Pale-footed swallow (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pale-footed swallow" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

3,128^th place

4,193^rd place

6^th place

6^th place

332^nd place

246^th place

archive.org

Turner, Angela K; Rose, Chris (1989). Swallows & Martins: An Identification Guide and Handbook. Boston: Houghton Mifflin. pp. 113–114. ISBN 0-395-51174-7.

cornell.edu

neotropical.birds.cornell.edu

Schulenberg, Thomas S.; Johnson, Tom (2012). Thomas S. Schulenberg (ed.). "Pale-footed Swallow (Orochelidon flavipes), Neotropical Birds Online". Retrieved December 23, 2016.

doi.org

BirdLife International (2016). "Orochelidon flavipes". IUCN Red List of Threatened Species. 2016: e.T22712131A94321161. doi:10.2305/IUCN.UK.2016-3.RLTS.T22712131A94321161.en. Retrieved 12 November 2021.

hbw.com

Turner, Angela (2013). del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David A.; de Juana, Eduardo (eds.). "Pale-footed Swallow (Notiochelidon flavipes)". Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions. Retrieved December 26, 2016.

iucnredlist.org

BirdLife International (2016). "Orochelidon flavipes". IUCN Red List of Threatened Species. 2016: e.T22712131A94321161. doi:10.2305/IUCN.UK.2016-3.RLTS.T22712131A94321161.en. Retrieved 12 November 2021.