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Great Shrike-Tyrant (fortis)
Agriornis lividus fortis Berlepsch, HHCL 1907
Classification
Order:Passeriformes
Family:
Tyrannidae
Genus:
Agriornis
Scientific:
Agriornis lividus fortis
Original description
Citation:
Berlepsch, HHCL 1907
Reference:
Ornis [Int. Zeitschr. ges. Orn.]
14 p.352
Protonym:
Agriornis livida fortis
Type locality:
Valle del Lago Blanco, Chubut, Argentina.
Link:
https://www.biodiversitylibrary.org/item/106225#page/380/mode/1up
Avibase identifiers
Avibase ID:
5A2C34743C0D051C
Avibase ID:
avibase-5A2C3474
Short link:
https://avibase.ca/5A2C3474
Taxonomic Serial Number:
TSN: 712599
Geographic range:
- Agriornis lividus fortis: southern Chile (Aysén) and southern Argentina (to western Santa Cruz)
Source: Clements checklist
Great Shrike-Tyrant (fortis)
French:
Grand Gaucho (fortis)
Authorities recognizing this taxonomic concept:
| Avibase taxonomic concepts (current): Great Shrike-Tyrant (fortis) ( Agriornis lividus fortis) |
| Avibase taxonomic concepts v. 2023 (May 2023): Great Shrike-Tyrant (fortis) ( Agriornis lividus fortis) |
| Avibase taxonomic concepts v. 2024 (Oct 2024): Great Shrike-Tyrant (fortis) ( Agriornis lividus fortis) |
| Avibase taxonomic concepts v. 2025 (Nov 2025): Great Shrike-Tyrant (fortis) ( Agriornis lividus fortis) |
| Avibase taxonomic concepts v. 01 (August 2013): Great Shrike-Tyrant (fortis) ( Agriornis lividus fortis) |
| Avibase taxonomic concepts v. 02 (May 2014): Great Shrike-Tyrant (fortis) ( Agriornis lividus fortis) |
| Avibase taxonomic concepts v. 03 (March 2015): Great Shrike-Tyrant (fortis) ( Agriornis lividus fortis) |
| Avibase taxonomic concepts v. 04 (Aug 2016): Great Shrike-Tyrant (fortis) ( Agriornis lividus fortis) |
| Avibase taxonomic concepts v. 05 (Jan 2017): Great Shrike-Tyrant (fortis) ( Agriornis lividus fortis) |
| Avibase taxonomic concepts v. 06 (Feb 2018): Great Shrike-Tyrant (fortis) ( Agriornis lividus fortis) |
| Avibase taxonomic concepts v. 07 (Feb 2020): Great Shrike-Tyrant (fortis) ( Agriornis lividus fortis) |
| Avibase taxonomic concepts v. 08 (Feb 2021): Great Shrike-Tyrant (fortis) ( Agriornis lividus fortis) |
| Avilist 2025: Agriornis lividus fortis [version 1] |
| HBW and BirdLife Taxonomic Checklist v5 (Dec 2020): Agriornis lividus fortis [version 1] |
| HBW and BirdLife Taxonomic Checklist v6 (Dec 2021): Agriornis lividus fortis [version 1] |
| HBW and BirdLife Taxonomic Checklist v6b (Jul 2022): Agriornis lividus fortis [version 1] |
| HBW and BirdLife Taxonomic Checklist v7 (Dec 2022): Agriornis lividus fortis [version 1] |
| HBW and BirdLife Taxonomic Checklist v8 (Dec 2023): Agriornis lividus fortis [version 1] |
| HBW and BirdLife Taxonomic Checklist v9 (Oct 2024): Agriornis lividus fortis [version 1] |
| HBW and BirdLife Taxonomic Checklist v10 (Oct 2025): Agriornis lividus fortis [version 1] |
| Clements, version 2021: Agriornis lividus fortis [version 1] |
| Clements, version 2022: Agriornis lividus fortis [version 1] |
| Clements, version 2023: Agriornis lividus fortis [version 1] |
| Clements, version 2024: Agriornis lividus fortis [version 1] |
| Clements, version 2025: Agriornis lividus fortis [version 1] |
| Clements 5th edition (as published): Agriornis livida fortis [version 1] |
| Clements 5th edition (incl. 2000 revisions): Agriornis livida fortis [version 1] |
| Clements 5th edition (incl. 2001 revisions): Agriornis livida fortis [version 1] |
| Clements 5th edition (incl. 2002 revisions): Agriornis livida fortis [version 1] |
| Clements 5th edition (incl. 2003 revisions): Agriornis livida fortis [version 1] |
| Clements 5th edition (incl. 2004 revisions): Agriornis livida fortis [version 1] |
| Clements 5th edition (incl. 2005 revisions): Agriornis livida fortis [version 1] |
| Clements 6th edition: Agriornis lividus fortis [version 1] |
| Clements 6th edition (incl. 2007 revisions): Agriornis lividus fortis [version 1] |
| Clements 6th edition (incl. 2008 revisions): Agriornis lividus fortis [version 1] |
| Clements 6th edition (incl. 2009 revisions): Agriornis lividus fortis [version 1] |
| Clements 6th edition (version 6.5 incl. 2010 revisions): Agriornis lividus fortis [version 1] |
| Clements 6th edition (version 6.6 incl. 2011 revisions): Agriornis lividus fortis [version 1] |
| Clements 6th edition (version 6.7 incl. 2012 revisions): Agriornis lividus fortis [version 1] |
| Clements 6th edition (version 6.8 incl. 2013 revisions): Agriornis lividus fortis [version 1] |
| Clements 6th edition (version 6.9 incl. 2014 revisions): Agriornis lividus fortis [version 1] |
| Clements, version 2015: Agriornis lividus fortis [version 1] |
| Clements, version 2016: Agriornis lividus fortis [version 1] |
| Clements, version 2017: Agriornis lividus fortis [version 1] |
| Clements, version 2018: Agriornis lividus fortis [version 1] |
| Clements, version 2019: Agriornis lividus fortis [version 1] |
| Howard and Moore 2nd edition: Agriornis livida fortis [version 1] |
| Howard and Moore 3rd edition (as published): Agriornis lividus fortis [version 1] |
| Howard and Moore 3rd edition (incl. corrigenda 1.2): Agriornis lividus fortis [version 1] |
| Howard and Moore 3rd edition (incl. corrigenda 2.1): Agriornis lividus fortis [version 1] |
| Howard and Moore 3rd edition (incl. corrigenda 3.1): Agriornis lividus fortis [version 1] |
| Howard and Moore 3rd edition (incl. corrigenda 4): Agriornis lividus fortis [version 1] |
| Howard and Moore 3rd edition (incl. corrigenda 5): Agriornis lividus fortis [version 1] |
| Howard and Moore 3rd edition (incl. corrigenda 6): Agriornis lividus fortis [version 1] |
| Howard and Moore 3rd edition (incl. corrigenda 7): Agriornis lividus fortis [version 1] |
| Howard and Moore 3rd edition (incl. corrigenda 8): Agriornis lividus fortis [version 1] |
| Howard and Moore 4th edition (vol. 1-2): Agriornis lividus fortis [version 1] |
| Howard and Moore 4th edition (incl. corrigenda vol.1-2): Agriornis lividus fortis [version 1] |
| Handbook of the Birds of the World (vol 1-16): Agriornis lividus fortis [version 1] |
| Handbook of the Birds of the World Alive (31/01/2015): Agriornis lividus fortis [version 1] |
| Handbook of the Birds of the World Alive (03/07/2017): Agriornis lividus fortis [version 1] |
| Handbook of the Birds of the World and Birdlife (Dec 2017): Agriornis lividus fortis [version 1] |
| Handbook of the Birds of the World and Birdlife (Dec 2018): Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 3.1: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 3.2: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 3.3: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 3.4: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 3.5: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 4.1: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 4.2: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 4.3: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 4.4: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 5.1: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 5.2: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 5.3: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 5.4: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 6.1: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 6.2: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 6.3: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 6.4: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 7.1: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 7.2: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 7.3: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 8.1: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 8.2: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 9.1: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 9.2: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 10.1: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 10.2: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 11.1: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 11.2: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 12.1: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 12.2: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 13.1: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 13.2: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 14.1: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 14.2: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 15.1: Agriornis lividus fortis [version 1] |
| IOC World Bird Names, version 15.2: Agriornis lividus fortis [version 1] |
| Peters' Check-list of the Birds (original): Agriornis livida fortis [version 1] |
| Peters' Check-list of the Birds (2nd edition): Agriornis livida fortis [version 1] |
| Zoonomen - Zoological Nomenclature Resource: Agriornis lividus fortis [version 1] |
| Zoonomen - Zoological Nomenclature Resource: Agriornis lividus fortis [version 1] |
Your sightings
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Other synonyms
See also the taxonomic synonyms table.
English: Great Shrike-Tyrant (fortis)
French: Grand Gaucho (fortis)
Scientific: Agriornis livida fortis, Agriornis lividus fortis
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