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

@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}}
} 

@Misc{avibase,
 howpublished = {\url{https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=D46D53447DC43885&sec=lifehistory}}
} 

@PhDthesis{Colo2022,
 author = {Colombo, M.},
 year = {2022},
 title =  {Biología reproductiva de la Cachirla (Aves: Motacillidae) en pastizales del noreste de la provincia de Buenos Aires con uso ganadero extensivo},
 school = {Universidad Nacional de La Plata, Argentina}
} 

@Misc{NoraFuen2022,
 doi = {10.2173/bow.helpip1.02},
 author = {Norambuena, H. V. and F. Rivas Fuenzalida and S. Tyler and E. de Juana},
 year = {2022},
 title = {Hellmayr's Pipit (\emph{Anthus hellmayri}), version 2.0. In Birds of the World (T. S. Schulenberg and S. M. Billerman, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA}
} 

@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}
}