Groombridge, Jim J.; Jones, Carl G.; Bayes, Michelle K.; van Zyl, Anthony J.; Carrillo, José; Nichols, Richard A. & Bruford, Michael W. (2002). "A molecular phylogeny of African kestrels with reference to divergence across the Indian Ocean". Molecular Phylogenetics and Evolution 25 (2): 267–277. doi:10.1016/S1055-7903(02)00254-3. http://www.kestreling.com/files/Groombridge_etal_MPE_paper.pdfΑρχειοθετήθηκε 2007-09-14 στο Wayback Machine..
Groombridge, Jim J.; Jones, Carl G.; Bayes, Michelle K.; van Zyl, Anthony J.; Carrillo, José; Nichols, Richard A. & Bruford, Michael W. (2002). "A molecular phylogeny of African kestrels with reference to divergence across the Indian Ocean". Molecular Phylogenetics and Evolution 25 (2): 267–277. doi:10.1016/S1055-7903(02)00254-3. http://www.kestreling.com/files/Groombridge_etal_MPE_paper.pdfΑρχειοθετήθηκε 2007-09-14 στο Wayback Machine..