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

@Book{Kooy2010,
 author = {Kooijman, S.A.L.M.},
 year = {2010},
 title  = {Dynamic Energy Budget theory for metabolic organisation},
 publisher = {Cambridge Univ. Press, Cambridge},
 pages = {Table 4.2 (page 150), 8.1 (page 300)},
 howpublished = {\url{../../../bib/Kooy2010.html}}
} 

@Article{SamrMena2007,
 doi = {10.2989/OSTRICH.2007.78.2.58.172},
 author = {F. Samraoui and R. Mena"{i} and B. Samraoui},
 year = {2007},
 title = {Reproductive ecology of the Cattle Egret (\emph{Bubulcus ibis}) at {S}idi {A}chour, north-eastern {A}lgeria},
 journal = {Ostrich},
 volume = {78},
 number = {2},
 pages = {481--487}
} 

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

@Article{PrinPres1991,
 doi = {10.1016/0300-9629(91)90122-S},
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 title = {Body temperature in birds},
 journal = {Comp. Biochem. Physiol.},
 volume = {99A(4)},
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}