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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 Clements 1st editionClements 3rd editionClements 4th editionClements 5th edition (as published)Clements 6th editionClements, version 2019
Aegolius [acadicus or ridgwayi]  
 
 
 
 
 
 
 
 
 
 
 
* Aegolius acadicus Aegolius acadicus
Saw-whet Owl
Aegolius acadicus
Saw-whet Owl
Aegolius acadicus
Northern Saw-whet Owl
Aegolius acadicus
Northern Saw-whet Owl
Aegolius acadicus
Northern Saw-whet Owl
Aegolius acadicus
Northern Saw-whet Owl
Aegolius acadicus acadicus  
 
 
 
 
 
Aegolius acadicus acadicus
 
Aegolius acadicus acadicus
 
Aegolius acadicus acadicus
 
Aegolius acadicus acadicus (acadicus)  
 
 
 
 
 
 
 
 
 
 
 
[Aegolius acadicus acadicus (brodkorbi)]  
 
 
 
 
 
 
 
 
 
 
 
[Aegolius acadicus acadicus (scotaea)]  
 
 
 
 
 
 
 
 
 
 
 
Aegolius acadicus brooksi  
 
 
 
 
 
Aegolius acadicus brooksi
 
Aegolius acadicus brooksi
 
Aegolius acadicus brooksi
 
* Aegolius ridgwayi Aegolius ridgwayi
Unspotted Saw-whet Owl
Aegolius ridgwayi
Unspotted Saw-whet Owl
Aegolius ridgwayi
Unspotted Saw-whet Owl
Aegolius ridgwayi
Unspotted Saw-whet Owl
Aegolius ridgwayi
Unspotted Saw-whet Owl
Aegolius ridgwayi
Unspotted Saw-whet Owl
Aegolius ridgwayi ridgwayi  
 
 
 
 
 
Aegolius ridgwayi ridgwayi
 
Aegolius ridgwayi ridgwayi
 
Aegolius ridgwayi ridgwayi
 
Aegolius ridgwayi tacanensis  
 
 
 
 
 
Aegolius ridgwayi tacanensis
 
Aegolius ridgwayi tacanensis
 
Aegolius ridgwayi tacanensis
 
Aegolius ridgwayi rostratus  
 
 
 
 
 
Aegolius ridgwayi rostratus
 
Aegolius ridgwayi rostratus
 
Aegolius ridgwayi rostratus
 

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