Extinction: Black Rhino

The black rhino is a critically endangered species native to eastern and southern Africa, characterized by its hooked lip for browsing on bushes and its two horns. They are solitary and nocturnal, rely on their keen senses of smell and hearing more than sight, and can run up to 40 mph. The black rhino is threatened by poaching for its horn, which has led to a severe population decline, though conservation efforts have helped to double their numbers from their historic low.