@Misc{Wiki,
 howpublished = {\url{http://en.wikipedia.org/wiki/Oriolus_sagittatus}}
} 

@Book{Kooy2010,
 author = {Kooijman, S.A.L.M.},
 year = {2010},
 title  = {Dynamic Energy Budget theory for metabolic organisation},
 publisher = {Cambridge Univ. Press, Cambridge},
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} 

@Article{Carl2014,
 author = {Ashley J. Carlson},
 year = {2014},
 title = {Breeding biology of the Olive-backed Oriole \emph{Oriolus sagittatus} on the mid-north coast of {N}ew {S}outh {W}ales},
 journal = {Australian Field Ornithology},
 volume = {31},
 pages = {169–193}
} 

@Misc{AnAge,
 howpublished = {\url{http://genomics.senescence.info/species/entry.php?species=Oriolus_sagittatus}}
} 

@Misc{avibase,
 howpublished = {\url{https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=068516BB33E7967E&sec=lifehistory}}
} 

@Misc{WaltJone2020,
 doi = {10.2173/bow.olbori1.01},
 author = {Walther, B. and P. Jones},
 year = {2020},
 title = {Olive-backed Oriole (\emph{Oriolus sagittatus}), 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}
} 

@Article{PrinPres1991,
 doi = {10.1016/0300-9629(91)90122-S},
 author = {R. Prinzinger and A.Pre{\ss}mar and E. Schleucher},
 year = {1991},
 title = {Body temperature in birds},
 journal = {Comp. Biochem. Physiol.},
 volume = {99A(4)},
 pages = {499-506}
}