Monday, 10th February 2025, 9:43 a.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL, Porto, Porto, Portugal
Francisco Pires
| 6 | MallardAnas platyrhynchos |
| X | Feral PigeonColumba livia (Feral Pigeon) |
| 2 | Common SandpiperActitis hypoleucos |
| 5 | Black-headed GullChroicocephalus ridibundus |
| X | Yellow-legged GullLarus michahellis |
| X | Lesser Black-backed GullLarus fuscus |
| 100 | Yellow-legged/Lesser Black-backed GullLarus michahellis/fuscus |
| 10 | Great CormorantPhalacrocorax carbo |
| 1 | Grey HeronArdea cinerea |