Brain › AnimalsWhat is the life span of a rhino?15 years40 years20 years30 yearsAnswerThe correct answer is B) 40 years.More Animals questionsWhat is the gestation period of a rhino?What is the #1 reason for the rhinos decline worldwide?Hyenas are most closely related to what creatures?In which of these African environments are hyenas NOT found?Which of these is not a species of hyena?What is a group of hyenas called?Play Brain · Practice