She was found as an adult in December of 1999. A presentation entitled “The Rebirth of the Eagle” (or “The Story of the Eagle”) began hitting the inbox in May 2007. How do you determine a bald eagle's age? By plumage until they are 5 years old, then after that you cannot age them. Q. A. The eRumor says that eagles can live to be 70, but in order to reach that age it makes a painful decision in its 40s. [/av_toggle] [av_toggle title=’Where do Golden Eagles Build their nests?’ tags=” av_uid=’av-198y9ww’] Because Golden Eagles are found in so many continents, where they nest depends on where they live. Although they scavenge less often than Bald Eagles, they will eat carrion of deer and elk, especially in winter. This magnificent bird is widespread in the wilder country of North America, Europe, and Asia. Q. Male age is unknown, but because they can keep their juvenile feathers for up to five years he was estimated to be hatched in 1995. Golden Eagles eat mostly mid-sized mammals, especially marmots, rabbits, and ground squirrels. They avoid developed areas and uninterrupted stretches of forest. Golden Eagles live in open and semiopen country featuring native vegetation across most of the Northern Hemisphere. What do they look like? How long does the bald eagle live? Female age is unknown. About the same size as the Bald Eagle, the Golden is less of a scavenger and more of a predator, regularly taking prey up to the size of foxes and cranes. In captivity, eagles are known to live much longer, 40+ and up to 50 years, due to a controlled environment, nutrient rich diet and veterinary care. They are found primarily in mountains up to 12,000 feet, canyonlands, rimrock terrain, and riverside cliffs and bluffs. Some eagles in captivity have lived up to 50 years, but in the wild they would not live as long. The golden eagle is long-lived, with a life span in the wild up to 38 years and up to 50 years in captivity. They also prey on birds, including the Rock Doves that inhabit their nesting area. One of the most distinguishable features of the golden eagle is its enormous size. Measuring 75 to 90 centimeters (2.5 to 3 feet) in length , the golden eagle has a wingspan from 1.9 to 2.3 meters (6.2 to 7.4 feet) . Males and females look similar, but females are much larger than males. Typically in the wild probably between 20-30 years. In the wild, 70-80% of eagles die before they reach adulthood at five years of age. The largest Golden Eagle nest on record was 20 feet tall and 8 1/2 feet wide. Fun Facts about Golden Eagles. A. At that time the eagle goes through a 150-day change that extends the eagle’s life that includes breaking off the beak and feathers so new ones can grow. Description of the Golden Eagle. An eagle that makes it to adulthood might live 20-25 years. Golden eagles are North America's largest predatory bird. Their length ranges from 70 to 84 cm, and their wingspan ranges from 185 to 220 cm. The halux talon of a Golden Eagle is as long as a grizzly bear’s claw – approximately 3 inches long. Though size differs by subspecies, these eagles are typically weigh from 8-11 lbs., and have a 6-9 ft. wingspan. They are dark brown raptors with long, broad wings. Q. Birth Date.