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How Big Are Bald Eagle Eggs?

Published in Bald Eagle Eggs 2 mins read

Bald eagle eggs are on average 2.9 inches long and 2.2 inches wide, with an approximate weight of 125 grams or 4.4 ounces.

These impressive eggs are comparable in size to a tennis ball, though they possess an distinct oval shape rather than being perfectly round. Their dimensions are perfectly suited to house the developing eaglet, providing adequate space and nutrients for growth within the nest.

Key Measurements of Bald Eagle Eggs

Understanding the specific dimensions can help visualize the size of these vital components of the bald eagle's reproductive cycle. The following table summarizes the typical measurements:

Measurement Imperial Units Metric Units
Length 2.9 inches Approx. 7.4 cm
Width 2.2 inches Approx. 5.6 cm
Weight 4.4 ounces 125 grams

Comparing Bald Eagle Egg Size

When considering the size of bald eagle eggs, it's helpful to have a common reference point. The eggs are often described as:

  • Just a tad smaller than a tennis ball, highlighting their substantial size.
  • Oval in shape, distinguishing them from the spherical tennis ball, which is crucial for optimal incubation and preventing them from rolling out of the nest easily.

This robust size ensures the eaglet has enough space and yolk reserves to develop properly before hatching, typically after about 35 days of incubation.