Butastur (English Wikipedia)

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

refsWebsite

Global rank English rank

387^th place

373^rd place

6^th place

1,007^th place

1,255^th place

archive.org (Global: 6^th place; English: 6^th place)

Hodgson, Brian Houghton (1843). "Catalogue of Nepâlese birds presented to the Asiatic Society, duly named and classified by the donor, Mr. Hodgson". Journal of the Asiatic Society of Bengal. 12, Part 1 (136): 301–313 [311].
Mayr, Ernst; Cottrell, G. William, eds. (1979). Check-List of Birds of the World. Vol. 1 (2nd ed.). Cambridge, Massachusetts: Museum of Comparative Zoology. p. 349.

Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (August 2022). "Hoatzin, New World vultures, Secretarybird, raptors". IOC World Bird List Version 12.2. International Ornithologists' Union. Retrieved 6 December 2022.