| Species | Date | Count | Location | Observer | Checklist |
|---|---|---|---|---|---|
| Common Gull Larus canus | 18th Jan 2025 2:27 p.m. | 1 | RNL Estuário do Douro--área geral Vila Nova de Gaia, Porto | M Sá & J Teixeira | |
| Great Black-backed Gull Larus marinus | 18th Jan 2025 2:27 p.m. | 3 | RNL Estuário do Douro--área geral Vila Nova de Gaia, Porto | M Sá & J Teixeira |