Nanda, I.; Karl, E.; Volobouev, V.; Griffin, D.K.; Schartl, M.; Schmid, M. (2006). “Extensive gross genomic rearrangements between chicken and Old World vultures (Falconiformes: Accipitridae)”. Cytogenetic and Genome Research112 (3–4): 286–295. doi:10.1159/000089883. PMID16484785.
Catanach, T.A.; Halley, M.R.; Pirro, S. (2024). “Enigmas no longer: using ultraconserved elements to place several unusual hawk taxa and address the non-monophyly of the genus Accipiter (Accipitriformes: Accipitridae)”. Biological Journal of the Linnean Society: blae028. doi:10.1093/biolinnean/blae028.
Griffiths, Carole S.; Barrowclough, George F.; et al. (2007), Phylogeny, diversity, and classification of the Accipitridae based on DNA sequences of the RAG-1 exon, 38, pp. 587–602, doi:10.1111/j.0908-8857.2007.03971.x
Paton, P. W. C.; Messina, F. J.; Griffin, C. R. (1994). “A Phylogenetic Approach to Reversed Size Dimorphism in Diurnal Raptors”. Oikos71 (3): 492–498. doi:10.2307/3545837. JSTOR3545837.
Ward, J.; McCafferty, D.; Houston, D.; Ruxton, G. (2008). “Why do vultures have bald heads? The role of postural adjustment and bare skin areas in thermoregulation”. Journal of Thermal Biology33 (3): 168–173. doi:10.1016/j.jtherbio.2008.01.002.
Thomson, A. L.; Moreau, R. E. (1957). “Feeding Habits of the Palm-Nut Vulture Gypoheerax”. Ibis99 (4): 608–613. doi:10.1111/j.1474-919X.1957.tb03053.x.
Shiu, H. J.; Tokita, K. I.; Morishita, E.; Hiraoka, E.; Wu, Y.; Nakamura, H.; Higuchi, H. (2006). “Route and site fidelity of two migratory raptors: Grey-faced Buzzards Butastur indicus and Honey-buzzards Pernis apivorus”. Ornithological Science5 (2): 151–156. doi:10.2326/osj.5.151.
Paton, P. W. C.; Messina, F. J.; Griffin, C. R. (1994). “A Phylogenetic Approach to Reversed Size Dimorphism in Diurnal Raptors”. Oikos71 (3): 492–498. doi:10.2307/3545837. JSTOR3545837.
Nanda, I.; Karl, E.; Volobouev, V.; Griffin, D.K.; Schartl, M.; Schmid, M. (2006). “Extensive gross genomic rearrangements between chicken and Old World vultures (Falconiformes: Accipitridae)”. Cytogenetic and Genome Research112 (3–4): 286–295. doi:10.1159/000089883. PMID16484785.