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

@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{OcamEstr2012,
 doi = {10.1676/11-117.1},
 author = {David Ocampo and M. Camila Estrada-F and Jenny M. Mu\~{n}oz and Laura V. Londo\~{n}o and Santiago David and Giovanny Valencia and Paula A. Morales and Jaime A. Gariz\'{a} Bal and Andr\'{e} S. M. Cuervo},
 year = {2012},
 title = {BREEDING BIOLOGY OF THE RED-BELLIED GRACKLE (\emph{Hypopyrrhus pyrohypogaster}): A COOPERATIVE BREEDER OF THE {C}OLOMBIAN {A}NDES},
 journal = {The Wilson Journal of Ornithology},
 volume = {124},
 pages = {538-546}
} 

@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}
}