Ptyonoprogne rupestris (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ptyonoprogne rupestris" in Spanish language version.

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archive.org

ardeola.org

biologiezentrum.at

birdlife.org

britishbirds.co.uk

bto.org

blx1.bto.org

doi.org

dx.doi.org

irbc.ie

issn.org

portal.issn.org

iucnredlist.org

apiv3.iucnredlist.org

nature.com

nih.gov

ncbi.nlm.nih.gov

parasite-journal.org

pdfdownload.org

sciendo.com

si.edu

nationalzoo.si.edu

  • Youth, Howard (septiembre a octubre de 2001). «Wildlife on the Rocks—and Buildings». Smithsonian's National Zoological Park: Smithsonian Zoogoer (en inglés). Friends of the National Zoo. Archivado desde el original el 16 de marzo de 2012. Consultado el 21 de abril de 2012. 

sovraintendenzaroma.it

vogelwarte.ch

infonet.vogelwarte.ch

web.archive.org