Assertion: black rhino | /r/HasAspect | natural predators
Facets:
Source sentences:
text: Weighing as much as a car, with tough, multi-layered skin that is over an inch thick in places, and armed with two formidable horns, it is no surprise that an adult black rhino has no natural predators.
text: Black rhinos have no natural predators, although calves and young rhinos occasionally fall prey to lions.