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How many eggs does an average bald eagle lay in a lifetime? The average Bald Eagle clutch size is just under 2 eggs / clutch (1.9). If we assume that a female eagle begins nesting at age 5, and lives until she is 25, she will have 20 years of egg-laying. There is no evidence that a healthy eagle reduces egg-laying as she gets older. So 2 eggs/year x 20 years = 40 eggs in her lifetime. â PN
Why do Bald Eagles have such big, strong nests when they have only two small eggs? Bald Eagles are about 3 feet (90 centimeters) from their head to their tail and before the nestlings leave the nest, they become as large as their parents and need a lot of room for their 6 foot (1.8 metre) wingspan.he first egg laid will be the first egg to hatch and therefore the oldest eaglet may be a little larger and better able to fight for food than the younger ones. How long do the nestlings stay in the nest? When do they learn to fly? Eaglets stay in the nest and are fed by their parents for 12 to 14 weeks.