Chacoan mara the capybara, and guinea pigs. Chacoan maras are closely related to the other member of the genus "Dolichotis", the Patagonian mara. Maras are the fourth largest rodent in the world after the capybaras, beavers and porcupines . Though the mara may look like a rabbit, the rabbit is not actually a rodent and therefore not as closely related to the mara as one might expect. Chacoan mara The Chacoan mara, Dolichotis salinicola, is a relatively large South American rodent of the cavy family. They are a close relative of the better known Patagonian mara. The Chacoan mara lives in the
The Guinea Pig Diaries The Guinea Pig Diaries The Guinea Pig Diaries: My Life As An Experiment is a book by A. J. Jacobs, an editor at "Esquire" magazine, published in 2009. On a mission to improve aspects of his life A. J. Jacobs becomes a human guinea pig, putting himself through a series of extreme lifestyle experiments. In the book, Jacobs attempts to change the way he thought, talked, and looked. He immerses himself in his experiments and each comes with a conclusion about the lessons he has learned. Some of the experiments Jacobs participates in include: Jacobs decides to follow in the