First personal record of each species by Alejandro Mouchard (lifers)
Species by Date 1 to 6 of 6
| Group | Species | Place | Date | Detail | |
 | Reptiles | Rio Tropical Racer (Palusophis bifossatus) | Parque Nacional El Impenetrable, Chaco, Argentina | 08/24/2023 |  |
| | Insectos | Argentine Masked Chafer (Cyclocephala signaticollis) | San Clemente del Tuyú, Buenos Aires, Argentina | 12/05/2022 | |
| | Mamíferos | Franciscana (Pontoporia blainvillei) | San Clemente del Tuyú, Buenos Aires, Argentina | 07/30/2019 | |
| | Aves | Stripe-crowned Spinetail (Cranioleuca pyrrhophia) | El Trapiche, San Luis, Argentina | 02/13/2015 | |
| | Aves | Chiloe Wigeon (Mareca sibilatrix) | Antofagasta de la Sierra, Catamarca, Argentina | 10/15/2014 | |
| | Insectos | (Gymnetis chalcipes) | Colegiales, Ciudad Autónoma de Buenos Aires, Argentina | 03/07/2014 | |
Species by Date 1 to 6 of 6