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 is derived from extinct gray wolves, and the gray wolf is the dog's closest living relative. The dog was the first species to be domesticated by humans. Experts estimate that hunter-gatherers domesticated dogs more than 15,000 years ago, which was before the development of agriculture. 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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A Coton de Tuléar Puppy

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 are white, sometimes with grey, tan, black, or tri-colored markings. The Coton de Tuléar Day is celebrated on November 26. (Full article...)

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Credit: Sally Eller

A Standard Poodle in "working clip" retrieving a mallard. Retrievers were bred primarily to retrieve birds or other prey and return them to the hunter without damage. Although spaniels and some pointing breeds routinely retrieve game, and many retrievers are skilled in finding game, retrievers are distinguished in that non-slip retrieval is their primary function. As a result, retriever breeds are bred for soft mouths and a great willingness to please, learn, and obey. Poodles, though developed as hunting dogs, are most commonly used as companions.

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Snuppy (Korean: 스너피 a portmanteau of "SNU" and "puppy"; April 24, 2005 – May 2015) was an Afghan hound, the first dog clone. The puppy was created using a cell from an ear from an adult Afghan hound and involved 123 surrogate mothers, of which only two produced pups (Snuppy being the sole survivor). The Department of Theriogenology and Biotechnology at Seoul National University, which cloned Snuppy, was led by Woo Suk Hwang. Snuppy has since been used in the first known successful breeding between cloned canines after his sperm was used to artificially inseminate two cloned females, which resulted in the birth of 10 puppies in 2008. In 2017, 4 clones of Snuppy were made by Sooam, and were the first clones made of a cloned dog, to investigate potential health effects of cloning. (Full article...)

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

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

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

... that Open Philanthropy has made grants to causes ranging from recession prevention to cancer vaccines for dogs?
... that Norwegian footballer Tuva Hansen and her dog have received millions of views on several TikTok videos?
... that Rock Demers was spurred to make The Dog Who Stopped the War after reading an article on youth suicide?
... that after the 2023 New York City parking garage collapse, a robotic dog named Digidog was deployed by the New York City Fire Department?
... that Bothie was the only dog to "set paw" on both the North and South poles?
... that in 2021, Alabama state representative Steve McMillan sponsored a bill that later became law allowing restaurants to have outdoor dining areas for dogs?

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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