They can be distinguished in all plumages from the Bald Eagle by the completely feathered tarsus. [Please select]
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Natal plumages and downy pteryloses of passerine birds of North America. [Please select]
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The sequence of plumages and moults of the passerine birds of New York. [Please select]
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Like most gaily costumed birds the plumages of many Tanagers undergo striking changes in color with age and season. [Please select]
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Plumages in all specimens are worn and for that reason specimens were not identified to subspecies. [Please select]
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The plumages that have been described are the light phases; all the Jægers have a dark phase in which the plumage is a nearly uniform sooty brown, lightest below. [Please select]
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