First personal record of each species by Hector Emanuel Agosto (lifers)
Species by Date 1 to 8 of 8
| Group | Species | Place | Date | Detail | |
 | Aves | Scaled Dove (Columbina squammata) | Colonia Elisa, Chaco, Argentina | 08/02/2025 |  |
| | Anfibios | (Trachycephalus typhonius) | Colonia Elisa, Chaco, Argentina | 04/25/2025 | |
| | Insectos | (Manduca florestan) | Colonia Elisa, Chaco, Argentina | 04/25/2025 | |
| | Anfibios | Dwarf Tree-frog (Dendropsophus nanus) | Colonia Elisa, Chaco, Argentina | 04/02/2025 | |
| | Anfibios | Red and Green Tree Frog (Boana punctata) | Colonia Elisa, Chaco, Argentina | 01/30/2025 | |
| | Arácnidos | (Actinosoma pentacanthum) | Colonia Elisa, Chaco, Argentina | 01/05/2025 | |
| | Insectos | (Zoniopoda omnicolor) | Colonia Elisa, Chaco, Argentina | 12/08/2024 | |
| | Anfibios | (Odontophrynus asper) | Colonia Elisa, Chaco, Argentina | 11/01/2024 | |
Species by Date 1 to 8 of 8