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

@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{NilsSven1996,
 author = {Jan-Ake Nilsson and Mikael Svensson},
 year = {1996},
 title = {Sibling Competition Affects Nestling Growth Strategies in Marsh Tits},
 journal = {Journal of Animal Ecology},
 volume = {65(6)},
 pages = {825-836}
} 

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

@Misc{avibase,
 howpublished = {\url{https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=523763E55D4A8153&sec=lifehistory}}
} 

@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}
}