Of the six species of sloth in the world, Costa Rica is home to two: Hoffman’s two-toed sloths and the Brown-throated sloth. Difficult to spot in the wild, embark on an expert tour with a professional guide who will help track and locate the elusive creatures. Gaze up at the dense canopy of greenery to catch a glimpse of the Brown-throated sloth sleeping within the treetops. To spot the nocturnal Hoffman’s two-toed sloth, set off on a night excursion.