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

@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}}
} 

@Techreport{HoffSetz1947,
 author = {D. F. Hoffmeister and H. W. Setzer},
 howpublished = {\url{http://gutenberg.polytechnic.edu.na/3/5/1/1/35118/35118-h/35118-h.htm}},
 year = {1945},
 title = {THE POSTNATAL DEVELOPMENT OF TWO BROODS OF GREAT HORNED OWLS},
 institution = {Univ. Kansas, Lawrence}
} 

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

@Article{ChapDies1984,
 author = {Chaplin, S. B. and diesel, D. A. and Kasparie, J. A.},
 year = {1984},
 title = {Body temperature regulation in red-tailed hawks and great horned owls: Responses to air temperature and food deprivation},
 journal = {The Condor},
 volume = {86},
 pages = {175--181}
} 

@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}
}