1. AmphibiaWeb, 2017. http://www.amphibiaweb.org/.
2. Avibase—The World Bird Database, 2017. https://avibase. bsc-eoc.org/.
3. Bennett, A.F. and Dawson, W.R., Metabolism, in Biology of the Reptilia, Gans, C. and Dawson, W.R., Eds., New York: Acad. Press, 1976, vol. 5, pp. 127–223.
4. Brody, S., Bioenergetics and Growth, New York: Reinhold, 1945.
5. BOLD: The Barcode of Life Data System, 2017. http://www.boldsystems.org.