First personal record of each species by Alejandro Andres Irurzun (lifers)
Species by Date 1 to 10 of 10
| Group | Species | Place | Date | Detail | |
 | Reptiles | (Liolaemus tandiliensis) | Tandil, Buenos Aires, Argentina | 12/22/2018 |  |
| | Mamíferos | Pampas Fox (Lycalopex gymnocerca) | Tandil, Buenos Aires, Argentina | 11/11/2015 | |
| | Aves | Green Kingfisher (Chloroceryle americana) | Tandil, Buenos Aires, Argentina | 05/26/2015 | |
| | Mamíferos | Geoffroy´s Cat (Leopardus geoffroyi) | Tandil, Buenos Aires, Argentina | 11/05/2014 | |
| | Reptiles | Ringed Hognose Snake (Xenodon dorbignyi) | Tandil, Buenos Aires, Argentina | 10/01/2014 | |
| | Aves | Black-chested Buzzard-Eagle (Geranoaetus melanoleucus) | Tandil, Buenos Aires, Argentina | 09/18/2014 | |
| | Reptiles | (Bothrops alternatus) | Tandil, Buenos Aires, Argentina | 03/13/2014 | |
| | Aves | Red-crested Cardinal (Paroaria coronata) | Tandil, Buenos Aires, Argentina | 02/22/2014 | |
| | Reptiles | Brown Culebra (Paraphimophis rustica) | Tandil, Buenos Aires, Argentina | 12/20/2013 | |
| | Reptiles | Patagonian Green Racer (Philodryas patagoniensis) | Tandil, Buenos Aires, Argentina | 10/25/2012 | |
Species by Date 1 to 10 of 10