• [Wiki] http://en.wikipedia.org/wiki/Gallinula_melanops.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=43AF4EA8CD04CCAC&sec=lifehistory.
• [CastRoss2020] Castro-Vargas, F. and Rosselli, L. (2020). Breeding biology of Porphyriops melanops bogotensis (Gruiformes, Rallidae) an endemic and endangered subspecies from the northern Andes. Caldasia, 42(1):50--62.
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