Saturday, 3rd May 2025, 10:59 a.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL, Porto, Porto, Portugal
Francisco Pires
| 3 | Egyptian GooseAlopochen aegyptiaca |
| 3 | Muscovy Duck (Domestic type)Cairina moschata (Domestic type) |
| 4 | MallardAnas platyrhynchos |
| X | Feral PigeonColumba livia (Feral Pigeon) |
| 1 | Common SandpiperActitis hypoleucos |
| 8 | Black-headed GullChroicocephalus ridibundus |
| 2 | Mediterranean GullIchthyaetus melanocephalus |
| X | Yellow-legged GullLarus michahellis |
| X | Lesser Black-backed GullLarus fuscus Anilha Black Y=A |
| 100 | Yellow-legged/Lesser Black-backed GullLarus michahellis/fuscus |
| 2 | Great CormorantPhalacrocorax carbo |
| 2 | Common MagpiePica pica |