Species concept | American Ornithologists' Union 1st edition (1886) | American Ornithologists' Union 2nd edition (1895) | American Ornithologists' Union 3rd edition (1910) | American Ornithologists' Union 4th edition (1931) | American Ornithologists' Union 5th edition (1957) | American Ornithologists' Union 6th edition (1983) | American Ornithologists' Union 7th edition (1998) | American Ornithologists' Society 7th edition (incl. 62nd suppl.) |
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* Bucephala clangula← | Glaucionetta clangula American Golden-eye |
Glaucionetta clangula American Golden-eye |
Clangula clangula Golden-eye |
Glaucionetta clangula American Golden-eye |
Bucephala clangula Common Goldeneye |
Bucephala clangula Common Goldeneye |
Bucephala clangula Common Goldeneye |
Bucephala clangula Common Goldeneye |
Bucephala clangula clangula | |
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Glaucionetta clangula clangula |
Bucephala clangula clangula |
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Bucephala clangula americana | Glaucionetta clangula americana |
Glaucionetta clangula americana |
Clangula clangula americana |
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Bucephala clangula americana |
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