John, J. ., and W. Lee. “Kleptoparasitism of Shoebills Balaeniceps Rex by African Fish Eagles Haliaeetus Vocifer in Western Tanzania”. Tanzania Journal of Science, vol. 45, no. 2, Mar. 2021, pp. 131-43, https://tjs.udsm.ac.tz/index.php/tjs/article/view/169.