Rhinoceroses are big and tough African mammals, though other species live in Asia as well. African rhinos have two horns. They cover themselves in mud to protect their skin from the harsh African sun. Readers will learn a lot more awesome facts with simple sentences and exciting photographs. Aligned to Common Core Standards and correlated to state standards. Abdo Kids Jumbo is an imprint of Abdo Kids, a division of ABDO. Written by native Spanish speakers—and immersion school educators.