First personal record of each species by Omar Lagraña (lifers)
Species by Date 1 to 6 of 6
| Group | Species | Place | Date | Detail | |
 | Aves | Ringed Teal (Callonetta leucophrys) | Concordia, Entre Ríos, Argentina | 07/03/2021 |  |
| | Aves | Snowy Egret (Egretta thula) | Concordia, Entre Ríos, Argentina | 05/09/2021 | |
| | Aves | Campo Flicker (Colaptes campestris) | Concordia, Entre Ríos, Argentina | 05/01/2021 | |
| | Aves | Great Kiskadee (Pitangus sulphuratus) | Concordia, Entre Ríos, Argentina | 10/11/2020 | |
| | Aves | Neotropic Cormorant (Nannopterum brasilianum) | Concordia, Entre Ríos, Argentina | 10/10/2020 | |
| | Aves | Chalk-browed Mockingbird (Mimus saturninus) | Concordia, Entre Ríos, Argentina | 06/14/2020 | |
Species by Date 1 to 6 of 6