sentences:  The long, straight and powerful hallux-claw (hind claw) can range from , about one centimetre longer than in a bald eagle and a little more than one centimetre less than a harpy eagle.Adults of both sexes have similar plumage and are primarily dark brown, with some grey on the inner wing and tail, and a paler, typically golden colour on the back of the crown and nape that gives the species its common name.Unlike other "Aquila" species, where the tarsal feathers are typically similar in colour to the rest of the plumage, the tarsal feathers of golden eagles tend to be paler, ranging from light golden to white.