Sunday, 19th January 2025, 11:34 a.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL, Porto, Porto, Portugal
João Vieira Silva
| 2 | Muscovy Duck (Domestic type)Cairina moschata (Domestic type) |
| 6 | Mallard (Domestic type)Anas platyrhynchos (Domestic type) |
| 1 | Muscovy Duck x Mallard (hybrid)Cairina moschata x Anas platyrhynchos |
| 13 | Feral PigeonColumba livia (Feral Pigeon) |
| 2 | Ruddy TurnstoneArenaria interpres |
| 1 | SanderlingCalidris alba |
| X | Black-headed GullChroicocephalus ridibundus |
| X | Yellow-legged GullLarus michahellis |
| X | Lesser Black-backed GullLarus fuscus |
| 2 | Great CormorantPhalacrocorax carbo |
| 1 | Little EgretEgretta garzetta |
| 2 | Western Cattle-EgretArdea ibis |
| 1 | Grey HeronArdea cinerea |
| 1 | Common MagpiePica pica |
| 1 | Grey WagtailMotacilla cinerea |
| 1 | Pied Wagtail/White WagtailMotacilla alba |