image 49A labradoodle puppy and a Golden Retriever puppy playing together (from Puppy)
Image 50Australian Cattle Dog puppy (from Puppy)
Image 51The difference in overall body size between a Cane Corso (Italian mastiff) and a Yorkshire terrier is over 30-fold, yet both are members of the same species. (from Domestication of the dog)
Image 52Skeleton of a dog:
1. Cranium
2. Maxilla
3. Mandible
4. Atlas
5. Axis
6. Scapula
7. Spine of scapula
8. Humerus
9. Radius
10. Ulna
11. Phalanges
12. Metacarpal bones
13. Carpal bones
14. Sternum
15. Cartilaginous part of the rib
16. Ribs
17. Phalanges
18. Metatarsal bones
19. Tarsal Bones
20. Calcaneus
21. Fibula
22. Tibia
23. Patella
24. Femur
25. Ischium
26. Pelvis
(from Dog anatomy)
Image 53Mammoth bone dwelling, Mezhirich site, Ukraine (from Domestication of the dog)
Image 54Cave wolf skull, Natural History Museum, Berlin (from Domestication of the dog)
Image 55Mandible of the oldest recognised dog discovered in Bonn-Oberkassel, Germany, and dated 14,200 years old (from Domestication of the dog)
Image 56Watercolor tracing made by archaeologist Henri Breuil from a cave painting of a wolf-like canid, Font-de-Gaume, France, dated 19,000 years ago (from Domestication of the dog)
Image 57Cavapoo puppy (from Puppy)
Image 58Ancient Hawaiian petroglyphic depiction of an ʻīlio (Hawaiian Poi Dog) (from Domestication of the dog)
Image 59The Greenland dog carries 3.5% genetic material inherited from a 35,000-year-old wolf from the Taymyr Peninsula, Arctic Siberia. (from Domestication of the dog)
Image 60An 1897 illustration showing a range of European dog breeds (from Dog breed)
Image 61Diagram of a wolf skull with key features labelled (from Domestication of the dog)

Did you know (auto-generated) -

... that Babydog is "a fixture in West Virginia politics"?
... that the 2021 NCAA Division I men's basketball championship game between Baylor and Gonzaga was the first since 2005 to feature the top two overall seeds of the NCAA tournament?
... that either dog feces, or hen and pigeon manure, were used by tanners to produce a soft leather?
... that Pinky & Pepper Forever is a graphic novel that follows two anthropomorphic dog girlfriends through hell?
... that Snoop Dogg's original lyrics about cannabis for the song "Sunday" were sung over by Ben Rector to keep the song clean?
... that an initial gameplay concept for Diggin' Dogs was "possibly going to be worms eating into a diseased brain", with design input from Edmund McMillen?

More did you know... -

New Skete

...that Laurence Mancuso was the founding abbot of the Eastern Orthodox monastic community of New Skete (pictured), which is known for its dog training?
...that "On the Internet, nobody knows you're a dog" is the most reproduced cartoon from The New Yorker magazine, and its title a phrase still used around the world?
...that the famous quote "No man who hates dogs and children can be all bad" generally attributed to Leo Rosten was actually first used in 1930 by future war correspondent Byron Darnton?
...that the expressions 'top dog' and 'underdog' may originate with the two sawyers in a saw pit?

...that Ramy Brooks, a competitor in the 1,049 mi 2006 Iditarod dog sled race across Alaska, is one of the few Native Alaskans competing in the event?
...that the Caucasian Shepherd Dog is generally a low activity dog, seemingly lethargic when not working, but extremely agile and convincing when it feels that its family is threatened?
...that the Battle of Garibpur fought between India and Pakistan preceded the official start of the Indo-Pakistani War of 1971, and was the first battle where dog fighting occurred over East Pakistan?
...that George E. Studdy was a British artist best remembered for his creation of Bonzo the dog, a fictional character, in the early 1920s?

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Stubs : Aksaray Malaklisi, Alopekis, Argentine pila dog, Armant (dog), Banjara Hound, Barbado da Terceira, Braque Dupuy, Bruno Jura Hound, Bulgarian Scenthound, Cane Lupino del Gigante, Cane Paratore, Cantabrian Water Dog, Barrocal Algarvio, Český fousek, Faroese Sheepdog, Georgian Shepherd, German Spitz Mittel, Gończy Polski, Grand Griffon Vendéen, Himalayan Sheepdog, Hygen Hound, Indian Spitz, Japanese Terrier, Kaikadi (dog), Koyun dog, Kumaon Mastiff, Levriero Italiano, Mahratta Hound, Majorca Ratter, Montenegrin Mountain Hound, Northern Inuit Dog, Phu Quoc Ridgeback, Plummer Terrier, Porcelaine, Pyrenean Mastiff, Rampur Greyhound, Romanian Mioritic Shepherd Dog, Romanian Raven Shepherd Dog, Saint Miguel Cattle Dog, Sapsali, Sarabi dog, Sardinian Shepherd Dog, Schweizer Laufhund, Segugio Italiano, Segugio Maremmano, Segugio dell'Appennino, Sinhala Hound, Slovak Cuvac, South Russian Ovcharka, St. Hubert Jura Hound, Stichelhaar, Taigan, Tazy, Telomian, Treeing Cur, Vikhan, Villano de las Encartaciones, Villanuco de Las Encartaciones, White Shepherd, White Swiss Shepherd Dog, Xiasi Dog More stubs...
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