There are more than 12,000 regional checklists in Avibase, offered in 9 different taxonomies, including synonyms more than 175 languages. Each checklist can be viewed with photos shared by the birding community, and also printed as PDF checklists for field use.
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Avibase taxonomic concepts (current): Brown Thornbill ( Acanthiza pusilla)
[version 1] Avibase taxonomic concepts v. 01 (August 2013): Brown Thornbill ( Acanthiza pusilla)
[version 1] Avibase taxonomic concepts v. 02 (May 2014): Brown Thornbill ( Acanthiza pusilla)
[version 1] Avibase taxonomic concepts v. 03 (March 2015): Brown Thornbill ( Acanthiza pusilla)
[version 1] Avibase taxonomic concepts v. 04 (Aug 2016): Brown Thornbill ( Acanthiza pusilla)
[version 1] Avibase taxonomic concepts v. 05 (Jan 2017): Brown Thornbill ( Acanthiza pusilla)
[version 1] Avibase taxonomic concepts v. 06 (Feb 2018): Brown Thornbill ( Acanthiza pusilla)
[version 1] Birdlife checklist version 00: Brown Thornbill ( Acanthiza pusilla)
[version 1] Birdlife checklist version 01: Brown Thornbill ( Acanthiza pusilla)
[version 1] Birdlife checklist version 02: Brown Thornbill ( Acanthiza pusilla)
[version 1] Birdlife checklist version 03: Brown Thornbill ( Acanthiza pusilla)
[version 1] Birdlife checklist version 04: Brown Thornbill ( Acanthiza pusilla)
[version 1] Birdlife checklist version 05 (Jun 2012): Brown Thornbill ( Acanthiza pusilla)
[version 1] Birdlife checklist version 05.1 (Oct 2012): Brown Thornbill ( Acanthiza pusilla)
[version 1] Birdlife checklist version 06 (Nov 2013): Brown Thornbill ( Acanthiza pusilla)
[version 1] Birdlife checklist version 06.1 (Feb 2014): Brown Thornbill ( Acanthiza pusilla)
[version 1] Birdlife checklist version 07 (Jul 2014): Brown Thornbill ( Acanthiza pusilla)
[version 1] Birdlife checklist version 08 (Oct 2015): Brown Thornbill ( Acanthiza pusilla)
[version 1] Birdlife checklist version 09 (Dec 2016): Brown Thornbill ( Acanthiza pusilla)
[version 1] Birdlife checklist version 09.1 (Jun 2017): Brown Thornbill ( Acanthiza pusilla)
[version 1] HBW and BirdLife Taxonomic Checklist v2 (Dec 2017): Brown Thornbill ( Acanthiza pusilla)
[version 1] HBW and BirdLife Taxonomic Checklist v3 (Nov 2018): Brown Thornbill ( Acanthiza pusilla)
[version 1] Christidis and Boles (2008): Systematics and Taxonomy of Australian Birds: Brown Thornbill ( Acanthiza pusilla)
[version 1] Commission internationale pour les noms français des oiseaux (1993, révision 2009): Acanthize mignon ( Acanthiza pusilla)
[version 1] Commission internationale pour les noms français des oiseaux (1993): Acanthize mignon ( Acanthiza pusilla)
[version 1] Clements 1st edition: Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 3rd edition: Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 4th edition: Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 5th edition (as published): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 5th edition (incl. 2000 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 5th edition (incl. 2001 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 5th edition (incl. 2002 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 5th edition (incl. 2003 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 5th edition (incl. 2004 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 5th edition (incl. 2005 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 6th edition: Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 6th edition (incl. 2007 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 6th edition (incl. 2008 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 6th edition (incl. 2009 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 6th edition (version 6.5 incl. 2010 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 6th edition (version 6.6 incl. 2011 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 6th edition (version 6.7 incl. 2012 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 6th edition (version 6.8 incl. 2013 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements 6th edition (version 6.9 incl. 2014 revisions): Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements, version 2015: Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements, version 2016: Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements, version 2017: Brown Thornbill ( Acanthiza pusilla)
[version 1] Clements, version 2018: Brown Thornbill ( Acanthiza pusilla)
[version 1] eBird version 1.50: Brown Thornbill ( Acanthiza pusilla)
[version 1] eBird version 1.52: Brown Thornbill ( Acanthiza pusilla)
[version 1] eBird version 1.53: Brown Thornbill ( Acanthiza pusilla)
[version 1] eBird version 1.54: Brown Thornbill ( Acanthiza pusilla)
[version 1] eBird version 1.55: Brown Thornbill ( Acanthiza pusilla)
[version 1] eBird version 2015: Brown Thornbill ( Acanthiza pusilla)
[version 1] eBird version 2016: Brown Thornbill ( Acanthiza pusilla)
[version 1] eBird version 2017: Brown Thornbill ( Acanthiza pusilla)
[version 1] eBird version 2018: Brown Thornbill ( Acanthiza pusilla)
[version 1] Howard and Moore 2nd edition: Brown Thornbill ( Acanthiza pusilla)
[version 1] Howard and Moore 2nd edition (incl. ? suppl): Brown Thornbill ( Acanthiza pusilla)
[version 1] Howard and Moore 3rd edition (as published): Brown Thornbill ( Acanthiza pusilla)
[version 1] Howard and Moore 3rd edition (incl. corrigenda 1.2): Brown Thornbill ( Acanthiza pusilla)
[version 1] Howard and Moore 3rd edition (incl. corrigenda 2.1): Brown Thornbill ( Acanthiza pusilla)
[version 1] Howard and Moore 3rd edition (incl. corrigenda 3.1): Brown Thornbill ( Acanthiza pusilla)
[version 1] Howard and Moore 3rd edition (incl. corrigenda 4): Brown Thornbill ( Acanthiza pusilla)
[version 1] Howard and Moore 3rd edition (incl. corrigenda 5): Brown Thornbill ( Acanthiza pusilla)
[version 1] Howard and Moore 3rd edition (incl. corrigenda 6): Brown Thornbill ( Acanthiza pusilla)
[version 1] Howard and Moore 3rd edition (incl. corrigenda 7): Brown Thornbill ( Acanthiza pusilla)
[version 1] Howard and Moore 3rd edition (incl. corrigenda 8): Brown Thornbill ( Acanthiza pusilla)
[version 1] Howard and Moore 4th edition (vol. 1-2): Brown Thornbill ( Acanthiza pusilla)
[version 1] Howard and Moore 4th edition (incl. corrigenda vol.1-2): Brown Thornbill ( Acanthiza pusilla)
[version 1] Handbook of the Birds of the World (vol 1-16): Brown Thornbill ( Acanthiza pusilla)
[version 1] Handbook of the Birds of the World and Birdlife (Dec 2017): Brown Thornbill ( Acanthiza pusilla)
[version 1] Handbook of the Birds of the World Alive (31/01/2015): Brown Thornbill ( Acanthiza pusilla)
[version 1] Handbook of the Birds of the World Alive (03/07/2017): Brown Thornbill ( Acanthiza pusilla)
[version 1] Handbook of the Birds of the World and Birdlife (Dec 2018): Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 1.0: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 1.1: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 1.5: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 1.6: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 1.7: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 2.0: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 2.1: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 2.2: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 2.3: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 2.4: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 2.5: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 2.6: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 2.7: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 2.8: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 2.9: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 2.10: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 2.11: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 3.1: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 3.2: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 3.3: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 3.4: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 3.5: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 4.1: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 4.2: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 4.3: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 4.4: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 5.1: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 5.2: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 5.3: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 5.4: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 6.1: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 6.2: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 6.3: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 6.4: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 7.1: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 7.2: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 7.3: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 8.1: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 8.2: Brown Thornbill ( Acanthiza pusilla)
[version 1] IOC World Bird Names, version 9.1: Brown Thornbill ( Acanthiza pusilla)
Morony, Bock and Farrand: Brown Thornbill ( Acanthiza pusilla)
[version 1] James Lee Peters: Acanthiza pusilla[version 1] James Lee Peters (original): Acanthiza pusilla[version 1] James Lee Peters (2nd edition): Acanthiza pusilla[version 1] Sibley and Monroe (1993): Brown Thornbill ( Acanthiza pusilla)
Sibley and Monroe (1993, including corrections up to 1998): Brown Thornbill ( Acanthiza pusilla)
Sibley and Monroe 2nd edition (1996): Brown Thornbill ( Acanthiza pusilla)
Zoonomen - Zoological Nomenclature Resource: Acanthiza pusilla[version 1] Zoonomen - Zoological Nomenclature Resource: Acanthiza pusilla[version 1]
Taxonomic status:
Species status:
full species (sometimes nominal subspecies)