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Yellow-crowned Night-Heron

Nyctanassa violacea (Linnaeus, 1758)

You can select up to 8 checklists to perform a comparison of taxonomic authorities for this taxon and related concepts:

You can also use one of the pre-defined group of taxonomic authorities below:

The table provided below compares authorities for this taxon and related concept. Names in red are those that differ from the name in the column located immediately to the left.
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' Union 7th edition (incl. 60th suppl.)
* Nyctanassa violacea Nycticorax violaceus
Yellow-crowned Night Heron
Nyctanassa violaceus
Yellow-crowned Night Heron
Nyctanassa violacea
Yellow-crowned Night Heron
Nyctanassa violacea
Yellow-crowned Night Heron
Nyctanassa violacea
Yellow-crowned Night Heron
Nycticorax violaceus
Yellow-crowned Night-Heron
Nyctanassa violacea
Yellow-crowned Night-Heron
Nyctanassa violacea
Yellow-crowned Night-Heron
Nyctanassa violacea [violacea]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Nyctanassa violacea [violacea or cayanensis]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Nyctanassa violacea violacea  
 
 
 
 
 
Nyctanassa violacea violacea
 
Nyctanassa violacea violacea
 
 
 
 
 
 
 
Nyctanassa violacea cayennensis  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Nyctanassa violacea bancrofti  
 
 
 
 
 
Nyctanassa violacea bancrofti
 
Nyctanassa violacea bancrofti
 
 
 
 
 
 
 
Nyctanassa violacea bancrofti (bancrofti)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Nyctanassa violacea bancrofti (gravirostris)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Nyctanassa violacea caliginis  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Nyctanassa violacea pauper  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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