The willow flycatcher is a small insect-eating, neotropical migrant bird of the tyrant flycatcher family. There are four subspecies of the willow flycatcher currently recognized, all of which breed in North America. Empidonax flycatchers are almost impossible to tell apart in the field so biologists use their songs to distinguish between them. The binomial commemorates the Scottish zoologist Thomas Stewart Traill. Source: Wikipedia
Citation:
(Audubon, JJ 1828)
Reference:
Birds Amer.
1 pl.45 1831Orn.Biogr. 1 p.236
Protonym:
Muscicapa traillii
Type locality:
woods along prairie lands of Arkansas River.
Link:
https://biodiversitylibrary.org/page/33239030
Avibase ID:
5BC4E0EFAB129B9D
Avibase ID:
avibase-5BC4E0EF
Short link:
https://avibase.ca/5BC4E0EF
Taxonomic Serial Number:
TSN: 178341
Geographic range:
Authorities recognizing this taxonomic concept:
American Ornithologists' Union 3rd edition (1910): Empidonax trailli trailli [version 1] |
American Ornithologists' Union 3rd edition (incl. 16th suppl.): Empidonax trailli trailli [version 1] |
American Ornithologists' Union 3rd edition (incl. 17th suppl.): Empidonax trailli trailli [version 1] |
American Ornithologists' Union 3rd edition (incl. 18th suppl.): Empidonax trailli trailli [version 1] |
American Ornithologists' Union 5th edition (incl. 32nd suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 5th edition (incl. 33rd suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 5th edition (incl. 34th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 6th edition (1983): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 6th edition (incl. 35th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 6th edition (incl. 36th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 6th edition (incl. 37th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 6th edition (incl. 38th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 6th edition (incl. 39th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 6th edition (incl. 40th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 6th edition (incl. 41st suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (1998): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 42nd suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 43rd suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 44th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 45th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 46th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 47th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 48th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 49th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 50th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 51st suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 52nd suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 53rd suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 54th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 55th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 56th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Union 7th edition (incl. 57th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Society 7th edition (incl. 58th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Society 7th edition (incl. 59th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Society 7th edition (incl. 60th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Society 7th edition (incl. 61st suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Society 7th edition (incl. 61st suppl. and addendum): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Society 7th edition (incl. 62nd suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Society 7th edition (incl. 63rd suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Society 7th edition (incl. 64th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
American Ornithologists' Society 7th edition (incl. 65th suppl.): Willow Flycatcher ( Empidonax traillii) [version 1] |
Avibase taxonomic concepts (current): Willow Flycatcher ( Empidonax traillii) [version 1] |
Avibase taxonomic concepts v. 2023 (May 2023): Willow Flycatcher ( Empidonax traillii) [version 1] |
Avibase taxonomic concepts v. 2024 (Oct 2024): Willow Flycatcher ( Empidonax traillii) [version 1] |
Avibase taxonomic concepts v. 01 (August 2013): Willow Flycatcher ( Empidonax traillii) [version 1] |
Avibase taxonomic concepts v. 02 (May 2014): Willow Flycatcher ( Empidonax traillii) [version 1] |
Avibase taxonomic concepts v. 03 (March 2015): Willow Flycatcher ( Empidonax traillii) [version 1] |
Avibase taxonomic concepts v. 04 (Aug 2016): Willow Flycatcher ( Empidonax traillii) [version 1] |
Avibase taxonomic concepts v. 05 (Jan 2017): Willow Flycatcher ( Empidonax traillii) [version 1] |
Avibase taxonomic concepts v. 06 (Feb 2018): Willow Flycatcher ( Empidonax traillii) [version 1] |
Avibase taxonomic concepts v. 07 (Feb 2020): Willow Flycatcher ( Empidonax traillii) [version 1] |
Avibase taxonomic concepts v. 08 (Feb 2021): Willow Flycatcher ( Empidonax traillii) [version 1] |
Birdlife checklist version 00: Willow Flycatcher ( Empidonax traillii) [version 1] |
Birdlife checklist version 01: Willow Flycatcher ( Empidonax traillii) [version 1] |
Birdlife checklist version 02: Willow Flycatcher ( Empidonax traillii) [version 1] |
Birdlife checklist version 03: Willow Flycatcher ( Empidonax traillii) [version 1] |
Birdlife checklist version 04: Willow Flycatcher ( Empidonax traillii) [version 1] |
Birdlife checklist version 05 (Jun 2012): Willow Flycatcher ( Empidonax traillii) [version 1] |
Birdlife checklist version 05.1 (Oct 2012): Willow Flycatcher ( Empidonax traillii) [version 1] |
Birdlife checklist version 06 (Nov 2013): Willow Flycatcher ( Empidonax traillii) [version 1] |
Birdlife checklist version 06.1 (Feb 2014): Willow Flycatcher ( Empidonax traillii) [version 1] |
Birdlife checklist version 07 (Jul 2014): Willow Flycatcher ( Empidonax traillii) [version 1] |
Birdlife checklist version 08 (Oct 2015): Willow Flycatcher ( Empidonax traillii) [version 1] |
Birdlife checklist version 09 (Dec 2016): Willow Flycatcher ( Empidonax traillii) [version 1] |
Birdlife checklist version 09.1 (Jun 2017): Willow Flycatcher ( Empidonax traillii) [version 1] |
HBW and BirdLife Taxonomic Checklist v2 (Dec 2017): Willow Flycatcher ( Empidonax traillii) [version 1] |
HBW and BirdLife Taxonomic Checklist v3 (Nov 2018): Willow Flycatcher ( Empidonax traillii) [version 1] |
HBW and BirdLife Taxonomic Checklist v4 (Dec 2019): Willow Flycatcher ( Empidonax traillii) [version 1] |
HBW and BirdLife Taxonomic Checklist v5 (Dec 2020): Willow Flycatcher ( Empidonax traillii) [version 1] |
HBW and BirdLife Taxonomic Checklist v6 (Dec 2021): Willow Flycatcher ( Empidonax traillii) [version 1] |
HBW and BirdLife Taxonomic Checklist v6b (Jul 2022): Willow Flycatcher ( Empidonax traillii) [version 1] |
HBW and BirdLife Taxonomic Checklist v7 (Dec 2022): Willow Flycatcher ( Empidonax traillii) [version 1] |
HBW and BirdLife Taxonomic Checklist v8 (Dec 2023): Willow Flycatcher ( Empidonax traillii) [version 1] |
HBW and BirdLife Taxonomic Checklist v9 (Oct 2024): Willow Flycatcher ( Empidonax traillii) [version 1] |
Commission internationale pour les noms français des oiseaux (1993, révision 2009): Moucherolle des saules ( Empidonax traillii) [version 1] |
Commission internationale pour les noms français des oiseaux (1993): Moucherolle des saules ( Empidonax traillii) [version 1] |
Clements 1st edition: Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements, version 2021: Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements, version 2022: Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements, version 2023: Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements, version 2024: Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 3rd edition: Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 4th edition: Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 5th edition (as published): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 5th edition (incl. 2000 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 5th edition (incl. 2001 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 5th edition (incl. 2002 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 5th edition (incl. 2003 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 5th edition (incl. 2004 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 5th edition (incl. 2005 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 6th edition: Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 6th edition (incl. 2007 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 6th edition (incl. 2008 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 6th edition (incl. 2009 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 6th edition (version 6.5 incl. 2010 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 6th edition (version 6.6 incl. 2011 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 6th edition (version 6.7 incl. 2012 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 6th edition (version 6.8 incl. 2013 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements 6th edition (version 6.9 incl. 2014 revisions): Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements, version 2015: Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements, version 2016: Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements, version 2017: Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements, version 2018: Willow Flycatcher ( Empidonax traillii) [version 1] |
Clements, version 2019: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 1.50: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 1.52: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 1.53: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 1.54: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 1.55: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 2015: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 2016: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 2017: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 2018: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 2019: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 2021: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 2022: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 2023: Willow Flycatcher ( Empidonax traillii) [version 1] |
eBird version 2024: Willow Flycatcher ( Empidonax traillii) [version 1] |
Howard and Moore 2nd edition: Traill's Flycatcher ( Empidonax traillii) [version 1] |
Howard and Moore 2nd edition (incl. ? suppl): Traill's Flycatcher ( Empidonax traillii) [version 1] |
Howard and Moore 3rd edition (as published): Willow Flycatcher ( Empidonax traillii) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 1.2): Willow Flycatcher ( Empidonax traillii) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 2.1): Willow Flycatcher ( Empidonax traillii) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 3.1): Willow Flycatcher ( Empidonax traillii) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 4): Willow Flycatcher ( Empidonax traillii) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 5): Willow Flycatcher ( Empidonax traillii) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 6): Willow Flycatcher ( Empidonax traillii) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 7): Willow Flycatcher ( Empidonax traillii) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 8): Willow Flycatcher ( Empidonax traillii) [version 1] |
Howard and Moore 4th edition (vol. 1-2): Willow Flycatcher ( Empidonax traillii) [version 1] |
Howard and Moore 4th edition (incl. corrigenda vol.1-2): Willow Flycatcher ( Empidonax traillii) [version 1] |
Handbook of the Birds of the World (vol 1-16): Willow Flycatcher ( Empidonax traillii) [version 1] |
Handbook of the Birds of the World Alive (31/01/2015): Willow Flycatcher ( Empidonax traillii) [version 1] |
Handbook of the Birds of the World Alive (03/07/2017): Willow Flycatcher ( Empidonax traillii) [version 1] |
Handbook of the Birds of the World and Birdlife (Dec 2017): Willow Flycatcher ( Empidonax traillii) [version 1] |
Handbook of the Birds of the World and Birdlife (Dec 2018): Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 1.0: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 1.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 1.5: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 1.6: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 1.7: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 2.0: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 2.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 2.2: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 2.3: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 2.4: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 2.5: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 2.6: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 2.7: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 2.8: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 2.9: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 2.10: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 2.11: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 3.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 3.2: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 3.3: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 3.4: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 3.5: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 4.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 4.2: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 4.3: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 4.4: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 5.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 5.2: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 5.3: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 5.4: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 6.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 6.2: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 6.3: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 6.4: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 7.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 7.2: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 7.3: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 8.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 8.2: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 9.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 9.2: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 10.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 10.2: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 11.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 11.2: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 12.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 12.2: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 13.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 13.2: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 14.1: Willow Flycatcher ( Empidonax traillii) [version 1] |
IOC World Bird Names, version 14.2: Willow Flycatcher ( Empidonax traillii) [version 1] |
Morony, Bock and Farrand: Willow Flycatcher ( Empidonax traillii) [version 1] |
Peters' Check-list of the Birds: Empidonax traillii [version 1] |
Peters' Check-list of the Birds (original): Empidonax traillii [version 1] |
Peters' Check-list of the Birds (2nd edition): Empidonax traillii [version 1] |
Sibley and Monroe (1993): Willow Flycatcher ( Empidonax traillii) [version 1] |
Sibley and Monroe (1993, including corrections up to 1998): Willow Flycatcher ( Empidonax traillii) [version 1] |
Sibley and Monroe, Birds of the World Version 2.0: Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (24/10/2003): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (14/09/2005): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (16/07/2006): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (26/09/2007): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (01/05/2008): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (30/09/2009): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (19/08/2010): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (8/08/2011): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (8/02/2012): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (4/09/2012): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (17/03/2013): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (9/02/2014): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (16/02/2015): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (28/07/2016): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (22/04/2017): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (4/06/2018): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (6/06/2019): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (20/02/2020): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (8/06/2020): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (24/08/2021): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (24/07/2022): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (28/09/2023): Willow Flycatcher ( Empidonax traillii) [version 1] |
South American Classification Committee (27/07/2024): Willow Flycatcher ( Empidonax traillii) [version 1] |
Zoonomen - Zoological Nomenclature Resource: Empidonax traillii [version 1] |
Zoonomen - Zoological Nomenclature Resource: Empidonax traillii [version 1] |
Taxonomic status:
Species status: full species (sometimes nominal subspecies)
This taxon is considered a subspecies of
Empidonax [traillii or alnorum]
(sensu lato) by some authors
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Other synonyms
See also the taxonomic synonyms table.
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