Ravens and crows - it's not a male and female bird and two different types of Bashny.Net

Raven - one of the largest members of the order. The body length of 60-65 cm. In comparison with the Crow Crow bigger and smarter - the raven is considered one of the most intelligent birds. Prefers to live in the forest and mountainous areas, this species is widely distributed throughout the world.

Ravens also divided into several types, the most common: the gray and black crow. Crows are omnivores, different cunning and savvy, get along well with people and are typically urban birds.

via factroom.ru