Several features distinguish the kit fox from the swift fox. Kit fox ears are larger and set closer together than the swift fox. The head of the kit fox is slightly broader between the eyes and the snout is narrower. The kit fox has a longer tail, relative to the body, than the swift fox.
Their diet consists of the most readily available small mammals in the region, especially rodents and rabbits. The relationship of kit fox populations to populations of banner-tailed kangaroo rats (Dipodomys spectabilis) in the San Joaquin Valley and to black-tailed jack rabbits (Lepus californicus) in Utah have been well documented.
Mammal Species of the World (see Vulpes velox)
- Original description: Merriam, C.H., 1888. Description of a new fox from southern California, p. 136. Proceedings of the Biological Society of Washington, 4:135-138.
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