The Swift fox is strictly a prairie species, but shares many characteristics with its desert cousin, the Kit fox, Vulpes macrotis. Unlike other North American foxes, both species use burrows year round, not just for raising young. This behavior is an adaptation for conserving water in the arid environment of deserts and prairies. Both species spend the entire day inside the burrow when the above ground temperatures are at their highest and the air the driest. The burrow environment is many d...