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Unspotted Saw-whet Owl

Aegolius ridgwayi (Alfaro, 1905)

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         
Aegolius [acadicus or ridgwayi]  
* Aegolius acadicus  
Aegolius acadicus acadicus  
Aegolius acadicus acadicus (acadicus)  
[Aegolius acadicus acadicus (brodkorbi)]  
[Aegolius acadicus acadicus (scotaea)]  
Aegolius acadicus brooksi  
* Aegolius ridgwayi  
Aegolius ridgwayi ridgwayi  
Aegolius ridgwayi tacanensis  
Aegolius ridgwayi rostratus  

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