The capybara and the lesser capybara belong to the subfamily Hydrochoerinae along with the rock cavies.

The lesser capybara (Hydrochoerus isthmius) is a large semiaquatic rodent of the family Caviidae found in eastern Panama, northwestern Colombia and western Venezuela.

The lesser capybara (Hydrochoerus isthmius) is a large semiaquatic rodent of the family Caviidae found in eastern Panama, northwestern Colombia and western Venezuela.