What distinguishing cranial feature has historically been noted in the Northern White Rhino (*C. s. cottoni*) compared to the Southern subspecies?

Answer

A slightly more elongated skull

Although the physical differences between the Southern White Rhino (*C. s. simum*) and the Northern White Rhino (*C. s. cottoni*) might appear minor to a casual observer, subtle morphological distinctions exist, accumulated over millennia of separate evolution. Specifically, historical analysis of skeletal remains indicates that the Northern White Rhino possessed a skull structure that was slightly more elongated than that of its southern counterpart. While the square lip remains the key adaptation for grazing in both, these subtle skeletal variations represent the endpoint of diverging recent evolutionary paths driven by distinct geographical and environmental pressures.

What distinguishing cranial feature has historically been noted in the Northern White Rhino (*C. s. cottoni*) compared to the Southern subspecies?
faunaevolutionmammalrhinoceros