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The Unspotted Saw-whet Owl (Aegolius ridgwayi) is a small owl. It is a resident breeder in the highlands of Central America from southern Mexico south to western Panama, mainly above 2500 m. it has occasionally been considered conspecific with the Northern Saw-whet Owl. There are currently no recognized subspecies. Source: Wikipedia
Order:
Strigiformes
Family:
Strigidae
Genus:
Aegolius
Scientific:
Aegolius ridgwayi
Citation:
(Alfaro, 1905)
Reference:
Proc.Biol.Soc.Wash. p.217
Protonym:
Cryptoglaux ridgwayi
Avibase ID:
6439759F21396ADF
Short link:
https://avibase.ca/6439759F
Taxonomic Serial Number:
TSN: 686697
Geographic range:
Authorities recognizing this taxonomic concept:
American Ornithologists' Union 6th edition (1983): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 6th edition (incl. 35th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 6th edition (incl. 36th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 6th edition (incl. 37th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 6th edition (incl. 38th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 6th edition (incl. 39th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 6th edition (incl. 40th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 6th edition (incl. 41st suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (1998): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 42nd suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 43rd suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 44th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 45th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 46th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 47th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 48th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 49th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 50th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 51st suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 52nd suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 53rd suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 54th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 55th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 56th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 57th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 58th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 59th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 60th suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
American Ornithologists' Union 7th edition (incl. 61st suppl.): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Avibase taxonomic concepts (current): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Avibase taxonomic concepts v. 01 (August 2013): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Avibase taxonomic concepts v. 02 (May 2014): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Avibase taxonomic concepts v. 03 (March 2015): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Avibase taxonomic concepts v. 04 (Aug 2016): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Avibase taxonomic concepts v. 05 (Jan 2017): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Avibase taxonomic concepts v. 06 (Feb 2018): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Avibase taxonomic concepts v. 07 (Feb 2020): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Birdlife checklist version 00: Southern Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Birdlife checklist version 01: Southern Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Birdlife checklist version 02: Southern Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Birdlife checklist version 03: Southern Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Birdlife checklist version 04: Southern Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Birdlife checklist version 05 (Jun 2012): Southern Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Birdlife checklist version 05.1 (Oct 2012): Southern Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Birdlife checklist version 06 (Nov 2013): Southern Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Birdlife checklist version 06.1 (Feb 2014): Southern Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Birdlife checklist version 07 (Jul 2014): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Birdlife checklist version 08 (Oct 2015): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Birdlife checklist version 09 (Dec 2016): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Birdlife checklist version 09.1 (Jun 2017): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
HBW and BirdLife Taxonomic Checklist v2 (Dec 2017): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
HBW and BirdLife Taxonomic Checklist v3 (Nov 2018): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
HBW and BirdLife Taxonomic Checklist v4 (Dec 2019): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Commission internationale pour les noms français des oiseaux (1993, révision 2009): Nyctale immaculée ( Aegolius ridgwayi) [version 1] |
Commission internationale pour les noms français des oiseaux (1993): Nyctale immaculée ( Aegolius ridgwayi) [version 1] |
Clements 1st edition: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 3rd edition: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 4th edition: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 5th edition (as published): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 5th edition (incl. 2000 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 5th edition (incl. 2001 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 5th edition (incl. 2002 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 5th edition (incl. 2003 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 5th edition (incl. 2004 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 5th edition (incl. 2005 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 6th edition: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 6th edition (incl. 2007 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 6th edition (incl. 2008 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 6th edition (incl. 2009 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 6th edition (version 6.5 incl. 2010 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 6th edition (version 6.6 incl. 2011 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 6th edition (version 6.7 incl. 2012 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 6th edition (version 6.8 incl. 2013 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements 6th edition (version 6.9 incl. 2014 revisions): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements, version 2015: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements, version 2016: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements, version 2017: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements, version 2018: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Clements, version 2019: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
eBird version 1.50: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
eBird version 1.52: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
eBird version 1.53: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
eBird version 1.54: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
eBird version 1.55: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
eBird version 2015: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
eBird version 2016: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
eBird version 2017: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
eBird version 2018: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
eBird version 2019: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Howard and Moore 2nd edition: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Howard and Moore 2nd edition (incl. ? suppl): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Howard and Moore 3rd edition (as published): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 1.2): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 2.1): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 3.1): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 4): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 5): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 6): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 7): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 8): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Howard and Moore 4th edition (vol. 1-2): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Howard and Moore 4th edition (incl. corrigenda vol.1-2): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Handbook of the Birds of the World (vol 1-16): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Handbook of the Birds of the World and Birdlife (Dec 2017): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Handbook of the Birds of the World Alive (31/01/2015): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Handbook of the Birds of the World Alive (03/07/2017): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Handbook of the Birds of the World and Birdlife (Dec 2018): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 1.0: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 1.1: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 1.5: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 1.6: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 1.7: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 2.0: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 2.1: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 2.2: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 2.3: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 2.4: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 2.5: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 2.6: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 2.7: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 2.8: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 2.9: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 2.10: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 2.11: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 3.1: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 3.2: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 3.3: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 3.4: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 3.5: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 4.1: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 4.2: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 4.3: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 4.4: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 5.1: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 5.2: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 5.3: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 5.4: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 6.1: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 6.2: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 6.3: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 6.4: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 7.1: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 7.2: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 7.3: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 8.1: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 8.2: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 9.1: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 9.2: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 10.1: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
IOC World Bird Names, version 10.2: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Morony, Bock and Farrand: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
James Lee Peters: Aegolius ridgwayi [version 1] |
James Lee Peters (original): Aegolius ridgwayi [version 1] |
James Lee Peters (2nd edition): Aegolius ridgwayi [version 1] |
Sibley and Monroe 2nd edition (1996): Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Working Group Avian Checklists, version 0.01: Unspotted Saw-whet Owl ( Aegolius ridgwayi) [version 1] |
Zoonomen - Zoological Nomenclature Resource: Aegolius ridgwayi [version 1] |
Zoonomen - Zoological Nomenclature Resource: Aegolius ridgwayi [version 1] |
Taxonomic status:
Species status: full species (sometimes a subspecies)
This taxon is considered a subspecies of
Aegolius [acadicus or ridgwayi]
(sensu lato) by some authors
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Other synonyms
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