Why Were so Few Species Domesticated? (image) Washington University in St. Louis Caption Why weren't zebras ever domesticated? Baron Rothschild frequently drove a carriage pulled by zebras through the streets of 19th-century London. In "Guns Germs and Steel," Jared Diamond says the reason zebras were not domesticated is that they are extraordinarily vicious and will bite and not let go. But why weren't people able to modify this temperament if they were able to gentle wolves into dogs? Credit Out of copyright/Creative Commons license Usage Restrictions None -- public domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.