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Reyer, Heinz-Ulrich (1984). "Investment and relatedness: A cost/benefit analysis of breeding and helping in the pied kingfisher (Ceryle rudis)". Animal Behaviour. 32 (4): 1163–1178. doi:10.1016/S0003-3472(84)80233-X. S2CID53202094.
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Gotmar, F (1994). "Are Bright Birds Distasteful? A Re-Analysis of H. B. Cott's Data on the Edibility of Birds". Journal of Avian Biology. 25 (3): 184–197. doi:10.2307/3677074. JSTOR3677074.
Douthwaite, R. J. (1982). "Changes in Pied Kingfisher (Ceryle rudis) feeding related to endosulfan pollution from tsetse fly control operations in the Okavango Delta, Botswana". Journal of Applied Ecology. 19 (1): 133–141. Bibcode:1982JApEc..19..133D. doi:10.2307/2402997. JSTOR2402997.
hbw.com
Woodall, P. F. (2017). del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D. A.; de Juana, E. (eds.). "Pied Kingfisher (Ceryle rudis)". Handbook of the Birds of the World Alive. Lynx Edicions. Retrieved 25 May 2017.
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Douthwaite, R. J. (1982). "Changes in Pied Kingfisher (Ceryle rudis) feeding related to endosulfan pollution from tsetse fly control operations in the Okavango Delta, Botswana". Journal of Applied Ecology. 19 (1): 133–141. Bibcode:1982JApEc..19..133D. doi:10.2307/2402997. JSTOR2402997.
Gotmar, F (1994). "Are Bright Birds Distasteful? A Re-Analysis of H. B. Cott's Data on the Edibility of Birds". Journal of Avian Biology. 25 (3): 184–197. doi:10.2307/3677074. JSTOR3677074.
Reyer, Heinz-Ulrich (1984). "Investment and relatedness: A cost/benefit analysis of breeding and helping in the pied kingfisher (Ceryle rudis)". Animal Behaviour. 32 (4): 1163–1178. doi:10.1016/S0003-3472(84)80233-X. S2CID53202094.