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This list of dog breeds includes both extant and extinct dog breeds, varieties and types. A research article on dog genomics published in Science/AAAS defines modern dog breeds as "a recent invention defined by conformation to a physical ideal and purity of lineage".
The Fuegian dog, or Yahgan dog, or Patagonian dog (Spanish: perro fueguino, perro yagán, perro patagónico), is an extinct type of canid. Its ancestry is a matter of scientific debate, [ 1 ] [ 2 ] though traditionally it was thought to be bred and domesticated from the South American culpeo , also known as the culpeo fox ( Lycalopex culpaeus ).
The turnspit dog is an extinct short-legged, long-bodied dog bred to run on a wheel, called a turnspit or dog wheel, to turn meat. It is mentioned in Of English Dogs in 1576 under the name "Turnespete". [1] William Bingley's Memoirs of British Quadrupeds (1809) also talks of a dog employed to help
Coren's book presents a ranked list of breed intelligence, based on a survey of 208 dog obedience judges across North America. [10] When it was first published there was much media attention and commentary in terms of both pros [11] and cons. [12] Over the years, Coren's ranking of breeds and methodology have come to be accepted as a valid description of the differences among dog breeds in ...
A group of Labradoodle assistance dogs. This is a list of common dog crossbreeds.These are crossbreed dogs created deliberately by crossing two purebred dogs.Some are known as designer dogs and are bred as companion dogs, often given portmanteau names derived from those of the parent breeds; others are bred to combine specific working qualities inherent in the parent breeds.
Amphicyonidae is an extinct family of terrestrial carnivorans belonging to the suborder Caniformia.They first appeared in North America in the middle Eocene (around 45 mya), spread to Europe by the late Eocene (35 mya), and further spread to Asia and Africa by the early Miocene (23 mya).
Chaser could identify and retrieve 1,022 toys by name, [5] which was the result of a years-long research effort initiated by Pilley on June 28, 2004. [6] Pilley documents the following milestones as Chaser’s vocabulary grew over time: 50 words at 5 months, 200 words at 7.5 months, 700 words at 1.5 years, and 1,000+ at 3 years.
Common raccoon dogs feed on many animals and plant matter, and are unusual among canids (dogs, foxes, and other members of the family Canidae) in that they hibernate during cold winters and can climb trees. They are widespread in their native range, and are invasive in Europe where they were introduced for the fur trade.