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

@Book{Kooy2010,
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 title  = {Dynamic Energy Budget theory for metabolic organisation},
 publisher = {Cambridge Univ. Press, Cambridge},
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} 

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 year = {2008},
 title = {Bacterial Community in the Crop of the Hoatzin, a Neotropical Folivorous Flying Bird.},
 journal = {Applied and Environmental Microbiology},
 volume = {74},
 number = {19},
 pages = {5905--5912}
} 

@Article{KuehGood1990,
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 title = {Artificial incubation of bird eggs at the Zoological Society of San Diego},
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} 

@Techreport{Mull2004,
 author = {Mullner, A.},
 year = {2004},
 title = {Breeding Ecology and Related Life-History Traits of the Hoatzin, \emph{Opisthocomus hoazin},
 in a Primary Rainforest Habitat},
 institution = {Bayerischen Julius-Maximilians-Universitat},
 address = {Wurzburg}
} 

@Misc{ALR,
 howpublished = {\url{http://animals.jrank.org/pages/582/Hoatzin-Opisthocomiformes.html}}
} 

@Misc{ADW,
 howpublished = {\url{http://animaldiversity.ummz.umich.edu/accounts/Opisthocomus_hoazin/}}
} 

@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}
}