Supporting Information Appendix S1. The full dataset used in this study with a reproducible R code to perform data quality and network analyses. Appendix S2. All species ranking of identification accuracy of photo reports submitted to eBird in Argentina. The ranking is first ordered by the minimum value found for either precision and recall scores, and second by the number of samples analyzed for each species. Species that were tagged as difficult to identify are indicated as ‘TRUE’ in column D named ‘hard_to_id’. Appendix S3. High-resolution network (Html file).