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Wilson, Alexander, 1766-1813. / American ornithology; or The natural history of the birds of the United States
(1829)
Species 22. Anas clangula. Golden eye, pp. [360]-362
Page 362
362 GOLDEN EYE. bottom of this labyrinth, as it has been called, the trachea branches off to the two lobes of the lungs; that branch which goes to the left lobe being three times the diameter of the right. The female has nothing of all this. The intestines measure five feet in length, and are large and thick. I have examined many individuals of this species, of both sexes and in various stages of colour, and can therefore affirm, with certainty, that the foregoing descriptions are correct. Eu- ropeans have differed greatly in their accounts of this bird, from finding males in the same garb as the females; and other full plumaged males destitute of the spot of white on t, cheek; but all these individuals bear such evident marks of belonging to one peculiar species, that no judicious naturalist, with all these varieties before him. can long hesitate to pronounce them the same.
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