0_Wizard
I love dogs! They are members of canines! 
The domestic dog ("Canis lupus familiaris" or "Canis familiaris") is a member of the genus "Canis" (canines), which forms part of the wolf-like canids, and is the most widely abundant terrestrial carnivore.
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Dog
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Must Love Dogs
Must Love Dogs is a 2005 American romantic comedy film based on Claire Cook's 2002 novel of the same name. Starring Diane Lane and John Cusack, it is the second and final film directed and written by Gary David Goldberg and was produced on a budget of $30 million. The film focuses on a woman's struggle with divorce and meeting new people afterward. Production started on October 12, 2004 with a final release date of July 29, 2005. Critics opinions were mostly negative but indicated that the actors were not to blame. "Must Love Dogs" took the fifth spot on its opening weekend and has grossed more than $58 million worldwide.
Machairodontinae
Machairodontinae is an extinct subfamily of carnivoran mammals of the family Felidae (true cats). They were found in Asia, Africa, North America, South America, and Europe from the Miocene to Pleistocene living from about 16 million until about 11,000 years ago. The Machairodontinae contain many of the extinct predators commonly known as "saber-toothed cats", including the famed genus "Smilodon", as well as other cats with only minor increases in the size and length of their maxillary canines. The name means "dagger-tooth", from Greek μάχαιρα ("machaira"), dagger. Sometimes, other carnivorous mammals with elongated teeth are also called saber-toothed cats, although they do not belong to the felids.
Dog behavior
Dog behavior is the internally coordinated responses of individuals or groups of domestic dogs to internal and external stimuli. It has been shaped by millennia of contact with humans and their lifestyles. As a result of this physical and social evolution, dogs, more than any other species, have acquired the ability to understand and communicate with humans and they are uniquely attuned to their behaviors. Behavioral scientists have uncovered a wide range of social-cognitive abilities in the domestic dog  The origin of the domestic dog ("Canis lupus familiaris" or "Canis familiaris") is not clear.
Separation anxiety in dogs
Separation anxiety in dogs describes a condition in which a dog exhibits distress and behavior problems when separated from its handler. Separation anxiety typically manifests within 30 minutes of departure of the handler. It is not fully understood why some dogs suffer from separation anxiety and others do not. The behavior may be secondary to an underlying medical condition. With chronic stressors in dog's lives, impairments can occur on their physiological health. Increased stress in the animal alters their hormone levels and thus decreases the animals immunity to various health problems. A visit to the veterinarian is always recommended if a dog's behavior changes suddenly.
Dog
The domestic dog ("Canis lupus familiaris" or "Canis familiaris") is a member of the genus "Canis" (canines), which forms part of the wolf-like canids, and is the most widely abundant terrestrial carnivore. The dog and the extant gray wolf are sister taxa as modern wolves are not closely related to the wolves that were first domesticated, which implies that the direct ancestor of the dog is extinct. The dog was the first species to be domesticated and has been selectively bred over millennia for various behaviors, sensory capabilities, and physical attributes. Their long association with humans has led dogs to be uniquely attuned to human behavior and they are able to thrive on a starch-rich diet that would be inadequate for other canid species.
Animal psychopathology
Animal psychopathology is the study of mental or behavioral disorders in animals. Historically, there has been an anthropocentric tendency to emphasize the study of animal psychopathologies as models for human mental illnesses. But animal psychopathologies can, from an evolutionary point of view, be more properly regarded as non-adaptive behaviors due to some sort of a cognitive disability, emotional impairment or distress. This article provides a non-exhaustive list of animal psychopathologies. Animals in the wild appear to be relatively free from eating disorders although their body composition fluctuates depending on seasonal and reproductive cycles.
Dogs in warfare
Dogs in warfare have a long history starting in ancient times. From war dogs trained in combat to their use as scouts, sentries and trackers, their uses have been varied and some continue to exist in modern military usage. War dogs were used by the Egyptians, Greeks, Persians, Sarmatians, Baganda, Alans, Slavs, Britons, and the Romans. The Molossus dog of the Molossia region of Epirus was the strongest known to the Romans, and was specifically trained for battle. Among the Greeks and Romans, dogs served most often as sentries or patrols, though they were sometimes taken into battle. The earliest use of war dogs in a battle recorded in classical sources was by Alyattes of Lydia against the Cimmerians around 600 BC.
1_Apprentice
I love dogs too! But I don't know much about them. What can you tell me about dogs?
0_Wizard
Dogs are actually domesticated wolves.
The dog and the extant gray wolf are sister taxa as modern wolves are not closely related to the wolves that were first domesticated, which implies that the direct ancestor of the dog is extinct.
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Dog
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Origin of the domestic dog
The origin of the domestic dog is not clear. The domestic dog is a member of the genus "Canis", which forms part of the wolf-like canids, and is the most widely abundant terrestrial carnivore. The closest living relative of the dog is the extant gray wolf and there is no evidence of any other canine contributing to its genetic lineage. The dog and the extant gray wolf are sister taxa as modern wolves are not closely related to the wolves that were first domesticated. The archaeological record shows the first undisputed dog remains buried beside humans 14,700 years ago, with disputed remains occurring 36,000 years ago.
Dog
The domestic dog ("Canis lupus familiaris" or "Canis familiaris") is a member of the genus "Canis" (canines), which forms part of the wolf-like canids, and is the most widely abundant terrestrial carnivore. The dog and the extant gray wolf are sister taxa as modern wolves are not closely related to the wolves that were first domesticated, which implies that the direct ancestor of the dog is extinct. The dog was the first species to be domesticated and has been selectively bred over millennia for various behaviors, sensory capabilities, and physical attributes. Their long association with humans has led dogs to be uniquely attuned to human behavior and they are able to thrive on a starch-rich diet that would be inadequate for other canid species.
Evolution of the wolf
The evolution of the wolf occurred over a geologic time scale of 800 thousand years, transforming the first Middle Pleistocene wolf specimen that is recognized as being morphologically similar to "Canis lupus" into today's dog, dingo and gray wolf. Ecological factors including habitat type, climate, prey specialization and predatory competition has greatly influenced the wolf's genetic population structure and cranio-dental plasticity. Wolves went through a population bottleneck 20,000 years before present (YBP), which indicates that many wolf populations had gone extinct at a time that coincided with the Last Glacial Maximum and the expansion of modern humans worldwide with their technology for capturing large game.
Gray wolf
The gray wolf ("Canis lupus"), also known as the timber wolf or western wolf, is a canine native to the wilderness and remote areas of Eurasia and North America. It is the largest extant member of its family, with males averaging and females . Like the red wolf, it is distinguished from other "Canis" species by its larger size and less pointed features, particularly on the ears and muzzle. Its winter fur is long and bushy and predominantly a mottled gray in color, although nearly pure white, red, and brown to black also occur. "Mammal Species of the World" (3rd ed., 2005), a standard reference work in zoology, recognises 38 subspecies of "C. lupus"..Gray wolfs are pack hunters.
Paleolithic dog
The Paleolithic dog was a Late Pleistocene canine. They were directly associated with human hunting camps in Europe over 30,000 years before present (YBP) and it is proposed that they were domesticated. They are also proposed to be either a proto-dog and the ancestor of the domestic dog or an extinct morphologically and genetically divergent wolf population. A study has classified the Paleolithic dog as "Canis c.f. familiaris" where c.f. is used in Latin to mean confer, uncertain ("Canis" believed to be "familiaris"). Previously in 1969, a study of ancient mammoth-bone dwellings at the Mezine paleolithic site in the Chernigov region, Ukraine uncovered 3 possibly domesticated "short-faced wolves".
Dingo
The dingo ("Canis lupus dingo" or "Canis dingo") is a type of feral dog native to Australia. The first British colonists to arrive in 1788 established a settlement at Port Jackson and recorded dingoes living there with indigenous Australians. Although the dingo exists in the wild, it associates with humans but has not been selectively bred similarly to other domesticated animals. It is a medium-sized canid that possesses a lean, hardy body designed for speed, agility and stamina. The dingo's three main coat colours are described as being either light ginger (or tan), black and tan, or creamy white.
Domestication of animals
The domestication of animals is the mutual relationship between animals with the humans who have influence on their care and reproduction. Charles Darwin recognized the small number of traits that made domesticated species different from their wild ancestors. He was also the first to recognize the difference between conscious selective breeding in which humans directly select for desirable traits, and unconscious selection where traits evolve as a by-product of natural selection or from selection on other traits. There is a genetic difference between domestic and wild populations. There is also such a difference between the domestication traits that researchers believe to have been essential at the early stages of domestication, and the improvement traits that have appeared since the split between wild and domestic populations.
1_Apprentice
Interesting! I never knew that. Are there many breeds of dogs? What's your favorite?
0_Wizard
Yes there are many species of dogs that vary widely in shape, size and colour! My favourite type of dog is a Seyomed. Do you have a favourite dog? 
Dogs vary widely in shape, size and colors.
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Dog
The domestic dog ("Canis lupus familiaris" or "Canis familiaris") is a member of the genus "Canis" (canines), which forms part of the wolf-like canids, and is the most widely abundant terrestrial carnivore. The dog and the extant gray wolf are sister taxa as modern wolves are not closely related to the wolves that were first domesticated, which implies that the direct ancestor of the dog is extinct. The dog was the first species to be domesticated and has been selectively bred over millennia for various behaviors, sensory capabilities, and physical attributes. Their long association with humans has led dogs to be uniquely attuned to human behavior and they are able to thrive on a starch-rich diet that would be inadequate for other canid species.
Dingo
The dingo ("Canis lupus dingo" or "Canis dingo") is a type of feral dog native to Australia. The first British colonists to arrive in 1788 established a settlement at Port Jackson and recorded dingoes living there with indigenous Australians. Although the dingo exists in the wild, it associates with humans but has not been selectively bred similarly to other domesticated animals. It is a medium-sized canid that possesses a lean, hardy body designed for speed, agility and stamina. The dingo's three main coat colours are described as being either light ginger (or tan), black and tan, or creamy white.
Origin of the domestic dog
The origin of the domestic dog is not clear. The domestic dog is a member of the genus "Canis", which forms part of the wolf-like canids, and is the most widely abundant terrestrial carnivore. The closest living relative of the dog is the extant gray wolf and there is no evidence of any other canine contributing to its genetic lineage. The dog and the extant gray wolf are sister taxa as modern wolves are not closely related to the wolves that were first domesticated. The archaeological record shows the first undisputed dog remains buried beside humans 14,700 years ago, with disputed remains occurring 36,000 years ago.
Evolution of the wolf
The evolution of the wolf occurred over a geologic time scale of 800 thousand years, transforming the first Middle Pleistocene wolf specimen that is recognized as being morphologically similar to "Canis lupus" into today's dog, dingo and gray wolf. Ecological factors including habitat type, climate, prey specialization and predatory competition has greatly influenced the wolf's genetic population structure and cranio-dental plasticity. Wolves went through a population bottleneck 20,000 years before present (YBP), which indicates that many wolf populations had gone extinct at a time that coincided with the Last Glacial Maximum and the expansion of modern humans worldwide with their technology for capturing large game.
Australian Cattle Dog
The Australian Cattle Dog (ACD), or simply Cattle Dog, is a breed of herding dog originally developed in Australia for droving cattle over long distances across rough terrain. This breed is a medium-sized, short-coated dog that occurs in two main colour forms. It has either brown or black hair distributed fairly evenly through a white coat, which gives the appearance of a "red" or "blue" dog. As with dogs from other working breeds, the Australian Cattle Dog is energetic and intelligent with an independent streak. It responds well to structured training, particularly if it is interesting and challenging.
Labrador Retriever
The Labrador Retriever, or just Labrador, is a type of retriever-gun dog. The Labrador is one of the most popular breeds of dog in Canada, the United Kingdom and the United States. A favourite disability assistance breed in many countries, Labradors are frequently trained to aid the blind, those who have autism, to act as a therapy dog, or to perform screening and detection work for law enforcement and other official agencies. Additionally, they are prized as sporting and hunting dogs. A few kennels breeding their ancestors, the St. John's water dog, were in England. At the same time, a combination of the sheep protection policy in Newfoundland and rabies quarantine in the United Kingdom, led to the gradual demise of the St. John's water dog in Canada.
Dog health
The health of dogs is a well studied area in veterinary medicine. Infectious diseases that affect dogs are important not only from a veterinary standpoint, but also because of the risk to public health; an example of this is rabies. Genetic disorders also affect dogs, often due to selective breeding to produce individual dog breeds. Due to the popularity of both commercial and homemade dog foods, nutrition is also a heavily studied subject. Some diseases and other health problems are common to both humans and dogs; others are unique to dogs and other animals. Dogs are susceptible to various diseases; similarly to humans, they can have diabetes, epilepsy, cancer, or arthritis.
1_Apprentice
My favorite is dachshund because that's the breed I have. They are so cute with their unique body shape. 
0_Wizard
Yes they are super cute, short-legged, long bodied, hounds!
The dachshund ( or or ) is a short-legged, long-bodied, hound-type dog breed.
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Dachshund
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Basset Hound
The Basset Hound is a short-legged breed of dog of the hound family. The Basset is a scent hound that was originally bred for the purpose of hunting hare. Their sense of smell and ability to ground-scent is second only to that of the Bloodhound. Basset Hounds are one of 6 recognised basset-type breeds in France. The name "Basset" is derived from the French word "bas", meaning "low", with the attenuating suffix "-et", together meaning "rather low". Basset Hounds are usually bicolours or tricolours of standard hound colouration. Bassets are large, short, solid and long, with curved sabre tails held high over their long backs.
Peugeot 402
The Peugeot 402 is a large family car produced in Sochaux, France from 1935 to 1942 by Peugeot. It was unveiled at the Paris Motor Show in 1935, replacing the Peugeot 401. The Peugeot 403, introduced approximately thirteen years after the demise of the 402, can be seen as the older car’s natural heir. (Immediately after World War II the market demanded smaller cars: Peugeot acknowledged this by concentrating during the late 1940s and early 1950s on their 202 and 203 models.) The 402 was characterized by what became during the 1930s a "typically Peugeot" front end, with headlights well set back behind the grille.
Mercedes-Benz W21
The Mercedes-Benz W 21 was a six-cylinder passenger car launched in 1933 using the name "Mercedes-Benz Typ 200". It was one of several Mercedes-Benz models known, in its own time, as the Mercedes-Benz 200 (or sometimes, in this case, as the Mercedes-Benz Typ(e) 200) and is therefore in retrospect more commonly referred to using its Mercedes-Benz works number, “W21”. The car was a development upmarket from the manufacturer’s W15, itself introduced two years earlier. The W21 replaced the (in its own day known as the Mercedes-Benz Typ(e) 200 “Stuttgart”) which the company had been manufacturing since 1928.
Fox hunting
Fox hunting is an activity involving the tracking, chase and, if caught, the killing of a fox, traditionally a red fox, by trained foxhounds or other scent hounds, and a group of unarmed followers led by a "master of foxhounds" ("master of hounds"), who follow the hounds on foot or on horseback. Fox hunting with hounds, as a formalised activity, originated in England in the sixteenth century, in a form very similar to that practised until February 2005, when a law banning the activity in England and Wales came into force. A ban on hunting in Scotland had been passed in 2002, but it continues to be within the law in Northern Ireland and several other countries, including Australia, Canada, France, Ireland, Italy, and the United States.
Dachshund
The dachshund ( or or ) is a short-legged, long-bodied, hound-type dog breed. The standard size dachshund was developed to scent, chase, and flush out badgers and other burrow-dwelling animals, while the miniature dachshund was bred to hunt smaller prey such as rabbits. In the United States, they have also been used to track wounded deer and hunt prairie dogs. Dachshunds also participate in conformation shows, field trials and many other events organized through pure-bred dog organizations such as the American Kennel Club (AKC). According to the AKC, the dachshund is ranked in 13th place in popularity amongst dog breeds in the United States.
Bloodhound
The Bloodhound is a large scent hound, originally bred for hunting deer, wild boar, and since the Middle Ages for tracking people. Believed to be descended from hounds once kept at the Abbey of Saint-Hubert, Belgium, it is known to French speakers as the "Chien de Saint-Hubert". This breed is famed for its ability to discern human scent over great distances, even days later. Its extraordinarily keen sense of smell is combined with a strong and tenacious tracking instinct, producing the ideal scent hound, and it is used by police and law enforcement all over the world to track escaped prisoners, missing people, lost children, and lost pets.
Scent hound
Scent hounds (or scenthounds) are a type of hound that primarily hunts by scent rather than sight. These breeds are hunting dogs and are generally regarded as having some of the most sensitive noses among canines. Hounds are hunting dogs that either hunt by following the scent of a game animal ("scenthounds") or by following the animal by sight (sighthounds). There are many breeds in the "scenthound type", and scenthounds may do other work as well, so exactly which breeds should be called "scenthound" can be controversial. Kennel clubs assign breeds of dogs to "Groups", which are loosely based on breed "types".