1. Allen AP, Brown JH, Gillooly JF (2002) Global biodiversity, biochemical kinetics and the energy equivalence rule. Science 297:1545–1548
2. Ashmole NP (1963) The regulation of tropical oceanic birds. Ibis 103:458–473
3. Barrett G, Silcocks A, Barry S, Cunningham R, Poulter R (2003) The new atlas of Australian birds. Royal Australasian Ornithologists Union, Hawthorn East
4. Bennett PM, Owens IPF (2002) Evolutionary ecology of birds: life histories, mating systems and extinction. Oxford University Press, Oxford
5. Bergmann C (1847) Über die Verhältnisse der Wärmeökonomie der Thiere zu ihrer Größe. Gottinger Studien 3:595–708