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

@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{DawsEvan1957,
 doi = {10.1086/physzool.30.4.30152213},
 author = {Dawson, W. R. and Evans, F. C.},
 year = {1957},
 title = {Relation of Growth and Development to Temperature Regulation in Nestling Field and Chipping Sparrows},
 journal = {Physiological Zoology},
 volume = {30(4)},
 pages = {315–327}
} 

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

@Misc{avibase,
 howpublished = {\url{https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=E23F6DE0B4829658&sec=lifehistory}}
}