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Totals Delta de la Tordera 2024
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Shelduck | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 2 ( 6 Jul) | 7 | 1 | 6 Jul | 6 Jul | ||||
| 2. | Garganey | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 3 ( 6 Apr) | 7 | 1 | 6 Apr | 6 Apr | ||||
| 3. | Shoveler | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 3 (12 Mar) | 7 | 1 | 12 Mar | 12 Mar | ||||
| 4. | duck sp. | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 3 ( 6 Jul) | 7 | 1 | 6 Jul | 6 Jul | ||||
| 5. | Pochard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 (14 Dec) | 7 | 1 | 14 Dec | 14 Dec | ||||
| 6. | Nightjar | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (28 Apr) | 7 | 1 | 28 Apr | 28 Apr | ||||
| 7. | Apus sp. | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 6 | 3 | 3 | 6 ( 6 Jul) | 7 | 1 | 6 Jul | 6 Jul | ||||
| 8. | Little Ringed Plover | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 2 ( 6 Apr) | 7 | 1 | 6 Apr | 6 Apr | ||||
| 9. | Temminck's Stint | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (28 Apr) | 7 | 1 | 28 Apr | 28 Apr | ||||
| 10. | Sanderling | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 3 (28 Apr) | 7 | 1 | 28 Apr | 28 Apr | ||||
| 11. | Gull-billed Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 ( 3 Aug) | 7 | 1 | 3 Aug | 3 Aug | ||||
| 12. | Common Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 ( 3 Aug) | 7 | 1 | 3 Aug | 3 Aug | ||||
| 13. | Sandwich Tern | 16 | 5 | 4 | 36 | 0 | 0 | 0 | 0 | 18 | 1 | 2 | 0 | 82 | 32 | 50 | 24 ( 6 Apr) | 67 | 10 | 7 Jan | 9 Nov | ||||
| 14. | Little Gull | 0 | 0 | 0 | 258 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 258 | 177 | 81 | 258 ( 6 Apr) | 7 | 1 | 6 Apr | 6 Apr | ||||
| 15. | Kittiwake | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 ( 6 Apr) | 7 | 1 | 6 Apr | 6 Apr | ||||
| 16. | Black-headed Gull | 32 | 12 | 216 | 1 | 2 | 0 | 3 | 5 | 24 | 13 | 9 | 3 | 320 | 86 | 234 | 132 ( 2 Mar) | 87 | 13 | 7 Jan | 14 Dec | ||||
| 17. | small gull sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 4 | 4 | 0 | 4 ( 3 Aug) | 7 | 1 | 3 Aug | 3 Aug | ||||
| 18. | Audouin's Gull | 0 | 9 | 8 | 9 | 26 | 13 | 2 | 0 | 6 | 8 | 0 | 0 | 81 | 65 | 16 | 26 ( 5 May) | 67 | 10 | 3 Feb | 5 Oct | ||||
| 19. | Mediterranean Gull | 24 | 0 | 39 | 19 | 4 | 0 | 0 | 5 | 18 | 0 | 2 | 3 | 114 | 75 | 39 | 25 ( 2 Mar) | 73 | 11 | 7 Jan | 14 Dec | ||||
| 20. | Herring Gull (subsp. argentatus) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 31 | 17 | 14 | 31 ( 5 Oct) | 7 | 1 | 5 Oct | 5 Oct | ||||
| 21. | Yellow-legged Gull | 201 | 10 | 45 | 62 | 15 | 12 | 27 | 14 | 82 | 0 | 18 | 115 | 601 | 411 | 190 | 201 ( 7 Jan) | 93 | 14 | 7 Jan | 14 Dec | ||||
| 22. | Larus graellsii | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 4 | 4 | 0 | 3 (10 Sep) | 13 | 2 | 12 Mar | 10 Sep | ||||
| 23. | Laridae sp. | 0 | 0 | 18 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 27 | 9 | 18 | 18 ( 2 Mar) | 20 | 3 | 2 Mar | 9 Nov | ||||
| 24. | skua sp. | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 1 ( 2 Mar) | 13 | 2 | 2 Mar | 9 Nov | ||||
| 25. | Arctic Skua | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 1 | 2 ( 6 Apr) | 13 | 2 | 6 Apr | 2 Jun | ||||
| 26. | S. parasiticus / pomarinus | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (28 Apr) | 7 | 1 | 28 Apr | 28 Apr | ||||
| 27. | Pomarine Skua | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 2 (28 Apr) | 13 | 2 | 6 Apr | 28 Apr | ||||
| 28. | Puffin | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 ( 6 Jul) | 7 | 1 | 6 Jul | 6 Jul | ||||
| 29. | Razorbill | 8 | 7 | 0 | 1 | 0 | 5 | 0 | 0 | 0 | 0 | 2 | 1 | 24 | 17 | 7 | 8 ( 7 Jan) | 40 | 6 | 7 Jan | 14 Dec | ||||
| 30. | alca / fratercula spec | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 ( 6 Apr) | 7 | 1 | 6 Apr | 6 Apr | ||||
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Cory's Shearwater | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 17 | 1 | 16 | 17 ( 5 Oct) | 7 | 1 | 5 Oct | 5 Oct | ||||
| 32. | Scopoli's Shearwater | 0 | 0 | 0 | 171 | 59 | 95 | 57 | 26 | 7 | 0 | 0 | 0 | 415 | 280 | 135 | 95 ( 2 Jun) | 53 | 8 | 6 Apr | 10 Sep | ||||
| 33. | Yelkouan Shearwater | 56 | 112 | 36 | 559 | 463 | 38 | 8 | 1 | 12 | 18 | 269 | 29 | 1601 | 1329 | 272 | 463 ( 5 May) | 100 | 15 | 7 Jan | 14 Dec | ||||
| 34. | Balearic Shearwater | 13 | 3 | 75 | 77 | 2 | 52 | 1 | 0 | 2 | 9 | 82 | 0 | 316 | 169 | 147 | 82 ( 9 Nov) | 80 | 12 | 7 Jan | 9 Nov | ||||
| 35. | Balearic-/Yelkouan Shearwater | 18 | 59 | 381 | 365 | 2 | 0 | 30 | 4 | 3 | 39 | 115 | 0 | 1016 | 584 | 432 | 296 ( 2 Mar) | 80 | 12 | 7 Jan | 9 Nov | ||||
| 36. | Gannet | 24 | 8 | 10 | 4 | 15 | 0 | 5 | 1 | 0 | 5 | 9 | 4 | 85 | 47 | 38 | 24 ( 7 Jan) | 80 | 12 | 7 Jan | 14 Dec | ||||
| 37. | Cormorant | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 15 | 9 | 6 | 14 ( 9 Nov) | 13 | 2 | 6 Apr | 9 Nov | ||||
| 38. | Cormorant (p. c. carbo) | 7 | 0 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 20 | 1 | 19 | 7 ( 7 Jan) | 27 | 4 | 7 Jan | 14 Dec | ||||
| 39. | sinensis Cormorant (P.c.sinensis) | 0 | 3 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 20 | 17 (12 Mar) | 13 | 2 | 3 Feb | 12 Mar | ||||
| 40. | Shag | 0 | 6 | 2 | 2 | 16 | 15 | 4 | 15 | 29 | 14 | 8 | 3 | 114 | 8 | 106 | 16 ( 5 May) | 80 | 12 | 3 Feb | 14 Dec | ||||
| 41. | Glossy Ibis | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 314 | 318 | 4 | 314 | 314 (14 Dec) | 13 | 2 | 5 May | 14 Dec | ||||
| 42. | Swallow | 0 | 0 | 0 | 67 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 72 | 5 | 67 | 67 (28 Apr) | 13 | 2 | 28 Apr | 7 Sep | ||||
| 43. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 ( 3 Aug) | 7 | 1 | 3 Aug | 3 Aug | ||||
| Other species | |||||||||||||||||||||||||
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Bottle-Nosed Dolphin | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 12 | 1 | 11 | 6 ( 7 Jan) | 20 | 3 | 7 Jan | 14 Dec | ||||
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 405 | 234 | 860 | 1655 | 609 | 231 | 149 | 78 | 209 | 155 | 538 | 485 | 5608 | 3353 | 2255 | 100 | 15 | ||||||||
| Observation hours | 2:05 | 2:01 | 3:34 | 4:03 | 2:00 | 1:55 | 2:01 | 1:59 | 4:02 | 2:03 | 2:01 | 2:04 | 29:48 | ||||||||||||
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