The black-billed nightingale-thrush is a small thrush endemic to the highlands of Costa Rica and western Panama. Its position in the genus Catharus is somewhat equivocal, but it is apparently closer to the hermit thrush than to the other nightingale-thrushes except the russet nightingale-thrush and/or the ruddy-capped nightingale-thrush. Source: Wikipedia
Citation:
Salvin, O 1865
Reference:
Proc. Zool. Soc. London
1864, Part 3 p.580
Protonym:
Catharus gracilirostris
Type locality:
Costa Rica (Volcan de Cartago).
Link:
https://www.biodiversitylibrary.org/item/90417#page/676/mode/1up
Avibase ID:
CB87486621E950AB
Avibase ID:
avibase-CB874866
Short link:
https://avibase.ca/CB874866
Taxonomic Serial Number:
TSN: 559100
Geographic range:
Authorities recognizing this taxonomic concept:
American Ornithologists' Union 6th edition (1983): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 6th edition (incl. 35th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 6th edition (incl. 36th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 6th edition (incl. 37th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 6th edition (incl. 38th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 6th edition (incl. 39th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 6th edition (incl. 40th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 6th edition (incl. 41st suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (1998): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 42nd suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 43rd suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 44th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 45th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 46th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 47th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 48th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 49th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 50th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 51st suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 52nd suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 53rd suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 54th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 55th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 56th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Union 7th edition (incl. 57th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Society 7th edition (incl. 58th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Society 7th edition (incl. 59th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Society 7th edition (incl. 60th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Society 7th edition (incl. 61st suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Society 7th edition (incl. 61st suppl. and addendum): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Society 7th edition (incl. 62nd suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Society 7th edition (incl. 63rd suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Society 7th edition (incl. 64th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
American Ornithologists' Society 7th edition (incl. 65th suppl.): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Avibase taxonomic concepts (current): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Avibase taxonomic concepts v. 2023 (May 2023): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Avibase taxonomic concepts v. 2024 (Oct 2024): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Avibase taxonomic concepts v. 01 (August 2013): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Avibase taxonomic concepts v. 02 (May 2014): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Avibase taxonomic concepts v. 03 (March 2015): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Avibase taxonomic concepts v. 04 (Aug 2016): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Avibase taxonomic concepts v. 05 (Jan 2017): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Avibase taxonomic concepts v. 06 (Feb 2018): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Avibase taxonomic concepts v. 07 (Feb 2020): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Avibase taxonomic concepts v. 08 (Feb 2021): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Birdlife checklist version 00: Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Birdlife checklist version 01: Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Birdlife checklist version 02: Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Birdlife checklist version 03: Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Birdlife checklist version 04: Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Birdlife checklist version 05 (Jun 2012): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Birdlife checklist version 05.1 (Oct 2012): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Birdlife checklist version 06 (Nov 2013): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Birdlife checklist version 06.1 (Feb 2014): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Birdlife checklist version 07 (Jul 2014): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Birdlife checklist version 08 (Oct 2015): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Birdlife checklist version 09 (Dec 2016): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Birdlife checklist version 09.1 (Jun 2017): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
HBW and BirdLife Taxonomic Checklist v2 (Dec 2017): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
HBW and BirdLife Taxonomic Checklist v3 (Nov 2018): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
HBW and BirdLife Taxonomic Checklist v4 (Dec 2019): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
HBW and BirdLife Taxonomic Checklist v5 (Dec 2020): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
HBW and BirdLife Taxonomic Checklist v6 (Dec 2021): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
HBW and BirdLife Taxonomic Checklist v6b (Jul 2022): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
HBW and BirdLife Taxonomic Checklist v7 (Dec 2022): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
HBW and BirdLife Taxonomic Checklist v8 (Dec 2023): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
HBW and BirdLife Taxonomic Checklist v9 (Oct 2024): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Commission internationale pour les noms français des oiseaux (1993, révision 2009): Grive à bec noir ( Catharus gracilirostris) [version 1] |
Commission internationale pour les noms français des oiseaux (1993): Grive à bec noir ( Catharus gracilirostris) [version 1] |
Clements 1st edition: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements, version 2021: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements, version 2022: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements, version 2023: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements, version 2024: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 3rd edition: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 4th edition: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 5th edition (as published): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 5th edition (incl. 2000 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 5th edition (incl. 2001 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 5th edition (incl. 2002 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 5th edition (incl. 2003 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 5th edition (incl. 2004 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 5th edition (incl. 2005 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 6th edition: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 6th edition (incl. 2007 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 6th edition (incl. 2008 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 6th edition (incl. 2009 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 6th edition (version 6.5 incl. 2010 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 6th edition (version 6.6 incl. 2011 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 6th edition (version 6.7 incl. 2012 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 6th edition (version 6.8 incl. 2013 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements 6th edition (version 6.9 incl. 2014 revisions): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements, version 2015: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements, version 2016: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements, version 2017: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements, version 2018: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Clements, version 2019: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 1.50: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 1.52: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 1.53: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 1.54: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 1.55: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 2015: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 2016: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 2017: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 2018: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 2019: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 2021: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 2022: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 2023: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
eBird version 2024: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Howard and Moore 2nd edition: Slender-billed Nightingale Thrush ( Catharus gracilirostris) [version 1] |
Howard and Moore 2nd edition (incl. ? suppl): Slender-billed Nightingale Thrush ( Catharus gracilirostris) [version 1] |
Howard and Moore 3rd edition (as published): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 1.2): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 2.1): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 3.1): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 4): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 5): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 6): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 7): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Howard and Moore 3rd edition (incl. corrigenda 8): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Howard and Moore 4th edition (vol. 1-2): Black-billed Nightingale Thrush ( Catharus gracilirostris) [version 1] |
Howard and Moore 4th edition (incl. corrigenda vol.1-2): Black-billed Nightingale Thrush ( Catharus gracilirostris) [version 1] |
Handbook of the Birds of the World (vol 1-16): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Handbook of the Birds of the World Alive (31/01/2015): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Handbook of the Birds of the World Alive (03/07/2017): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Handbook of the Birds of the World and Birdlife (Dec 2017): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
Handbook of the Birds of the World and Birdlife (Dec 2018): Black-billed Nightingale-thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 1.0: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 1.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 1.5: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 1.6: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 1.7: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 2.0: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 2.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 2.2: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 2.3: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 2.4: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 2.5: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 2.6: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 2.7: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 2.8: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 2.9: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 2.10: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 2.11: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 3.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 3.2: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 3.3: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 3.4: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 3.5: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 4.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 4.2: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 4.3: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 4.4: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 5.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 5.2: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 5.3: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 5.4: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 6.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 6.2: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 6.3: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 6.4: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 7.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 7.2: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 7.3: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 8.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 8.2: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 9.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 9.2: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 10.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 10.2: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 11.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 11.2: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 12.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 12.2: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 13.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 13.2: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 14.1: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
IOC World Bird Names, version 14.2: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Morony, Bock and Farrand: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Peters' Check-list of the Birds: Catharus gracilirostris [version 1] |
Peters' Check-list of the Birds (original): Catharus gracilirostris [version 1] |
Peters' Check-list of the Birds (2nd edition): Catharus gracilirostris [version 1] |
Sibley and Monroe (1993): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Sibley and Monroe (1993, including corrections up to 1998): Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Sibley and Monroe, Birds of the World Version 2.0: Black-billed Nightingale-Thrush ( Catharus gracilirostris) [version 1] |
Zoonomen - Zoological Nomenclature Resource: Catharus gracilirostris [version 1] |
Zoonomen - Zoological Nomenclature Resource: Catharus gracilirostris [version 1] |
Taxonomic status:
Species status: full species
Your sightings
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Other synonyms
See also the taxonomic synonyms table.
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