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The Blanford's fox, Vulpes cana (Blanford 1877) is a small canid (mean body mass = 956 g) that inhabits rocky mountains and canyons in the deserts of Israel, where it feeds mainly on invertebrates and fruits. We hypothesized that the energy expenditure of Blanford's foxes would be higher than that of a small canid that inhabits flat terrain, all else being equal. To test this hypothesis, we measured daily energy expenditure and water intake of freeliving Blanford's foxes and compared the results with those of the kit fox, Vulpes macrotis (Say 1823)
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Geffen et al. (1992) studied this question.
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