| # | Species, Forms, etc. | First seen | Count | Location | Observer | Checklist |
|---|---|---|---|---|---|---|
| 1 | Little Tern Sternula albifrons | 10th May 2025 7:40 a.m. | 15 | Ria de Aveiro--Canal de Ovar--troço São Jacinto-Ponte da Varela Murtosa, Aveiro | Marco Nunes | |
| 2 | Black Tern Chlidonias niger | 10th May 2025 7:40 a.m. | 1 | Ria de Aveiro--Canal de Ovar--troço São Jacinto-Ponte da Varela Murtosa, Aveiro | Marco Nunes |
15, Little Tern(Sternula albifrons)
10th May 2025, 7:40 a.m.
1, Black Tern(Chlidonias niger)
10th May 2025, 7:40 a.m.