(Aquila chrysaetos) is one of the largest living terrestrial eagles in the northern hemisphere and next to the eagle's largest marine predator living in the Czech Republic. It has a large distribution area - inhabits North America, Europe, Asia and North Africa.

The golden eagle is a robust bird with a long tail, big and strong joints, strong beak, broad wings, which are among the fleet of space to achieve a higher lift in hovering. Colour and size are obviously vary according to several subspecies (see below). Like many other raptors are also in the female golden eagle is significantly larger than males. Plumage coloration ranges from black-brown to dark brown with a golden hue on top of head and neck, with whom he gained their English name of Golden Eagle (Golden Eagle). The back is also usually lighter than the lap portion of the body. Gender is another color different from each other. Young birds have light feathers on the wings and tail set them to disappear in the fifth year of life.