Capybara Youngster (Hydrochoerus hydrochaeris) (Susan Roehl) Tags: brazil2012 thecuiabariver brazil thepantanal capybara hydrochoerushydrochaeris largestrodentintheworld animal mammal reach4feetinlength hydrochoerusfamily closestrelatives guineapigsandrockcavies savannahs denseforests needswater highlysocial notthreatened semiaquatic lakes rivers swamps herbivores grasses aquaticplants fruit treebark longerspermlifethananyotherrodent sueroehl photographictours naturalexposures pentaxk7 sigma150500mmlens handheld takenfromboat cropped coth5 ngc npc