| Species | Date | Count | Location | Observer | Checklist |
|---|---|---|---|---|---|
| Whimbrel Numenius phaeopus | 20th Apr 2025 7:21 p.m. | 1 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| Ruddy Turnstone Arenaria interpres | 20th Apr 2025 7:21 p.m. | 63 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| Sanderling Calidris alba | 20th Apr 2025 7:21 p.m. | 4 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| Arctic Skua Stercorarius parasiticus | 20th Apr 2025 7:21 p.m. | 1 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| Great Skua Stercorarius skua | 10th May 2025 8:15 a.m. | 1 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| Yellow-legged Gull Larus michahellis | 20th Apr 2025 7:21 p.m. | 34 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| Lesser Black-backed Gull Larus fuscus | 20th Apr 2025 7:21 p.m. | 2 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| Sandwich Tern Thalasseus sandvicensis | 20th Apr 2025 7:21 p.m. | 4 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| Cory's Shearwater Calonectris borealis | 20th Apr 2025 7:21 p.m. | 2 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| Manx Shearwater Puffinus puffinus | 10th May 2025 8:15 a.m. | 1 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| Yelkouan Shearwater Puffinus yelkouan | 10th May 2025 8:15 a.m. | 1 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| Balearic Shearwater Puffinus mauretanicus | 10th May 2025 8:15 a.m. | 20 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| Northern Gannet Morus bassanus | 20th Apr 2025 7:21 p.m. | 15 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| European Shag Gulosus aristotelis | 20th Apr 2025 7:21 p.m. | 4 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro | |
| Black Redstart Phoenicurus ochruros | 20th Apr 2025 7:21 p.m. | 1 | PN Sintra-Cascais--Cabo Raso Cascais, Lisboa | Jose Paulo Monteiro |
1, Whimbrel(Numenius phaeopus)
63, Ruddy Turnstone(Arenaria interpres)
4, Sanderling(Calidris alba)
1, Arctic Skua(Stercorarius parasiticus)
1, Great Skua(Stercorarius skua)
34, Yellow-legged Gull(Larus michahellis)
2, Lesser Black-backed Gull(Larus fuscus)
4, Sandwich Tern(Thalasseus sandvicensis)
2, Cory's Shearwater(Calonectris borealis)
1, Manx Shearwater(Puffinus puffinus)
1, Yelkouan Shearwater(Puffinus yelkouan)
20, Balearic Shearwater(Puffinus mauretanicus)
15, Northern Gannet(Morus bassanus)
4, European Shag(Gulosus aristotelis)
1, Black Redstart(Phoenicurus ochruros)