Roetvalk: Verskil tussen weergawes
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Lyn 42:
* Wink, Michael; Seibold, I.; Lotfikhah, F. & Bednarek, W. (1998): Molecular systematics of holarctic raptors (Order Falconiformes). ''In:'' Chancellor, R.D., Meyburg, B.-U. & Ferrero, J.J. (eds.): ''Holarctic Birds of Prey'': 29-48. Adenex & WWGBP. [http://www.uni-heidelberg.de/institute/fak14/ipmb/phazb/pubwink/1998/31.%201998.pdf PDF fulltext]
== Eksterne skakels ==
* Roetvalk - [http://sabap2.adu.org.za/docs/sabap1/175.pdf Species text in The Atlas of Southern African Birds].
* http://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=BD34FDFDF01C246E
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