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Remarks (Males of this)
The males of this and the preceding species may always be distinguished by the difference in the color of the head and size and shape of the white spot at the base of the bill.
The book that made American bird-watching possible in the field: keys, plumages, songs and habits for every species of the East, by the man who ran ornithology at the American Museum.
Home › R › Remarks (Males of this)
The males of this and the preceding species may always be distinguished by the difference in the color of the head and size and shape of the white spot at the base of the bill.