Portal:Dogs

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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the wolf. Also called the domestic dog, it was domesticated from an extinct population of wolves during the Late Pleistocene, over 14,000 years ago by hunter-gatherers, prior to the development of agriculture. The dog was the first species to be domesticated by humans. Experts estimate that due to their long association with humans, dogs have expanded to a large number of domestic individuals and gained the ability to thrive on a starch-rich diet that would be inadequate for other canids.

The dog has been selectively bred over millennia for various behaviors, sensory capabilities, and physical attributes. Dog breeds vary widely in shape, size, and color. They perform many roles for humans, such as hunting, herding, pulling loads, protection, assisting police and the military, companionship, therapy, and aiding disabled people. Over the millennia, dogs became uniquely adapted to human behavior, and the human–canine bond has been a topic of frequent study. This influence on human society has given them the sobriquet of "man's best friend". (Full article...)

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Blenheim Cavalier King Charles Spaniel

The Cavalier King Charles Spaniel (CKCS) is a British breed of toy dog of spaniel type. Four colours are recognised: Blenheim (chestnut and white), tricolour (black/white/tan), black and tan, and ruby; the coat is smooth and silky. The lifespan is usually between eight and twelve years.

The Cavalier King Charles changed dramatically in the late seventeenth century, when it was inter-bred with flat-nosed breeds. Until the 1920s, it shared the same history as the smaller King Charles Spaniel. Breeders attempted to recreate what they considered to be the original configuration – a dog resembling Charles II's spaniel of the English Civil War period, when supporters of the king were known as Cavaliers. (Full article...)

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Credit: American Water Spaniel Club

The American Water Spaniel is a gundog breed of dog developed in the market hunting days of America's history. Hunters needed a dog that could function on land as well as in the marsh and that could easily fit into a canoe or skiff without taking up much room. An American original, this flushing spaniel also doubles as a competent retriever.

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A therapy dog is a dog that is trained to provide affection, comfort and support to people, often in settings such as hospitals, retirement homes, nursing homes, schools, libraries, hospices, or disaster areas. In contrast to assistance dogs, which are trained to assist specific patients with their day-to-day physical needs, therapy dogs are trained to interact with all kinds of people, not just their handlers. (Full article...)

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

Image 1The nose of a dog (from Dog anatomy)
Image 2A dog's whiskers (from Dog anatomy)
Image 3A little mongrel puppy on the shore, on Halong Bay (from Puppy)
Image 4A labradoodle puppy and a Golden Retriever puppy playing together (from Puppy)
Image 5Schematic 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 6Australian Cattle Dog puppy (from Puppy)
Image 7Lateral view of a dog skull, jaw closed (from Dog anatomy)
Image 8Ancient Hawaiian petroglyphic depiction of an ʻīlio (Hawaiian Poi Dog) (from Domestication of the dog)
Image 9A mongrel puppy (from Puppy)
Image 10Lateral view of a dog skeleton (from Dog anatomy)
Image 11A dog's teeth (from Dog anatomy)
Image 12German Spitz puppy (from Puppy)
Image 13President Lyndon B. Johnson with a basket of puppies in 1966 (from Puppy)
Image 14Cart dogs, c. 1900; different in appearance but doing the same work (from Dog type)
Image 15An 1897 illustration showing a range of European dog breeds (from Dog breed)
Image 16Sled dogs, 1833 (from Dog type)
Image 17Skeleton 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 18Bison surrounded by grey wolf pack (from Domestication of the dog)
Image 19Scent-rolling (from Dog behavior)
Image 20Chihuahua mix and purebred Great Dane (from Dog breed)
Image 21External 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 22Puggle puppy (from Puppy)
Image 23Chihuahua puppy (from Puppy)
Image 24The dog's retina shows the optic disc and the eye's vasculature. (from Dog anatomy)
Image 25A 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 26NASA astronaut Leland D. Melvin with his dogs Jake and Scout (from Dog behavior)
Image 27Montage showing the coat variation of dogs. (from Dog anatomy)
Image 28Sled dog types, sketched in 1833 (from Dog breed)
Image 29Bloodhound puppy (from Puppy)
Image 30Map 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 31Petroglyph depicting two dogs hunting – Tassili n'Ajjer, Algeria (from Domestication of the dog)
Image 32West Highland White Terrier puppies (from Puppy)
Image 33"Five different types of dogs", c. 1547. (from Dog breed)
Image 34An extinct Turnspit dog, 1800 (from Dog type)
Image 35Mammoth bone dwelling, Mezhirich site, Ukraine (from Domestication of the dog)
Image 36Example of a dog making prolonged eye contact with a human (from Domestication of the dog)
Image 37Sled dog types, sketched in 1833 (from Domestication of the dog)
Image 38Two Shih Tzu puppies (from Puppy)
Image 39A cavapoo and maltipoo running back while playing fetch (from Dog behavior)
Image 40Golden Retriever puppy (from Puppy)
Image 41The 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 42The dog diverged from a now-extinct population of wolves 27,000–40,000 years ago immediately before the Last Glacial Maximum, when much of the mammoth steppe was cold and dry. (from Domestication of the dog)
Image 43Watercolor 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 44The 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 45Dog knee (from Dog anatomy)
Image 46St. Bernard puppy (from Puppy)
Image 47The 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 48Frontal view of a dog skull (from Dog anatomy)
Image 49Cavapoo puppy (from Puppy)
Image 50A wolf mandible diagram showing the names and positions of the teeth (from Dog anatomy)
Image 51Diagram of a wolf skull with key features labelled (from Domestication of the dog)
Image 52Mandible of the oldest recognised dog discovered in Bonn-Oberkassel, Germany, and dated 14,200 years old (from Domestication of the dog)
Image 53Reduction in size under selective breeding – grey wolf and chihuahua skulls (from Domestication of the dog)
Image 54Cave wolf skull, Natural History Museum, Berlin (from Domestication of the dog)
Image 55Lateral view of a dog skull, jaw opened (from Dog anatomy)
Image 56Newborn Welsh Springer Spaniels (from Puppy)
Image 57Basenji puppy (from Puppy)
Image 58Newborn Basenji puppies (from Puppy)
Image 59Montage showing the morphological variation of the dog. (from Dog breed)
Image 60Basset Hound (from Puppy)
Image 61Jack Russell Terrier puppy (from Puppy)
Image 62Tesem, an ancient Egyptian sight-hound (from Dog breed)

Did you know (auto-generated) - show different entries

... that Mack Trucks adopted the Bulldog as its corporate logo after World War I British soldiers nicknamed the Mack AC the "Bulldog", a reference to the model's tenacity and stub nose?
... that Pulaski's Masterpiece, billed as the "world's most valuable dog", disappeared without a trace in 1953?
... that Aox Inc., a maker of computer expansion cards, was named after the founders' dog?
... that the private members' club George has a bespoke menu for pet dogs?
... that French designer Martine Bedin compared her Super Lamp design to "a small dog that I could carry with me"?
... that the album series Jingle Cats spawned Jingle Dogs, Jingle Babies, and a Japanese video game in which "the object is to breed and care for cats, which begin to sing when they're done copulating"?

More did you know... - show different entries

...that Tillamook Cheddar (pictured), a Jack Russell Terrier from Brooklyn, New York, is the world's most successful and widely shown animal artist?
...that grape and raisin toxicity is a potential cause of acute renal failure in dogs?
...that Able Seaman Just Nuisance is the only dog to have been officially enlisted in the Royal Navy?
...that the Moscow Water Dog, developed as a water rescue dog, preferred to bite drowning people instead of saving them?

...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, 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, 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 Sheepdog, Villano de las Encartaciones, Villanuco de Las Encartaciones, White Shepherd, White Swiss Shepherd Dog, Xiasi Dog More stubs...
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