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

@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{MallBoad2012,
 doi = {10.1007/s00300-011-1079-x},
 author = {Mark L. Mallory and Kelly A. Boadway and Shanti E. Davis and Mark Maftei},
 year = {2012},
 title = {Breeding biology of Sabine's gull (\emph{Xema sabini}) in the {C}anadian high Arctic},
 journal = {Polar Biol},
 volume = {35},
 pages = {335–344}
} 

@Misc{avibase,
 howpublished = {\url{https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=86182656472B476B&sec=lifehistory}}
} 

@Article{Abra1986,
 doi = {10.1139/z86-135},
 author = {Diana M. Abraham},
 year = {1986},
 title = {Observations on the breeding biology of Sabine's Gulls (\emph{Xema sabini})},
 journal = {Canadian Journal of Zoology},
 volume = {64},
 pages = {898-903}
} 

@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}
}