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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | |
| 1 | Squamata | Colubridae | Yellow bellied Snake | Culebra Verde y Negra | Cobra-do-capim | Erythrolamprus poecilogyrus |
| 2 | Pampas Snake | Culebra Comebabosas Misionera | Cobra-espada | Tomodon dorsatus | ||
| 3 | Elapidae | Souther Coral Snake | Serpiente De Coral | Micrurus altirostris | ||
| 4 | Viperidae | Yarará Grande | Urutú | Bothrops alternatus | ||
| 5 | Jararacussu | Yararacusú | Jararacuçu | Bothrops jararacussu |