| Species | Date | Count | Location | Observer | Checklist |
|---|---|---|---|---|---|
| Atlantic Puffin Fratercula arctica | 6th Feb 2025 3:38 p.m. | 5 | Ao largo das Ilhas-Barreira Olhão, Faro | Samuel Conceição | |
| Razorbill Alca torda | 20th Feb 2025 3:06 p.m. | 1 | Ao largo das Ilhas-Barreira Olhão, Faro | Samuel Conceição | |
| Slender-billed Gull Chroicocephalus genei | 19th Apr 2025 9 a.m. | 1 | Ao largo das Ilhas-Barreira Olhão, Faro | Michelle Reiner | |
| Black-headed Gull Chroicocephalus ridibundus | 6th Feb 2025 3:38 p.m. | 3 | Ao largo das Ilhas-Barreira Olhão, Faro | Samuel Conceição | |
| Audouin's Gull Ichthyaetus audouinii | 6th Feb 2025 3:38 p.m. | 500 | Ao largo das Ilhas-Barreira Olhão, Faro | Samuel Conceição | |
| Yellow-legged Gull Larus michahellis | 6th Feb 2025 3:38 p.m. | X | Ao largo das Ilhas-Barreira Olhão, Faro | Samuel Conceição | |
| Lesser Black-backed Gull Larus fuscus | 6th Feb 2025 3:38 p.m. | X | Ao largo das Ilhas-Barreira Olhão, Faro | Samuel Conceição | |
| Yellow-legged/Lesser Black-backed Gull Larus michahellis/fuscus | 20th Feb 2025 3:06 p.m. | 500 | Ao largo das Ilhas-Barreira Olhão, Faro | Samuel Conceição | |
| Little Tern Sternula albifrons | 19th Apr 2025 9 a.m. | 2 | Ao largo das Ilhas-Barreira Olhão, Faro | Michelle Reiner | |
| Black Tern Chlidonias niger | 19th Apr 2025 9 a.m. | 2 | Ao largo das Ilhas-Barreira Olhão, Faro | Michelle Reiner | |
| Sandwich Tern Thalasseus sandvicensis | 19th Apr 2025 9 a.m. | 3 | Ao largo das Ilhas-Barreira Olhão, Faro | Michelle Reiner | |
| European Storm-Petrel Hydrobates pelagicus | 20th Feb 2025 3:06 p.m. | 3 | Ao largo das Ilhas-Barreira Olhão, Faro | Samuel Conceição | |
| Hydrobates sp. Hydrobates sp. | 6th Feb 2025 3:38 p.m. | 2 | Ao largo das Ilhas-Barreira Olhão, Faro | Samuel Conceição | |
| Balearic Shearwater Puffinus mauretanicus | 20th Feb 2025 3:06 p.m. | 4 | Ao largo das Ilhas-Barreira Olhão, Faro | Guilherme Mendes | |
| Northern Gannet Morus bassanus | 6th Feb 2025 3:38 p.m. | 15 | Ao largo das Ilhas-Barreira Olhão, Faro | Samuel Conceição |
5, Atlantic Puffin(Fratercula arctica)
1, Razorbill(Alca torda)
1, Slender-billed Gull(Chroicocephalus genei)
3, Black-headed Gull(Chroicocephalus ridibundus)
500, Audouin's Gull(Ichthyaetus audouinii)
X, Yellow-legged Gull(Larus michahellis)
X, Lesser Black-backed Gull(Larus fuscus)
500, Yellow-legged/Lesser Black-backed Gull(Larus michahellis/fuscus)
2, Little Tern(Sternula albifrons)
2, Black Tern(Chlidonias niger)
3, Sandwich Tern(Thalasseus sandvicensis)
3, European Storm-Petrel(Hydrobates pelagicus)
2, Hydrobates sp.(Hydrobates sp.)
4, Balearic Shearwater(Puffinus mauretanicus)
15, Northern Gannet(Morus bassanus)