What physical feature is characteristic of both *C. s. simum* and *C. s. cottoni*?
Answer
Wide, square lip adapted for grazing
Despite their geographical separation and distinct conservation statuses, both the Southern White Rhino (*C. s. simum*) and the Northern White Rhino (*C. s. cottoni*) share key morphological features that define their feeding strategy. Specifically, both subspecies possess a wide, square lip. This anatomical structure is specialized for grazing, meaning their diet primarily consists of grass rather than browsing on leaves and shrubs, distinguishing them physically from other rhinoceros species.

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