Rodent | featured news

Scientists thought a mysterious guinea pig-sized rodent species that hadn't been seen in 113 years was long extinct. Until one of them ambled up to two volunteer naturalists at a nature reserve in Colombia two weeks ago.

Caplin Rous relishes snuggling in bed, going to the pet store with his owner and performing tricks like shaking for treats. He might sound like your typical dog, but guess again. This 100-pound pet is actually a capybara, otherwise known as the largest rodent species on earth.