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

@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{bow,
 howpublished = {\url{https://birdsoftheworld.org/bow/species/titber1/}}
} 

@Misc{avibase,
 howpublished = {\url{https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=7343F8F3D63801D4&sec=lifehistory}}
} 

@Misc{animalinformation,
 howpublished = {\url{https://animalinformation.com/animal/tit-berrypecker/}}
} 

@Article{GavrGolu2023,
 doi = {10.3897/zookeys.1148.93458},
 title = {Metabolic rate, sleep duration, and body temperature in evolution of mammals and birds: the influence of geological time of principal groups divergence},
 journal = {ZooKeys},
 volume = {1148},
 year = {2013},
 pages = {1-27},
 author = {Valery M. Gavrilov and Tatiana B. Golubeva and Andrey V. Bushuev}
}