Roetvalk: Verskil tussen weergawes

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Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8.5
Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8.5
 
Lyn 30:
 
== Bronne ==
* http://www.birdlife.org/news/news/2009/01/sooty_falcon.html {{Webarchive|url=https://web.archive.org/web/20110210184056/http://www.birdlife.org/news/news/2009/01/sooty_falcon.html |date=10 Februarie 2011 }}
* ''BirdLife International'' (BLI) (2008): [http://www.birdlife.org/action/science/species/global_species_programme/whats_new.html {{Webarchive|url=https://web.archive.org/web/20080914020126/http://www.birdlife.org/action/science/species/global_species_programme/whats_new.html |date=14 September 2008 }} [2008 IUCN Redlist status changes]]. Retrieved 2008-MAY-23.
* Helbig, A.J.; Seibold, I.; Bednarek, W.; Brüning, H.; Gaucher, P.; Ristow, D.; Scharlau, W.; Schmidl, D. & Wink, Michael (1994): Phylogenetic relationships among falcon species (genus Falco) according to DNA sequence variation of the cytochrome b gene. ''In:'' Meyburg, B.-U. & Chancellor, R.D. (eds.): ''Raptor conservation today'': 593-599. [http://www.uni-heidelberg.de/institute/fak14/ipmb/phazb/pubwink/1994/4.%201994.pdf PDF fulltext]