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3 天前 · The 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. The domestication of the dog was the process which led to the domestic dog
5 天前 · Caroline Coile The Editors of Encyclopaedia Britannica. The German Shepherd is a breed of working dog developed in Germany from traditional herding and farm dogs. Strongly built and relatively long-bodied, it stands 22 to 26 inches (56 to 66 cm) tall at the withers and weighs 75 to 95 pounds (34 to 43 kg).
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4 天前 · Wolf. The wolf ( Canis lupus; [b] pl.: wolves ), also known as the gray wolf or grey wolf, is a large canine native to Eurasia and North America. More than thirty subspecies of Canis lupus have been recognized, including the dog and dingo, though gray wolves, as popularly understood, only comprise naturally-occurring wild subspecies.
4 天前 · The first guide dog was issued in 1916 to a blinded veteran, Paul Feyen. Within a year there were 100 guide dogs issued and 539 guide dogs had been issued by 1919. In 1922, the first classes for civilian blind men commenced. By that stage there were complaints that the quality of the dogs had fallen.
5 天前 · The Kuri ( Wikipedia) The Chiribaya Dog ( Wikipedia) The Molosser ( Wikipedia) The Hare Indian Dog ( Wikipedia) Primitive Dog Breeds. This category of dogs is most closely related to the term...
11 小時前 · The cat (Felis catus), commonly referred to as the domestic cat or house cat, is a small domesticated carnivorous mammal. It is the only domesticed species in the family Felidae. Recent advances in archaeology and genetics have shown that the domestication of the cat occurred in the Near East around 7500 BC. It is commonly kept as a house pet ...
3 天前 · mammal, (class Mammalia), any member of the group of vertebrate animals in which the young are nourished with milk from special mammary glands of the mother. In addition to these characteristic milk glands, mammals are distinguished by several other unique features. Hair is a typical mammalian feature, although in many whales it has disappeared ...
