The subspecies vary primarily in the amount of white on the cheeks/ear-coverts,wing-covertsand back.
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Wing-covertsare speckled grey to blackish, often with pronounced buff to rufous spots.
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The underwing-coverts, shoulders and inner webs of the quills are white.
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Unlike the male, the female also has whitish edging to the mantle andwing-coverts.
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