Select until 4 February
Totals Bahia de Portman 2017 - 2026
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |
| 1. | Little Stint | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1.5 | 0 | 3 (2026) | | | | |
| 2. | Sandwich Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 6 | 11 | 5.5 | 7 | 6 (2026) | | | | |
| 3. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 9 | 4.5 | 150 | 7 (2026) | | | | |
| 4. | Audouin's Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 27 | 13.5 | 81 | 27 (2026) | | | | |
| 5. | Mediterranean Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 2 | 12 | 6 | 2 | 10 (2025) | | | | |
| 6. | Great Skua | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 | 2 | 0 | 3 (2026) | | | | |
| 7. | Razorbill | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 2 | 0 | 4 (2025) | | | | |
| 8. | alca / fratercula spec | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 2 | 0 | 4 (2026) | | | | |
| 9. | Storm Petrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 4 | 0 | 8 (2026) | | | | |
| 10. | Scopoli's Shearwater | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2026) | | | | |
| 11. | Yelkouan Shearwater | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 5 | 2.5 | 0 | 4 (2025) | | | | |
| 12. | Balearic Shearwater | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 7 | 13 | 6.5 | 0 | 7 (2026) | | | | |
| 13. | Balearic-/Yelkouan Shearwater | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 117 | 39 | 156 | 78 | 0 | 117 (2025) | | | | |
| 14. | Gannet | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 134 | 192 | 96 | 6 | 134 (2026) | | | | |
| 15. | Cormorant | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 6 | 3 | 19 | 3 (2025) | | | | |
| 16. | Cormorant (p. c. carbo) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 4 | 1 | 8 (2026) | | | | |
| 17. | Shag | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 1 | 2 (2026) | | | | |
| Other species |
| 1. | Bottle-Nosed Dolphin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1.5 | 0 | 3 (2026) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |
| |
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 210 | 258 | 468 | 234 | 267 | | |
| |
Observation hours |
| | | | | | | | 3:00 | 6:00 | 9:00 | 4:30 | | | |