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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Ardea [alba or modesta]← | Ardea egretta American Egret |
Ardea egretta American Egret |
Herodias egretta Egret |
Casmerodius albus American Egret |
Casmerodius albus Common Egret |
Casmerodius albus Great Egret |
Ardea alba Great Egret |
Ardea alba Great Egret |
* Ardea alba | |
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Ardea alba [alba] | |
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Ardea alba alba | |
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Ardea alba melanorhynchos | |
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Ardea alba egretta | |
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Casmerodius albus egretta |
Casmerodius albus egretta |
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* Ardea modesta | |
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Ardea modesta (modesta) | |
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[Ardea modesta (maorianus)] | |
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