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Red-naped Sapsucker (Sphyrapicus nuchalis) Baird,SF, 1858
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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. 54th suppl.)
Sphyrapicus [varius, nuchalis or ruber]  
 
 
 
 
 
Sphyrapicus varius
Yellow-bellied Sapsucker
Sphyrapicus varius
Yellow-bellied Sapsucker
 
 
 
 
 
 
Sphyrapicus [varius or nuchalis] Sphyrapicus varius
Yellow-bellied Sapsucker
Sphyrapicus varius
Yellow-bellied Sapsucker
Sphyrapicus varius
Yellow-bellied Sapsucker
 
 
 
 
Sphyrapicus varius
Yellow-bellied Sapsucker
 
 
 
 
* Sphyrapicus varius  
 
 
 
 
 
 
 
 
 
 
 
Sphyrapicus varius
Yellow-bellied Sapsucker
Sphyrapicus varius
Yellow-bellied Sapsucker
Sphyrapicus varius (varius) Sphyrapicus varius varius
 
Sphyrapicus varius varius
 
Sphyrapicus varius varius
 
Sphyrapicus varius varius
 
Sphyrapicus varius varius
 
 
 
 
 
 
 
[Sphyrapicus varius (appalachiensis)]  
 
 
 
 
 
 
 
Sphyrapicus varius appalachiensis
 
 
 
 
 
 
 
* Sphyrapicus nuchalis Sphyrapicus varius nuchalis
 
Sphyrapicus varius nuchalis
 
Sphyrapicus varius nuchalis
 
Sphyrapicus varius nuchalis
 
Sphyrapicus varius nuchalis
 
 
 
Sphyrapicus nuchalis
Red-naped Sapsucker
Sphyrapicus nuchalis
Red-naped Sapsucker
* Sphyrapicus ruber Sphyrapicus ruber
Red-breasted Sapsucker
Sphyrapicus ruber
Red-breasted Sapsucker
Sphyrapicus ruber
Red-breasted Sapsucker
 
 
 
 
Sphyrapicus ruber
Red-breasted Sapsucker
Sphyrapicus ruber
Red-breasted Sapsucker
Sphyrapicus ruber
Red-breasted Sapsucker
Sphyrapicus ruber ruber  
 
 
 
Sphyrapicus ruber ruber
 
Sphyrapicus varius ruber
 
Sphyrapicus varius ruber
 
 
 
 
 
 
 
Sphyrapicus ruber daggetti  
 
 
 
 
 
Sphyrapicus varius daggetti
 
Sphyrapicus varius daggetti
 
 
 
 
 
 
 
[Sphyrapicus ruber (notkensis)]  
 
 
 
Sphyrapicus ruber notkensis
 
 
 
 
 
 
 
 
 
 
 

 

         

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