First personal record of each species by María José Cornacchini (lifers)
Species by Date 1 to 4 of 4
| Group | Species | Place | Date | Detail | |
 | Insectos | (Rachiptera limbata) | Bahía Blanca, Buenos Aires, Argentina | 12/12/2021 |  |
| | Aves | Green-barred Woodpecker (Colaptes melanochloros) | Bahía Blanca, Buenos Aires, Argentina | 09/07/2021 | |
| | Aves | Black Vulture (Coragyps atratus) | Bahía Blanca, Buenos Aires, Argentina | 06/09/2021 | |
| | Arácnidos | Silver argiope (Argiope argentata) | Bahía Blanca, Buenos Aires, Argentina | 01/27/2021 | |
Species by Date 1 to 4 of 4