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
Keywords
migratory birds, birds, ornithology, insectivorous, North American birds, aerial birds, passerine birds, Nephaecetes niger borealis, Northern Black Cloud SwiftGalleries
Birds: SSource
Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)
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