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. 63rd suppl.) |
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* Anser brachyrhynchus← | |
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Anser brachyrhynchus Pink-footed Goose |
Anser brachyrhynchus Pink-footed Goose |
Anser fabalis brachyrhynchus |
Anser brachyrhynchus Pink-footed Goose |
Anser brachyrhynchus Pink-footed Goose |
Anser brachyrhynchus Pink-footed Goose |
Anser [fabalis, serrirostris or brachyrhynchus] | |
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Anser fabalis Bean Goose |
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Anser [fabalis or serrirostris] | |
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Anser fabalis Bean Goose |
Anser fabalis Bean Goose |
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Anser fabalis Bean Goose |
Anser fabalis Bean Goose |
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* Anser fabalis | |
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Anser fabalis Taiga Bean-Goose |
Anser fabalis fabalis | |
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Anser fabalis [middendorffii or johanseni] | |
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Anser fabalis middendorffii | |
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Anser fabalis middendorffii (middendorffii) | |
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[Anser fabalis middendorffii (sibiricus)] | |
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Anser fabalis sibiricus |
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Anser fabalis johanseni | |
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* Anser serrirostris | |
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Anser serrirostris Tundra Bean-Goose |
Anser serrirostris serrirostris | |
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Anser serrirostris serrirostris (serrirostris) | |
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Anser fabalis serrirostris |
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[Anser serrirostris serrirostris (curtus)] | |
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Anser serrirostris rossicus | |
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Anser fabalis [incl. rossicus] | |
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