|Range||eastern Panama, northwestern Colombia and western Venezuela.|
The Lesser capybara (Hydrochoerus isthmius) is a rodent of the family Caviidae found in eastern Panama, northwestern Colombia and western Venezuela. It was recognized as a distinct subspecies of capybara in 1912, and was elevated to species status in 1991. It breeds year-round, with an average litter size of 3.5. It is threatened by subsistence hunting, the destruction of gallery forests and swamp drainage, specifically the swamp drainage of the Magdalena River. Its karyotype has 2n = 64 and FN = 104.