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

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.