Bearded helmetcrest (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Bearded helmetcrest" in English language version.

refsWebsite

Global rank English rank

3biodiversitylibrary.org

387^th place

373^rd place

2books.google.com

3^rd place

3^rd place

1worldbirdnames.org

1,007^th place

1,255^th place

low place

low place

2,007^th place

1,298^th place

2^nd place

2^nd place

1semanticscholar.org

11^th place

8^th place

biodiversitylibrary.org

Gould, John (1848). "Drafts for a new arrangement of the Trochilidae". Proceedings of the Zoological Society of London. Part 16 (180): 11–14 [14].
Gray, George Robert (1855). Catalogue of the Genera and Subgenera of Birds Contained in the British Museum. London: British Museum. p. 22.
Peters, James Lee, ed. (1945). Check-List of Birds of the World. Vol. 5. Cambridge, Massachusetts: Harvard University Press. p. 122.

books.google.com

Steven L. Hilty; Bill Brown (1986). A guide to the birds of Colombia. Princeton University Press. p. 295. ISBN 0-691-08372-X. Retrieved 12 June 2011.
Steven L. Hilty; Rodolphe Meyer de Schauensee (2003). Birds of Venezuela. Princeton University Press. p. 432. ISBN 0-691-09250-8. Retrieved 12 June 2011.

doi.org

McGuire, Jimmy A.; Witt Christopher C.; Remsen, J. V. Jr; Dudley R.; Altshuler, Douglas L. (2008). "A higher-level taxonomy for hummingbird" (PDF). Journal of Ornithology. 150: 155–65. doi:10.1007/s10336-008-0330-x. S2CID 1918245.

proaves.org

Collar, Nigel J.; Salaman, Paul (2013). "The taxonomic and conservation status of the Oxypogon helmetcrests" (PDF). Conservación Colombiana. 19: 31–38.

semanticscholar.org

api.semanticscholar.org

McGuire, Jimmy A.; Witt Christopher C.; Remsen, J. V. Jr; Dudley R.; Altshuler, Douglas L. (2008). "A higher-level taxonomy for hummingbird" (PDF). Journal of Ornithology. 150: 155–65. doi:10.1007/s10336-008-0330-x. S2CID 1918245.

unm.edu

msb.unm.edu

McGuire, Jimmy A.; Witt Christopher C.; Remsen, J. V. Jr; Dudley R.; Altshuler, Douglas L. (2008). "A higher-level taxonomy for hummingbird" (PDF). Journal of Ornithology. 150: 155–65. doi:10.1007/s10336-008-0330-x. S2CID 1918245.

worldbirdnames.org

Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (July 2020). "Hummingbirds". IOC World Bird List Version 10.2. International Ornithologists' Union. Retrieved 2 January 2020.