Handbook of Birds of Eastern North America

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.

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Remarks (Intermediates between this)

Intermediates between this and the Bronzed Grackle are found where their ranges adjoin, but typical quiscula always has iridescent bars on the feathers of the back, rump, and belly, while in æneus these bars are wanting. (On the relationships of this group see Chapman, Bull. Am. Mus. Nat. Hist., iv, 1892, pp. 1-20.)

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