20 to 30 years.
Q. About how long does it take for the bald eagle's eggs to hatch and how long until it can fly? A. It takes 35 days to hatch, then young in nest 10-12 weeks more unti lthey fledge (fly from nest). Q. How old are they before young eagles can fly? A. At 10-12 weeks, when they leave their nest. Q. About how long does it take for the bald eagle's eggs to hatch and how long until it can fly? A. It takes 35 days to hatch, then young in nest 10-12 weeks more unti lthey fledge (fly from nest). In the wild, Bald Eagles typically live about 20-30 years, but can realize a life span of approximately 50 years. Banded wild bald eagles usually die before they turn 30, but a 31-year-old banded female corpse was discovered in Wisconsin on May 16, 2008 (see Resources). According to the American Bald Eagle Foundation, fewer than 10 percent of bald eaglets survive until sexual maturity. How long do eagles live? In the wild, an eagle that makes it to adulthood might live 20-25 years. 70-80% of eagles die before they reach adulthood at five years of age. 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. Size varies with geography and gender with females being larger than males and northern birds being larger than southern birds. The average female bald eagle is 35 to 38 inches (89cm-96.5 cm) in length and is approximately 25% larger than the male. The bald eagle (Haliaeetus leucocephalus) lives an average of 20 to 30 years. According to the Philadelphia Zoo, the oldest bald eagle known lived to be 47 years old. That was a captive bald eagle. However, in the wild, bald eagles do not often live out their full lifespan as they face many threats.
http://www.learner.org/jnorth/www/critters/eagle/826572782.html http://www.learner.org/jnorth/tm/eagle/facts_life_cycle.html http://www.answers.com/Q/How_long_can_bald_eagles_live http://www.ehow.com/facts_5408777_long-american-bald-eagles-live_.html http://www.nationaleaglecenter.org/learn/biology/ http://www.nationaleaglecenter.org/learn/biology/ http://www.ehow.com/facts_5408777_long-american-bald-eagles-live_.html
how long do bald eagles live