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Blue-grey Gnatcatcher

Polioptila caerulea (Linnaeus, 1766)

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' Society 7th edition (incl. 62nd suppl.)
* Polioptila caerulea Polioptila caerulea
Blue-gray Gnatcatcher
Polioptila caerulea
Blue-gray Gnatcatcher
Polioptila caerulea
Blue-gray Gnatcatcher
Polioptila caerulea
Blue-gray Gnatcatcher
Polioptila caerulea
Blue-gray Gnatcatcher
Polioptila caerulea
Blue-gray Gnatcatcher
Polioptila caerulea
Blue-gray Gnatcatcher
Polioptila caerulea
Blue-gray Gnatcatcher
Polioptila caerulea [caerulea]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Polioptila caerulea caerulea  
 
Polioptila caerulea caerulea
 
Polioptila caerulea caerulea
 
Polioptila caerulea caerulea
 
Polioptila caerulea caerulea
 
 
 
 
 
 
 
Polioptila caerulea caerulea (caerulea)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Polioptila caerulea caerulea (comiteca)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Polioptila caerulea caesiogaster  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Polioptila caerulea [obscura]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Polioptila caerulea obscura  
 
Polioptila caerulea obscura
 
Polioptila caerulea obscura
 
 
 
 
 
 
 
 
 
 
 
Polioptila caerulea obscura {obscura or gracilis}  
 
 
 
 
 
Polioptila caerulea obscura
 
Polioptila caerulea obscura
 
 
 
 
 
 
 
Polioptila caerulea obscura (obscura)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Polioptila caerulea obscura (gracilis)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Polioptila caerulea obscura (amoenissima)]  
 
 
 
 
 
Polioptila caerulea amoenissima
 
Polioptila caerulea amoenissima
 
 
 
 
 
 
 
Polioptila caerulea nelsoni  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Polioptila caerulea [deppei or perplexa, excl. mexicana]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Polioptila caerulea deppei  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Polioptila caerulea deppei (deppei)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Polioptila caerulea deppei (mexicana)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Polioptila caerulea perplexa  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Polioptila caerulea cozumelae  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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