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https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=1CB32C4800B34D65&sec=lifehistory.
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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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Santos, L. R. d. (2008).
Biologia reprodutiva e comportamento cooperativo em ninhos de
Cypsnagra hirundinacea.
PhD thesis, Universidade de BrasÃlia, BrasÃlia.
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True, A. and Burns, K. J. (2020).
White-rumped tanager (Cypsnagra hirundinacea), version 1.0. in
birds of the world (t. s. schulenberg, editor). cornell lab of ornithology,
ithaca, ny, usa. doi:10.2173/bow.whrtan1.01.