What is an American Great Dane?

An American Great Dane is actually a German breed of dog whose origin dates back to the Middle Ages. It is one of the giant working dogs, often used in hunting and as a guardian, and is one of the tallest breeds, according Animal Planet.

The ideal American Great Dane's should have a head that is rectangular and long and a forehead that is set off sharply from the bridge of the nose, according to the standards set by the Great Dane Club of America. These dogs are powerful, but they are also sensitive, gentle, loving and responsive to training.