Talia Salanotti, researcher for the Brazilian National Institute of Amazonian Research, cf. O Globo, May the 13th. 2009; abridgement available at [3]Arkivigite je 2009-05-19 per la retarkivo Wayback Machine; vidu [4]
Talia Salanotti, researcher for the Brazilian National Institute of Amazonian Research, cf. O Globo, May the 13th. 2009; abridgement available at [3]Arkivigite je 2009-05-19 per la retarkivo Wayback Machine; vidu [4]
Renzo P. Piana, "The Harpy Eagle (Harpia harpyja) in the Infierno Native Community", disponebla ĉe [8][rompita ligilo]
plosone.org
Por mapo de la historiaj kaj nunaj teritorioj de la specio, vidu Heather R. L. Lerner, Jeff A. Johnson, Alec R. Lindsay, Lloyd F. Kiff kaj David P. Mindell: "It's not too Late for the Harpy Eagle (Harpia harpyja): High Levels Of Genetic Diversity and Differentiation Can Fuel Conservation Programs", Figuro 1, disponebla ĉe [7]
redyaguarete.org.ar
Cf.. Arkivita el la originalo je 2010-06-13. Alirita 2011-06-27.
Talia Salanotti, researcher for the Brazilian National Institute of Amazonian Research, cf. O Globo, May the 13th. 2009; abridgement available at [3]Arkivigite je 2009-05-19 per la retarkivo Wayback Machine; vidu [4]
