Besides the crown, what distinguishing facial feature is often noted on the White-crowned Sparrow's face?

Answer

A relatively plain face, often showing a pale eye-ring

While focusing on the crown is important, relying solely on it can lead to misidentification among numerous brown sparrows. A useful non-crown characteristic for quick confirmation is the facial appearance. White-crowned Sparrows typically possess a relatively plain face, which often includes a pale eye-ring. This plainness distinguishes them from highly streaked species, such as the Savannah Sparrow, where streaking is more pervasive across the face. This subtlety, combined with the clean breast, contributes to the overall physical picture.

Besides the crown, what distinguishing facial feature is often noted on the White-crowned Sparrow's face?
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