The capybara (Hydrochoerus hydrochaeris Hydrochoerus hydrochaeris (capybara). University of Michigan Museum of Zoology, Animal Diversity Web. Retrieved on December 16, 2007. In page 57, Darwin says "The largest gnawing animal in the world, the Hydrochærus Capybara (the water-hog), is here also common." See it also in The Complete Work of Charles Darwin Online), also known as capibara, chigüire in Venezuela, ronsoco in Peru, chigüiro, and carpincho in Spanish, J Forero-Montana, J… (More on Capybara)