Duckworth, G. D.; Altwegg, R.; Harebottle, D. M. (2011). "Demography and population ecology of the Hadeda Ibis (Bostrychia hagedash) at its expanding range edge in South Africa". Journal of Ornithology. 153 (2): 421–430. doi:10.1007/s10336-011-0758-2. S2CID16769366.
Bateman, P. W.; Fleming, P. A. (2011). "Who are you looking at? Hadeda ibises use direction of gaze, head orientation and approach speed in their risk assessment of a potential predator". Journal of Zoology. 285 (4): 316–323. doi:10.1111/j.1469-7998.2011.00846.x.
Owino, A.; Biwott, N.; Amutete, G. (2004). "Bird strike incidents involving Kenya Airways flights at three Kenyan airports, 1991-2001". African Journal of Ecology. 42 (2): 122–128. Bibcode:2004AfJEc..42..122O. doi:10.1111/j.1365-2028.2004.00507.x.
Viljoen, I. M.; Bouwman, H. (2016). "Conflicting traffic: characterization of the hazards of birds flying across an airport runway". African Journal of Ecology. 54 (3): 308–316. Bibcode:2016AfJEc..54..308V. doi:10.1111/aje.12267.
Owino, A.; Biwott, N.; Amutete, G. (2004). "Bird strike incidents involving Kenya Airways flights at three Kenyan airports, 1991-2001". African Journal of Ecology. 42 (2): 122–128. Bibcode:2004AfJEc..42..122O. doi:10.1111/j.1365-2028.2004.00507.x.
Viljoen, I. M.; Bouwman, H. (2016). "Conflicting traffic: characterization of the hazards of birds flying across an airport runway". African Journal of Ecology. 54 (3): 308–316. Bibcode:2016AfJEc..54..308V. doi:10.1111/aje.12267.
Duckworth, G. D.; Altwegg, R.; Harebottle, D. M. (2011). "Demography and population ecology of the Hadeda Ibis (Bostrychia hagedash) at its expanding range edge in South Africa". Journal of Ornithology. 153 (2): 421–430. doi:10.1007/s10336-011-0758-2. S2CID16769366.