Sunday, 4th May 2025, 12:42 p.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL, Porto, Porto, Portugal
Francisco Pires
| 3 | MallardAnas platyrhynchos |
| X | Feral PigeonColumba livia (Feral Pigeon) |
| 3 | Common SandpiperActitis hypoleucos |
| 1 | Black-headed GullChroicocephalus ridibundus |
| 3 | Mediterranean GullIchthyaetus melanocephalus |
| X | Yellow-legged GullLarus michahellis |
| X | Lesser Black-backed GullLarus fuscus |
| 100 | Yellow-legged/Lesser Black-backed GullLarus michahellis/fuscus |
| 1 | Common MagpiePica pica |
| 1 | Pied Wagtail/White WagtailMotacilla alba |