Northern Black Cloud Swift

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“Nephaecetes niger borealis. Northern Black Cloud Swift. Entire plumage sooty-black, with slight greenish gloss, little below than above, the feathers of head and belly with grayish edges. A velvety black area in front of eye; forehead hoary; eye-lids partly naked. Bill black; feet probably dusky-purplish in life.” Elliot Coues, 1884


Birds: S


Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)


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