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EGGS A bald eagle egg is slightly smaller than a domestic goose egg. The chick will measure 4 to 5 inches at hatching and weigh only a matter of ounces. Bald eagles incubate their eggs for about 35 days. They begin incubation as soon as the first egg is laid.The second egg usually appears within 36 to 72 hours after the first.Occasionally a clutch of 3 eggs will be produced.he chick will measure 4 to 5 inches at hatching and weigh only a matter of ounces. Bald eagles incubate their eggs for about 35 days. They begin incubation as soon as the first egg is laid. The second egg usually appears within 36 to 72 hours after the first. Occasionally a clutch of 3 eggs will be produced.
Golden eagles actually seem to prefer cliff nests. After mother eagles lay their eggs, they may sit on the nest for a long time before the eggs begin to hatch. the Golden eagle shown here may have to stay on the nest as long as 50 days. The job is sometimes shared by the father eagle.rom the time they hatch, it takes eagles 65 to 75 days to get ready to fly. During this time, their white downy coats are replaced by darker feathers. When there are young eagles in the nest, both of the parents have to do a lot of hunting.