The term 'Jungle Chargers' refers to a species of rhinoceros, specifically the Indian Rhinoceros (Rhinoceros unicornis). This species is native to the Indian subcontinent and is one of the five extant species of rhinoceros. It is the largest of the Asian rhinoceroses and is characterized by its single horn and thick grey skin. The Indian Rhinoceros is an endangered species due to habitat loss, poaching, and other human activities.