• [Wiki] http://en.wikipedia.org/wiki/Anhinga_rufa.
• [bow] https://birdsoftheworld.org/bow/species/darter3/.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=5C7936A7E5949CE8&sec=lifehistory.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [LondCast2015] Londono, G. A., del Rosario Castaneda, M. A. C. M., Jankowski, J. E., and Robinson, S. K. (2015). Basal metabolism in tropical birds: latitude, altitude, and the ‘pace of life’. Functional Ecology, 29:338–346. doi:10.1111/1365-2435.12348.