| argentina | corrientes province | hydrochoerus hydrochaeris | species | 0 | 2 |
| bolivia | | hydrochoerus hydrochaeris | species | 3 | 0 |
| bolivia | beni department | hydrochoerus hydrochaeris | species | 1 | 0 |
| brazil | | hydrochoerus hydrochaeris | species | 1 | 0 |
| brazil | amazonas | hydrochoerus hydrochaeris | species | 0 | 6 |
| brazil | mato grosso | hydrochoerus hydrochaeris | species | 0 | 4 |
| brazil | mato grosso do sul | hydrochoerus hydrochaeris | species | 0 | 2 |
| brazil | minas gerais | hydrochoerus hydrochaeris | species | 0 | 5 |
| brazil | parana | hydrochoerus hydrochaeris | species | 0 | 1 |
| brazil | rio de janeiro | hydrochoerus hydrochaeris | species | 0 | 3 |
| brazil | rio grande do sul | hydrochoerus hydrochaeris | species | 0 | 2 |
| brazil | santa catarina | hydrochoerus hydrochaeris | species | 0 | 1 |
| brazil | sao paulo | hydrochoerus hydrochaeris | species | 0 | 5 |
| colombia | | hydrochoerus hydrochaeris | species | 22 | 0 |
| colombia | arauca department | hydrochoerus hydrochaeris | species | 0 | 1 |
| colombia | casanare department | hydrochoerus hydrochaeris | species | 0 | 1 |
| colombia | cauca department | hydrochoerus hydrochaeris | species | 0 | 1 |
| colombia | cordoba department | hydrochoerus hydrochaeris | species | 0 | 1 |
| french guiana | | hydrochoerus hydrochaeris | species | 5 | 0 |
| peru | amazonas region | hydrochoerus hydrochaeris | species | 0 | 1 |
| united kingdom | england | hydrochoerus hydrochaeris | species | 0 | 1 |
| venezuela | | hydrochoerus hydrochaeris | species | 10 | 0 |
| venezuela | apure | hydrochoerus hydrochaeris | species | 0 | 3 |
| venezuela | barinas | hydrochoerus hydrochaeris | species | 0 | 1 |
| venezuela | guarico | hydrochoerus hydrochaeris | species | 0 | 1 |