Oh excellent, I didn't realize the curve of the tail was an indicator as well, but that makes sense. As for the patchiness in color that was mentioned, I seen elsewhere that EE pullets tend to have more neutral and subtle color schemes, is that true?
Yep. From my own experiences with EEs. The most gorgeous calico colored ones are always roosters. Sometimes they'll have deep brick red patches on their shoulders. Sometimes these patches will be silver instead because something in their background bleaches out the red.