How does the Gambel's Sparrow subspecies typically differ from the nominate subspecies regarding its crown stripes?
Answer
It tends to show narrower black stripes with a grayish or brownish wash evident in the white stripes themselves
The Gambel's Sparrow shows narrower black stripes and often has a faint dusky wash within the white stripes, unlike the nominate subspecies' broader, cleaner stripes.
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