Poachers hunt rhinos for their horns. White rhinos aren't white. Black rhinos aren't black. Black rhinos and white rhino have a grayish color. White rhinos are grass-chomping grazers. Their wide bottom lip hugs the ground like a lawn mower. Black rhinos are smaller than the other kind of African rhino, the white rhino. Black rhino are fast -moving and can run as fast as thirty miles per hour. Black rhinos are browsers. This means they don't graze on grass like a cow. Indian rhinos are brownish gray. Rhinos are powerful and impresive animals. When rhinos mothers defend thir babies, they can be very fierce. Rhinos can live to be fifty years old.