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

@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}}
} 

@Book{LowtDiam2002,
 author = {Lowther, P. E. and Diamond, A. W. and Kress, S. W. and Robertson, G. J. and Russell, K.},
 year = {2002},
 title = {Atlantic Puffin (\emph{Fratercula arctica}). In the Birds of {N}orth {A}merica},
 publisher = {The Birds of North America, Inc., Philadelphia, PA.},
 number = {709},
 pages = {Page 11}
} 

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

@Article{BechAarv1987,
 author = {Bech, C. and Aarvik, F. J. and Vongraven, D.},
 year = {1987},
 title = {Temperature regulation in hatching Puffins (\emph{Fratercula arctica})},
 journal = {Journal of Ornithology},
 volume = {128},
 pages = {163-170}
} 

@Article{BryaFurn1995,
 author = {Bryant, D. M. and Furness, R. W.},
 year = {1995},
 title = {Basal metabolic rate of {N}orth {A}tlantic seabirds},
 journal = {Ibis},
 volume = {137},
 pages = {219-226}
} 

@Article{Barr2001,
 author = {Barret, R.},
 year = {2001},
 title = {The breeding demography and egg size of north {N}orwegian {A}tlantic Puffins \emph{Fratercula arctica} and Razorbills \emph{Alca torda} during 20 years of climatic variability},
 journal = {Atlantic Seabirds},
 volume = {3},
 pages = {97-112}
} 

@Article{Rodw1997,
 author = {Rodway, M.},
 year = {1997},
 title = {Relationship between Wing Length and Body Mass in {A}tlantic Puffin Chicks},
 journal = {Journal of Field Ornithology},
 volume = {68},
 pages = {338-347}
} 

@Article{OyanAnke1996,
 title = {ALLOCATION OF GROWTH IN FOOD-STRESSED ATLANTIC PUFFIN CHICKS},
 journal = {The Auk},
 volume = {113},
 pages = {830--841},
 year = {1996},
 author = {H. S. {\O}yan and T. Anker-Nilssen}
} 

@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}
}