| Species | Date | Count | Location | Observer | Checklist |
|---|---|---|---|---|---|
| Common Scoter Melanitta nigra | 21st Mar 2025 10:15 a.m. | 51 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Whimbrel Numenius phaeopus | 26th Jan 2025 8:50 a.m. | 1 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Ruddy Turnstone Arenaria interpres | 26th Jan 2025 8:50 a.m. | 5 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Arctic Skua Stercorarius parasiticus | 21st Mar 2025 10:15 a.m. | 1 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Great Skua Stercorarius skua | 21st Mar 2025 10:15 a.m. | 2 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Black-headed Gull Chroicocephalus ridibundus | 21st Mar 2025 10:15 a.m. | 1 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Mediterranean Gull Ichthyaetus melanocephalus | 26th Jan 2025 8:50 a.m. | 5 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Yellow-legged Gull Larus michahellis | 26th Jan 2025 8:50 a.m. | 43 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Lesser Black-backed Gull Larus fuscus | 26th Jan 2025 8:50 a.m. | 32 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Sandwich Tern Thalasseus sandvicensis | 26th Jan 2025 8:50 a.m. | 10 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Balearic Shearwater Puffinus mauretanicus | 26th Jan 2025 8:50 a.m. | 6 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Northern Gannet Morus bassanus | 26th Jan 2025 8:50 a.m. | 118 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Great Cormorant Phalacrocorax carbo | 26th Jan 2025 8:50 a.m. | 2 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| European Shag Gulosus aristotelis | 26th Jan 2025 8:50 a.m. | 3 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Black Redstart Phoenicurus ochruros | 26th Jan 2025 8:50 a.m. | 1 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins | |
| Pied Wagtail/White Wagtail Motacilla alba | 26th Jan 2025 8:50 a.m. | 1 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Nuno Martins |
51, Common Scoter(Melanitta nigra)
1, Whimbrel(Numenius phaeopus)
5, Ruddy Turnstone(Arenaria interpres)
1, Arctic Skua(Stercorarius parasiticus)
2, Great Skua(Stercorarius skua)
1, Black-headed Gull(Chroicocephalus ridibundus)
5, Mediterranean Gull(Ichthyaetus melanocephalus)
43, Yellow-legged Gull(Larus michahellis)
32, Lesser Black-backed Gull(Larus fuscus)
10, Sandwich Tern(Thalasseus sandvicensis)
6, Balearic Shearwater(Puffinus mauretanicus)
118, Northern Gannet(Morus bassanus)
2, Great Cormorant(Phalacrocorax carbo)
3, European Shag(Gulosus aristotelis)
1, Black Redstart(Phoenicurus ochruros)
1, Pied Wagtail/White Wagtail(Motacilla alba)