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So, artificial selection has produced a plethora of breeds in all sorts of species. Dogs are the most physically diverse species EVER due to human breeding. Cats, cattle, horses, goats, sheep, chickens, and so many other pet/farm animals have been altered to cater to human needs.
So guys, let's put on your imagination caps () and some up with some alternate breeds.
One I thought of recently was a breed of dog bred specifically to be a Seeing Eye Dog. Probably would be from the Grey Hound line (they have excellent vision), with large eyes and maybe a more robust build.