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 howpublished = {\url{http://en.wikipedia.org/wiki/Dendrocygna_autumnalis}}
} 

@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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 howpublished = {\url{../../../bib/Kooy2010.html}}
} 

@Article{Cain1976,
 doi = {10.2307/1366940},
 author = {Cain, B. W.},
 year = {1976},
 title = {Energetics of Growth for Black-Bellied Tree Ducks},
 journal = {The Condor},
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 pages = {124-128}
} 

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

@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},
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 volume = {99A(4)},
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@Misc{JameThom2020,
 doi = {10.2173/bow.bbwduc.01},
 author = {James, J. D. and J. E. Thompson},
 year = {2020},
 title = {Black-bellied Whistling-Duck (\emph{Dendrocygna autumnalis})},
 howpublished = {version 1.0. In Birds of the World (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA.}
}