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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
Eagle eggs are slightly larger and more round than chicken eggs. They are off-white and unmarked. Incubation lasts for 35 days. The egg is expected to hatch March 26. âSheâs almost certain to lay a second egg,â said Mr. Mulvihill. One egg survived last year, but bald eagles generally lay two to three eggs per clutch.The female is expected to lay another egg in two to three days.Bald eagles mate for life.The female, slightly larger than the male, will spend much of the next four weeks incubating the egg, but is expected to leave the nest occasionally.he female is expected to lay another egg in two to three days. Bald eagles mate for life. The female, slightly larger than the male, will spend much of the next four weeks incubating the egg, but is expected to leave the nest occasionally.