Rhino with two horns, one behind the other, called African or black is the smallest of its kind in length from 3 to 3.75 meters, height of 1.5 meters and weight of 2 tons. The longest of the two horns stands at 1.30 meters. It is the most aggressive type. Rhino is Characterized sociable, lives in small groups and is rarely aggressive. Nowdays this beautiful animal is considered as endangered species.