How does the upper side coloration of the adult female Eastern Bluebird compare to the male?

Answer

She is described as being grayish on the upper side, though her wings and tail retain blue coloration

While the male Eastern Bluebird is famously bluish above, the female is more subdued, having a grayish upper side, although blue persists in her wings and tail.

How does the upper side coloration of the adult female Eastern Bluebird compare to the male?
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