Mara are large rodents found in Argentina. Their scientific name is Dolichotis patagonum. Darwin doesn’t mention coming across Mara per se in The Voyage of the Beagle; instead he talks about encountering agoutis on the plains of Patagonia. However, there seems little doubt that what he was referring to was Mara. Read More...Tags:Mara, Dolichotis patagonum, Hare, Patagonia, Charles Darwin, Convergent evolution, Monogamy