• [Wiki] http://en.wikipedia.org/wiki/Leuconotopicus_villosus.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=9D06AF89CDBCF27B&sec=lifehistory.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.