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 Pleistocene wolves, and the modern wolf is the dog's nearest living relative. Dogs were the first species to be domesticated by hunter-gatherers over 15,000 years ago 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 Chesapeake Bay Retriever is a large breed of dog belonging to the retriever, gundog, and sporting breed groups. The breed was developed in the United States Chesapeake Bay area during the 19th century. Historically used by local market hunters to retrieve waterfowl, pull fishing nets, and rescue fishermen, it is today primarily a family pet and hunting companion, known for a bright and happy disposition; courage; willingness to work; alertness; intelligence; love of water; and hunting capabilities. The Chesapeake is a medium- to large-sized dog similar in appearance to the Labrador Retriever, but with a wavy coat. (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.
In some countries, it is a legal, competitive activity in which dogs are tested on their ability to run, overtake and turn a hare, rather than a form of hunting aiming at the capture of game. It has a number of variations in its rules around the world. Coursing can also be a form of hunting or pest control. It is a long-established hunting technique, practiced historically in England, especially with greyhounds or sighthound breeds, or with lurchers which are crossbred sighthounds. The sport grew in popularity in Europe during the 19th century but has since experienced a decline due in part to the introduction of greyhound racing with betting, and laws passed that have banned the practice. (Full article...)
Image 2A 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 3External 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 4Tesem, an ancient Egyptian sight-hound (from Dog breed)
Image 56Schematic 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 57The 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 Dog anatomy)
... that an image of MacCarthy's Bar on the front cover of a book featured a staff member posing as a nun drinking a pint of Guinness and the surprise appearance of a dog?
... that Miller's Anatomy of the Dog, a textbook dedicated to canines, was found by a specialist feline publication to be bereft of information about cats?
... that 9,000 Greek Jews were targeted by the 1942 Eleftherias Square roundup, and those who collapsed were attacked by dogs?
... that Norwegian footballer Tuva Hansen and her dog have received millions of views on several TikTok videos?
...that Mancs the Hungarian rescue dog is commemorated by a statue (pictured) in his hometown Miskolc?
...that the sting of the rainforest shrub Dendrocnide moroides can cause severe and prolonged pain and has been reported to kill dogs, horses and humans?
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