Del Moral, J. C., & De La Puente, J. (2005). Buitre negro – Aegypius monachus. In Carrascal, L. M. & Salvador, A. (Reds.), Enciclopedia Virtual de los Vertebrados Españoles. https://core.ac.uk/download/pdf/36185331.pdf%7C
doi.org
Buechley, E. R., & Şekercioğlu, Ç. H. (2016). The avian scavenger crisis: Looming extinctions, trophic cascades, and loss of critical ecosystem functions. Biological Conservation, 198, 220–228. https://doi.org/10.1016/j.biocon.2016.04.001
Huyghe, M., Izquierdo, P., Bureau, E., & Llopis, A. (2023). EAZA BEST PRACTICE GUIDELINES Aegypius monachus - Cinereous vulture [Guidelines]. EAZA Best Practice Guidelines. https://doi.org/10.61024/BPG2023CinereousvultureEN
Johnson, N. K., Del Hoyo, J., Elliott, A., & Sargatal, J. (1996). Handbook of the Birds of the World, Volume 2. Ornithology, 113(2). https://doi.org/10.2307/4088923