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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 Birdlife checklist version 02Birdlife checklist version 03Birdlife checklist version 04Birdlife checklist version 05 (Jun 2012)Birdlife checklist version 06 (Nov 2013)Birdlife checklist version 07 (Jul 2014)Birdlife checklist version 08 (Oct 2015)Birdlife checklist version 09 (Dec 2016)
* Polioptila caerulea Polioptila caerulea
Blue-grey Gnatcatcher
Polioptila caerulea
Blue-grey Gnatcatcher
Polioptila caerulea
Blue-grey Gnatcatcher
Polioptila caerulea
Blue-grey Gnatcatcher
Polioptila caerulea
Blue-grey Gnatcatcher
Polioptila caerulea
Blue-grey Gnatcatcher
Polioptila caerulea
Blue-grey Gnatcatcher
Polioptila caerulea
Blue-grey Gnatcatcher
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 {obscura or gracilis}  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Polioptila caerulea obscura (obscura)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Polioptila caerulea obscura (gracilis)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Polioptila caerulea obscura (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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