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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Trogon [viridis, chionurus or bairdii] | |
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Trogon [viridis or chionurus] | |
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Trogon viridis White-tailed Trogon |
Trogon viridis White-tailed Trogon |
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* Trogon viridis | |
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Trogon viridis viridis | |
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Trogon viridis melanopterus | |
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* Trogon chionurus | |
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Trogon chionurus White-tailed Trogon |
* Trogon bairdii← | |
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Trogon bairdii Baird's Trogon |
Trogon bairdii Baird's Trogon |
Trogon bairdii Baird's Trogon |
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