Table 2. Feeding ecological variable definitions from the PanTHERIA database (Jones et al., 2009).

Ecological variable	Definition (from PanTHERIA database)	Value range
Diet breadth	Number of dietary categories eaten by each species. Categories were defined as vertebrate, invertebrate, fruit, flowers/nectar/pollen, leaves/branches/bark, seeds, grass and roots/tubers	1 (dietary specialist) to 6 (dietary generalist)
Trophic level	Trophic level of each species: (1) herbivore (not vertebrate and/or invertebrate), (2) omnivore (vertebrate and/or invertebrate plus any of the other categories) and (3) carnivore (vertebrate and/or invertebrate only	(1) herbivore (2) omnivore (3) carnivore