• [Wiki] http://en.wikipedia.org/wiki/Rhea_americana.
• [nationalgeographic] http://animals.nationalgeographic.com/animals/birds/greater-rhea/.
• [avianweb] http://www.avianweb.com/greaterrheas.html.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Rhea_americana.
• [ARKive] http://www.arkive.org/greater-rhea/rhea-americana/.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=00986B2456382647&sec=lifehistory.
• [KilgBern1973] Kilgore, D. L., Bernstein, M. H., and Schidt-Nielsen, K. (1973). Brain temperature in a large bird, the rhea. Am. J. Physiol., 225:739--742.
• [KirwKort2021] Kirwan, G. M., Korthals, A., and Hodes, C. E. (2021). Greater rhea (Rhea americana). version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. doi:10.2173/bow.grerhe1.02.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [NavaVign2005] Navarro, J. L., Vignolo, P. E., Demaría, M. R., Maceira, N. O., and Martella, M. B. (2005). Growth curves of farmed greater rheas (Rhea americana albescens) from central Argentina. Arch.Geflügelk., 69:90--93.
• [PrinPres1991] Prinzinger, R., A.Preßmar, and Schleucher, E. (1991). Body temperature in birds. Comp. Biochem. Physiol., 99A(4):499--506. doi:10.1016/0300-9629(91)90122-S.
• [PrinDiet1997] Prinzinger, R., Dietz, V., and Nagel, B. (1997). Respiratory quatient and embryological development of metabolic heat production in the rhea (Rhea americana). J. therm. Biol., 22:223--226.
• [ValdCort2014] Valdez, D. J., Cortez, M. V., Costa, N. S. D., L{&`e}che, A., Hansen, C., Navarro, J. L., and Martella, M. B. (2014). Seasonal changes in plasma levels of sex hormones in the greater rhea (rhea americana), a south american ratite with a complex mating system. PLoS ONE, 9. doi:10.1371/journal.pone.0097334.