Their horns alone are nearly 5 feet in length. The Pittsburgh Zoo's exhibit features plants native to the savanna and a termite mound that the rhinos use as a scratching post. Since the Pittsburgh Zoo wants visitors to appreciate its inhabitants as wild animals, it has not given the rhinoceroses human names. Learn more about rhinos. Rhinos enjoy wallowing in muddy pools and sandy riverbeds.
Rhinos have thick skin, which is scantily haired, wrinkled, furrowed or pleated.
Black rhinos use their horns for defense.