How do Xerus squirrels maintain their fluid balance without always accessing streams or ponds?
Answer
Indirectly, from succulent plants, dew collected on vegetation, and moisture in roots/insects
Water acquisition presents a significant hurdle in the arid grasslands inhabited by Xerus. While they will drink surface water when available, they are highly adapted to derive necessary moisture indirectly through their diet. This includes consuming succulent plants which retain high water content. Another key source is dew that collects on vegetation early in the morning. Furthermore, the moisture content naturally stored within essential food items, such as roots, tubers, and certain insects, significantly contributes to maintaining their overall fluid balance.
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