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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | |
| 1 | Squamata | Colubridae | Spotted Snake | Culebra Moteada | Erythrolamprus sagittifer | |
| 2 | Mousehole Snake | Culebra Ratonera | Philodryas trilineata | |||
| 3 | Elapidae | Serpiente De Coral Chaqueña | Micrurus pyrrhocryptus | |||
| 4 | Viperidae | Yarará Chica | Bothrops diporus |