Ini nga species ginbahin ha masunod nga subspecies:[13]
- C. h. hornemanni
- C. h. exilipes
- ↑ 1.0 1.1 (1996) , database, NODC Taxonomic Code
- ↑ Dickinson, Edward C., ed. (2003) , The Howard and Moore Complete Checklist of the Birds of the World, 3rd edition
- ↑ American Ornithologists' Union (1998) , Check-list of North American Birds, 7th Edition
- ↑ Paynter, Raymond A. Jr., ed. (1968) , Check-list of Birds of the World, vol. 14
- ↑ American Ornithologists' Union (1957) , Check-list of North American Birds, 5th Edition
- ↑ 6.0 6.1 American Ornithologists' Union (1976) Thirty-third Supplement to the American Ornithologists' Union Check-list of North American Birds, The Auk, vol. 93, no. 4
- ↑ Gill, Frank, and Minturn Wright (2006) , Birds of the World: Recommended English Names
- ↑ (2007) , website, Gill & Wright (2006) corrigenda/updates - 21 Septyembre 2007
- ↑ Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes (2003) , Checklist of Vertebrates of the United States, the U.S. Territories, and Canada
- ↑ Banks, R. C., R. W. McDiarmid, and A. L. Gardner (1987) Checklist of Vertebrates of the United States, the U.S. Territories, and Canada, Resource Publication, no. 166
- ↑ (2007) , website, AOU Check-List (07-2007)
- ↑ (2007) , website, Zoonomen - Zoological Nomenclature Resource, 2007.09.23
- ↑ 13.0 13.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ ITIS: The Integrated Taxonomic Information System. Orrell T. (custodian), 26 Abril 2011
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