Why are Doberman's ears cropped and tails docked? Well, being a guard dog for police, their floppy ears were more prone to getting torn in rough situations. So, their ears were cropped and made to stand upright, which was also believed to improve their hearing. And their tails are naturally long and thin, making them prone to breaking during highintensity activities. So their tails were docked which ultimately gives them that sharp classic Doberman