Your login:

Password:

Stay signed in

Enter your login name or your email address and click on Send reminder to receive a reminder by email.


Welcome Guest

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 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)
Aegolius [acadicus or ridgwayi]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
* Aegolius acadicus 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
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 (acadicus)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Aegolius acadicus acadicus (brodkorbi)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Aegolius acadicus acadicus (scotaea)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Aegolius acadicus brooksi  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
* Aegolius ridgwayi Aegolius ridgwayi
Southern Saw-whet Owl
Aegolius ridgwayi
Southern Saw-whet Owl
Aegolius ridgwayi
Southern Saw-whet Owl
Aegolius ridgwayi
Southern Saw-whet Owl
Aegolius ridgwayi
Southern 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 tacanensis  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Aegolius ridgwayi rostratus  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Avibase has been visited 310,037,381 times since 24 June 2003. © Denis Lepage | Privacy policy