Why Are There So Many Breeds Of Dogs
Camila Farah
Evolution of the dog.
There are many types of mastiffs including the japanese tosu inu. Bernard and greyhound dogs come in such startling variety it s easy to forget they belong to the same species the profusion of breeds today at least. Akita breed dogs are active and need exercise so it is best to have a larger yard with a higher fence. Total number available for adoption.
From pekingese to st. Body size was found to be largely explained by differences in a single gene among dog breeds. The dogs we see today come in a wide variety of shapes sizes and colors. People needed help from their canine companions to run down prey the greyhounds were selectively bred.
Why don t pedigreed cats show the same extremes in body size and shape as dog breeds do. Champion cats are show stopping stunners currently there are 42 recognized cat breeds in the u s. Turns out there are 190 recognized dog breeds in the us and only 42 cat breeds. Some dogs were bred for their looks and used as a status of wealth.
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It can be hard to imagine that so many different types of dogs actually came from one ancestor the gray wolf although there is some uncertainty as to exactly what area of the world dogs came from and exactly when they made the change from wolf to dog certain dna tests have placed east asia as the homeland of dogs. Many so called cryptic species. Unfortunately goldie is not alone at this very moment india has the highest number of stray dogs in the world somewhere around 30 million this number is rapidly increasing according to the bbc and as the stray dog population grows so do the problems associated with it dog bites rabies around 20 000 human deaths per year and noise pollution to name a few.
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