Thursday, 22nd May 2025, 4:53 p.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL, Porto, Porto, Portugal
Francisco Pires
| 100 | Yellow-legged/Lesser Black-backed GullLarus michahellis/fuscus |
| 1 | Great CormorantPhalacrocorax carbo |
| 1 | Common MagpiePica pica |
| 3 | Egyptian GooseAlopochen aegyptiaca |
| 2 | Muscovy Duck (Domestic type)Cairina moschata |
| 5 | MallardAnas platyrhynchos |
| X | Feral PigeonColumba livia (Feral Pigeon) |
| X | Yellow-legged GullLarus michahellis |
| X | Lesser Black-backed GullLarus fuscus Anilha red/blue 7S |