Before you acquire your first German shepherd dog, it is worth knowing its background information. As the name implies, this breed originated from Germany and it was mainly introduced and bred for herding sheep. They are intelligent, obedient, and loyal, possess protective instincts and have massive strength.
A black German shepherd is the most intelligent dog besides Border Collies and Poodles. Their intelligence has made them easy to train new tricks and instill vital instructions, in fact, they obey 95% of their first training instruction. For this reason, they are widely used by police, search and rescue teams as well as military.
Black German shepherds are big with males weighing up to 88 pounds and females 70 pounds. Females have an average size of 21-24 inches while males have an average size of 24-26 inches. When it comes to power, they are strong with a bite equaling 220 pounds or even more putting them in the caliber of Pit bulls and Rottweiler dogs.
The average lifespan of this type of dog is 9.5 years with some living up to 15 years. I have a 13-year old German shepherd and he looks more energetic and healthy to live longer. They account to 5% of all registered dog breeds making them the most popular dog.