http://animals.nationalgeographic.com/animals/mammals/indian-rhinoceros/
http://en.wikipedia.org/wiki/Indian_rhinoceros
http://www.rhinoresourcecenter.com/species/indian-rhino/
http://www.worldwildlife.org/species/greater-one-horned-rhino
https://www.thedodo.com/9-awesome-facts-about-rhinos-t-537166192.html