The term African Beast Larger Than A Rhino can be summarized as a HIPPO, which is a five letter word. Hippos are large mammals native to Africa and are the third largest land mammal after elephants and rhinos. They are semi-aquatic animals and spend most of their time in water or mud. They are herbivores and feed on grasses, fruits, and aquatic plants. They are known for their aggressive behavior and have been known to attack humans.