| Species | Date | Count | Location | Observer | Checklist |
|---|---|---|---|---|---|
| Yellow-legged Gull Larus michahellis | 17th May 2025 5:10 p.m. | X | Ria de Aveiro--frente ribeirinha de São Jacinto Aveiro, Aveiro | Nasta Dragun | |
| Lesser Black-backed Gull Larus fuscus | 17th May 2025 5:10 p.m. | X | Ria de Aveiro--frente ribeirinha de São Jacinto Aveiro, Aveiro | Nasta Dragun | |
| Common Tern Sterna hirundo | 17th May 2025 5:10 p.m. | 1 | Ria de Aveiro--frente ribeirinha de São Jacinto Aveiro, Aveiro | Nasta Dragun | |
| Sandwich Tern Thalasseus sandvicensis | 17th May 2025 5:10 p.m. | 10 | Ria de Aveiro--frente ribeirinha de São Jacinto Aveiro, Aveiro | Nasta Dragun |