Afrika nanofalko (Esperanto Wikipedia)

Analysis of information sources in references of the Wikipedia article "Afrika nanofalko" in Esperanto language version.

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Zimmerman, Dale A.; Turner, Donald A.; kaj Pearson, David J.. (1999) Birds of Kenya and Northern Tanzania. Princeton University Press, p. 90–91, 110–111, 309. ISBN 0-691-01022-6.
Sinclair, Ian; Hockey, Phil; and Tarboton, Warwick. (2002) Birds of Southern Africa. Princeton University Press, p. 116, 132. ISBN 0-691-09862-1.

Covas, Rita; Huyser, Onno; and Doutrelant, Claire (2004). “Pygmy Falcon predation of nestlings of their obligate host, the Sociable Weaver”, Ostrich 75 (4), p. 325–326. doi:10.2989/00306520409485463. ISSN 0030–6525.
Spottiswoode, Claire; Herrmann, Eric; Rasa, O. Anne E.; and Sapsford, Colin W. (2004). “Co-operative breeding in the Pygmy Falcon Polihierax semitorquatus”, Ostrich 75 (4), p. 322–324. doi:10.2989/00306520409485462. ISSN 0030-6525.

BirdLife International (2004). Polihierax semitorquatus. Internacia Ruĝa Listo de Endanĝeritaj Specioj, eldono de 2006. IUCN 2006. Elŝutita 12a Majo 2006. Informo pri tio ke tiu specio estas Malplej Zorgiga.