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https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=89F8B6F5598E0C65&sec=lifehistory.
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Duncan, J. R. and Duncan, P. A. (2020).
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world (s. m. billerman, editor). cornell lab of ornithology, ithaca, ny, usa. doi:10.2173/bow.nohowl.01.
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Kooijman, S. (2010).
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Prinzinger, R., A.Preßmar, and Schleucher, E. (1991).
Body temperature in birds.
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