17. Black Rhinoceros
The Black Rhinoceros, weighing up to 3,100 pounds, is a critically endangered species native to the African savannas and shrublands. Known for its hooked upper lip, this rhino is a browser, feeding on trees and shrubs. Despite its formidable size, the Black Rhino faces severe threats from poaching and habitat loss. Conservation efforts are crucial to its survival, focusing on anti-poaching initiatives and habitat protection.