Also present
Totals Pointe du Hourdel (Baie de Somme) 2021
| Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 0 | 24 | 1 | 25 | 0 | 25 | 23 (11 Apr) | 18 | 3 | 11 Apr | 1 May | ||||
| 2. | Greylag Goose | 0 | 4 | 0 | 4 | 0 | 4 | 2 (17 Apr) | 12 | 2 | 17 Apr | 21 Apr | ||||
| 3. | Mute Swan | 0 | 10 | 0 | 10 | 0 | 10 | 7 (21 Apr) | 12 | 2 | 21 Apr | 22 Apr | ||||
| 4. | Shelduck | 0 | 202 | 36 | 238 | 17 | 221 | 63 (22 Apr) | 41 | 7 | 21 Apr | 8 May | ||||
| 5. | Garganey | 0 | 4 | 0 | 4 | 0 | 4 | 4 (21 Apr) | 6 | 1 | 21 Apr | 21 Apr | ||||
| 6. | Shoveler | 7 | 57 | 0 | 64 | 0 | 64 | 24 (24 Apr) | 47 | 8 | 31 Mar | 25 Apr | ||||
| 7. | Gadwall | 0 | 4 | 0 | 4 | 0 | 4 | 2 (21 Apr) | 12 | 2 | 21 Apr | 24 Apr | ||||
| 8. | Wigeon | 0 | 14 | 0 | 14 | 0 | 14 | 14 (28 Apr) | 6 | 1 | 28 Apr | 28 Apr | ||||
| 9. | Mallard | 0 | 4 | 0 | 4 | 0 | 4 | 2 (22 Apr) | 12 | 2 | 22 Apr | 24 Apr | ||||
| 10. | Pintail | 0 | 3 | 0 | 3 | 0 | 3 | 2 (25 Apr) | 12 | 2 | 24 Apr | 25 Apr | ||||
| 11. | Teal | 0 | 26 | 0 | 26 | 10 | 16 | 20 (24 Apr) | 24 | 4 | 21 Apr | 28 Apr | ||||
| 12. | dabbling duck sp. | 0 | 1 | 0 | 1 | 0 | 1 | 1 (21 Apr) | 6 | 1 | 21 Apr | 21 Apr | ||||
| 13. | Pochard | 0 | 2 | 0 | 2 | 0 | 2 | 2 (21 Apr) | 6 | 1 | 21 Apr | 21 Apr | ||||
| 14. | Tufted Duck | 0 | 2 | 0 | 2 | 0 | 2 | 2 ( 1 Apr) | 6 | 1 | 1 Apr | 1 Apr | ||||
| 15. | Eider | 0 | 49 | 27 | 76 | 0 | 76 | 45 (28 Apr) | 18 | 3 | 22 Apr | 1 May | ||||
| 16. | Common Scoter | 0 | 554 | 20 | 574 | 10 | 564 | 160 (28 Apr) | 53 | 9 | 11 Apr | 1 May | ||||
| 17. | Goldeneye | 0 | 2 | 0 | 2 | 0 | 2 | 2 (15 Apr) | 6 | 1 | 15 Apr | 15 Apr | ||||
| 18. | Red-breasted Merganser | 0 | 25 | 4 | 29 | 11 | 18 | 10 (21 Apr) | 35 | 6 | 17 Apr | 8 May | ||||
| 19. | Swift | 0 | 246 | 70 | 316 | 0 | 316 | 229 (25 Apr) | 41 | 7 | 22 Apr | 8 May | ||||
| 20. | Cuckoo | 0 | 2 | 0 | 2 | 0 | 2 | 1 ( 1 Apr) | 12 | 2 | 1 Apr | 25 Apr | ||||
| 21. | Stock Dove | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 1 Apr) | 6 | 1 | 1 Apr | 1 Apr | ||||
| 22. | Woodpigeon | 482 | 520 | 0 | 1002 | 0 | 1002 | 288 (30 Mar) | 82 | 14 | 30 Mar | 28 Apr | ||||
| 23. | Turtle Dove | 0 | 2 | 6 | 8 | 0 | 8 | 6 ( 8 May) | 12 | 2 | 25 Apr | 8 May | ||||
| 24. | Collared Dove | 2 | 0 | 0 | 2 | 0 | 2 | 2 (31 Mar) | 6 | 1 | 31 Mar | 31 Mar | ||||
| 25. | Red-necked Grebe | 0 | 3 | 0 | 3 | 0 | 3 | 2 (24 Apr) | 12 | 2 | 22 Apr | 24 Apr | ||||
| 26. | Great Crested Grebe | 0 | 6 | 3 | 9 | 0 | 9 | 3 (22 Apr) | 29 | 5 | 22 Apr | 1 May | ||||
| 27. | Oystercatcher | 0 | 143 | 60 | 203 | 52 | 151 | 78 (21 Apr) | 47 | 8 | 21 Apr | 8 May | ||||
| 28. | Black-winged Stilt | 0 | 7 | 1 | 8 | 0 | 8 | 5 (24 Apr) | 18 | 3 | 14 Apr | 1 May | ||||
| 29. | Avocet | 0 | 258 | 0 | 258 | 0 | 258 | 91 (24 Apr) | 41 | 7 | 14 Apr | 28 Apr | ||||
| 30. | Grey Plover | 0 | 134 | 97 | 231 | 0 | 231 | 80 ( 8 May) | 65 | 11 | 11 Apr | 8 May | ||||
| Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Ringed Plover | 0 | 45 | 560 | 605 | 0 | 605 | 524 ( 8 May) | 41 | 7 | 22 Apr | 8 May | ||||
| 32. | Little Ringed Plover | 2 | 4 | 0 | 6 | 0 | 6 | 2 (30 Mar) | 18 | 3 | 30 Mar | 22 Apr | ||||
| 33. | Lapwing | 0 | 5 | 0 | 5 | 0 | 5 | 4 (23 Apr) | 12 | 2 | 11 Apr | 23 Apr | ||||
| 34. | Kentish Plover | 0 | 7 | 1 | 8 | 0 | 8 | 5 (22 Apr) | 18 | 3 | 22 Apr | 8 May | ||||
| 35. | Whimbrel | 0 | 2380 | 39 | 2419 | 4 | 2415 | 628 (22 Apr) | 76 | 13 | 11 Apr | 8 May | ||||
| 36. | Curlew | 0 | 34 | 5 | 39 | 0 | 39 | 31 (22 Apr) | 35 | 6 | 11 Apr | 8 May | ||||
| 37. | Bar-tailed Godwit | 0 | 131 | 9 | 140 | 0 | 140 | 80 (22 Apr) | 41 | 7 | 17 Apr | 8 May | ||||
| 38. | Black-tailed Godwit | 0 | 9 | 0 | 9 | 0 | 9 | 5 (17 Apr) | 18 | 3 | 13 Apr | 24 Apr | ||||
| 39. | Snipe | 0 | 1 | 0 | 1 | 0 | 1 | 1 (13 Apr) | 6 | 1 | 13 Apr | 13 Apr | ||||
| 40. | Common Sandpiper | 0 | 9 | 0 | 9 | 0 | 9 | 9 (23 Apr) | 6 | 1 | 23 Apr | 23 Apr | ||||
| 41. | Green Sandpiper | 1 | 16 | 0 | 17 | 0 | 17 | 11 (25 Apr) | 29 | 5 | 30 Mar | 25 Apr | ||||
| 42. | Redshank | 0 | 1366 | 434 | 1800 | 0 | 1800 | 436 (25 Apr) | 82 | 14 | 10 Apr | 8 May | ||||
| 43. | Spotted Redshank | 0 | 11 | 0 | 11 | 0 | 11 | 6 (24 Apr) | 24 | 4 | 22 Apr | 28 Apr | ||||
| 44. | Greenshank | 0 | 162 | 88 | 250 | 0 | 250 | 67 (25 Apr) | 47 | 8 | 15 Apr | 8 May | ||||
| 45. | Turnstone | 0 | 7 | 8 | 15 | 1 | 14 | 8 ( 8 May) | 29 | 5 | 21 Apr | 8 May | ||||
| 46. | Knot | 0 | 59 | 160 | 219 | 0 | 219 | 140 ( 8 May) | 35 | 6 | 17 Apr | 8 May | ||||
| 47. | wader sp. | 0 | 5 | 0 | 5 | 0 | 5 | 5 (21 Apr) | 6 | 1 | 21 Apr | 21 Apr | ||||
| 48. | Sanderling | 0 | 1040 | 376 | 1416 | 0 | 1416 | 319 (23 Apr) | 53 | 9 | 11 Apr | 8 May | ||||
| 49. | Dunlin | 0 | 386 | 370 | 756 | 0 | 756 | 337 ( 8 May) | 59 | 10 | 11 Apr | 8 May | ||||
| 50. | Little Stint | 0 | 5 | 1 | 6 | 0 | 6 | 5 (17 Apr) | 12 | 2 | 17 Apr | 1 May | ||||
| 51. | Little Tern | 0 | 357 | 2 | 359 | 0 | 359 | 150 (23 Apr) | 35 | 6 | 21 Apr | 1 May | ||||
| 52. | Caspian Tern | 0 | 1 | 0 | 1 | 0 | 1 | 1 (25 Apr) | 6 | 1 | 25 Apr | 25 Apr | ||||
| 53. | Black Tern | 0 | 18 | 0 | 18 | 0 | 18 | 9 (24 Apr) | 24 | 4 | 21 Apr | 24 Apr | ||||
| 54. | Common Tern | 0 | 1458 | 1 | 1459 | 0 | 1459 | 798 (23 Apr) | 41 | 7 | 21 Apr | 1 May | ||||
| 55. | Sandwich Tern | 0 | 438 | 14 | 452 | 19 | 433 | 229 (21 Apr) | 53 | 9 | 11 Apr | 8 May | ||||
| 56. | Little Gull | 0 | 392 | 0 | 392 | 0 | 392 | 182 (23 Apr) | 41 | 7 | 11 Apr | 28 Apr | ||||
| 57. | Black-headed Gull | 181 | 722 | 35 | 938 | 0 | 938 | 151 (30 Mar) | 76 | 13 | 30 Mar | 1 May | ||||
| 58. | Mediterranean Gull | 5 | 34 | 5 | 44 | 0 | 44 | 9 (23 Apr) | 65 | 11 | 30 Mar | 8 May | ||||
| 59. | Lesser Black-backed Gull | 21 | 242 | 40 | 303 | 0 | 303 | 75 (11 Apr) | 71 | 12 | 30 Mar | 8 May | ||||
| 60. | Arctic Skua | 0 | 2 | 0 | 2 | 0 | 2 | 1 (21 Apr) | 12 | 2 | 21 Apr | 28 Apr | ||||
| Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Pomarine Skua | 0 | 1 | 0 | 1 | 0 | 1 | 1 (21 Apr) | 6 | 1 | 21 Apr | 21 Apr | ||||
| 62. | Great Skua | 0 | 1 | 0 | 1 | 1 | 0 | 1 (21 Apr) | 6 | 1 | 21 Apr | 21 Apr | ||||
| 63. | Red-throated Diver | 0 | 12 | 2 | 14 | 0 | 14 | 6 (22 Apr) | 24 | 4 | 21 Apr | 1 May | ||||
| 64. | Black-throated Diver | 0 | 1 | 0 | 1 | 0 | 1 | 1 (22 Apr) | 6 | 1 | 22 Apr | 22 Apr | ||||
| 65. | Gannet | 0 | 30 | 4 | 34 | 0 | 34 | 13 (24 Apr) | 35 | 6 | 21 Apr | 1 May | ||||
| 66. | Cormorant | 31 | 339 | 0 | 370 | 0 | 370 | 73 (22 Apr) | 76 | 13 | 30 Mar | 28 Apr | ||||
| 67. | Spoonbill | 0 | 35 | 0 | 35 | 0 | 35 | 20 (25 Apr) | 24 | 4 | 21 Apr | 25 Apr | ||||
| 68. | Little Egret | 0 | 4 | 0 | 4 | 0 | 4 | 2 (21 Apr) | 18 | 3 | 17 Apr | 28 Apr | ||||
| 69. | Cattle Egret | 0 | 2 | 0 | 2 | 0 | 2 | 2 (21 Apr) | 6 | 1 | 21 Apr | 21 Apr | ||||
| 70. | Great White Egret | 1 | 5 | 0 | 6 | 0 | 6 | 3 (28 Apr) | 24 | 4 | 30 Mar | 28 Apr | ||||
| 71. | Grey Heron | 5 | 75 | 10 | 90 | 1 | 89 | 17 (24 Apr) | 76 | 13 | 30 Mar | 8 May | ||||
| 72. | Purple Heron | 0 | 4 | 0 | 4 | 0 | 4 | 3 (23 Apr) | 12 | 2 | 23 Apr | 24 Apr | ||||
| 73. | Osprey | 0 | 1 | 0 | 1 | 0 | 1 | 1 (24 Apr) | 6 | 1 | 24 Apr | 24 Apr | ||||
| 74. | Sparrowhawk | 1 | 7 | 0 | 8 | 0 | 8 | 3 (14 Apr) | 35 | 6 | 30 Mar | 25 Apr | ||||
| 75. | Marsh Harrier | 1 | 31 | 2 | 34 | 0 | 34 | 7 (17 Apr) | 59 | 10 | 30 Mar | 8 May | ||||
| 76. | Hen Harrier | 0 | 1 | 1 | 2 | 0 | 2 | 1 (23 Apr) | 12 | 2 | 23 Apr | 8 May | ||||
| 77. | Black Kite | 0 | 3 | 0 | 3 | 0 | 3 | 2 (25 Apr) | 12 | 2 | 25 Apr | 28 Apr | ||||
| 78. | Common Buzzard | 0 | 8 | 0 | 8 | 0 | 8 | 2 (22 Apr) | 29 | 5 | 11 Apr | 28 Apr | ||||
| 79. | Great Spotted Woodpecker | 3 | 1 | 0 | 4 | 0 | 4 | 3 (30 Mar) | 12 | 2 | 30 Mar | 17 Apr | ||||
| 80. | Kestrel | 3 | 9 | 0 | 12 | 0 | 12 | 2 (30 Mar) | 47 | 8 | 30 Mar | 28 Apr | ||||
| 81. | Merlin | 0 | 2 | 0 | 2 | 0 | 2 | 1 (15 Apr) | 12 | 2 | 15 Apr | 22 Apr | ||||
| 82. | Hobby | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 8 May) | 6 | 1 | 8 May | 8 May | ||||
| 83. | Peregrine | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 8 May) | 6 | 1 | 8 May | 8 May | ||||
| 84. | Jay | 0 | 1 | 0 | 1 | 0 | 1 | 1 (23 Apr) | 6 | 1 | 23 Apr | 23 Apr | ||||
| 85. | Jackdaw | 2 | 9 | 0 | 11 | 0 | 11 | 6 (15 Apr) | 18 | 3 | 30 Mar | 15 Apr | ||||
| 86. | Carrion Crow | 0 | 8 | 0 | 8 | 0 | 8 | 5 (17 Apr) | 24 | 4 | 13 Apr | 28 Apr | ||||
| 87. | Blue Tit | 3 | 2 | 0 | 5 | 0 | 5 | 3 (30 Mar) | 12 | 2 | 30 Mar | 1 Apr | ||||
| 88. | Great Tit | 0 | 2 | 0 | 2 | 0 | 2 | 2 (11 Apr) | 6 | 1 | 11 Apr | 11 Apr | ||||
| 89. | Skylark | 1 | 2 | 0 | 3 | 0 | 3 | 1 (30 Mar) | 18 | 3 | 30 Mar | 14 Apr | ||||
| 90. | Sand Martin | 44 | 130 | 74 | 248 | 0 | 248 | 74 ( 8 May) | 76 | 13 | 30 Mar | 8 May | ||||
| Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 91. | Swallow | 20 | 610 | 7220 | 7850 | 20 | 7830 | 7204 ( 8 May) | 100 | 17 | 30 Mar | 8 May | ||||
| 92. | House Martin | 0 | 12 | 105 | 117 | 0 | 117 | 102 ( 8 May) | 29 | 5 | 24 Apr | 8 May | ||||
| 93. | Willow Warbler | 0 | 1 | 0 | 1 | 0 | 1 | 1 (15 Apr) | 6 | 1 | 15 Apr | 15 Apr | ||||
| 94. | Chiffchaff | 6 | 6 | 0 | 12 | 0 | 12 | 5 (30 Mar) | 24 | 4 | 30 Mar | 15 Apr | ||||
| 95. | Blackcap | 2 | 0 | 0 | 2 | 0 | 2 | 2 (31 Mar) | 6 | 1 | 31 Mar | 31 Mar | ||||
| 96. | Starling | 0 | 4 | 0 | 4 | 0 | 4 | 2 (24 Apr) | 12 | 2 | 24 Apr | 25 Apr | ||||
| 97. | Song Thrush | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 1 Apr) | 6 | 1 | 1 Apr | 1 Apr | ||||
| 98. | Ring Ouzel | 0 | 2 | 0 | 2 | 0 | 2 | 1 ( 1 Apr) | 12 | 2 | 1 Apr | 13 Apr | ||||
| 99. | House Sparrow | 0 | 1 | 0 | 1 | 0 | 1 | 1 (17 Apr) | 6 | 1 | 17 Apr | 17 Apr | ||||
| 100. | Dunnock | 0 | 2 | 0 | 2 | 0 | 2 | 2 (14 Apr) | 6 | 1 | 14 Apr | 14 Apr | ||||
| 101. | Blue-headed Wagtail | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 1 Apr) | 6 | 1 | 1 Apr | 1 Apr | ||||
| 102. | Yellow wagtail sp. | 7 | 223 | 10 | 240 | 3 | 237 | 87 (24 Apr) | 88 | 15 | 30 Mar | 8 May | ||||
| 103. | alba wagtail sp. | 18 | 31 | 11 | 60 | 0 | 60 | 11 (30 Mar) | 82 | 14 | 30 Mar | 8 May | ||||
| 104. | Meadow Pipit | 149 | 586 | 0 | 735 | 4 | 731 | 162 ( 1 Apr) | 88 | 15 | 30 Mar | 28 Apr | ||||
| 105. | Tree Pipit | 0 | 5 | 0 | 5 | 0 | 5 | 1 ( 1 Apr) | 29 | 5 | 1 Apr | 25 Apr | ||||
| 106. | Chaffinch | 11 | 4 | 0 | 15 | 0 | 15 | 9 (30 Mar) | 29 | 5 | 30 Mar | 25 Apr | ||||
| 107. | Brambling | 1 | 0 | 0 | 1 | 0 | 1 | 1 (30 Mar) | 6 | 1 | 30 Mar | 30 Mar | ||||
| 108. | Bullfinch | 2 | 0 | 0 | 2 | 0 | 2 | 2 (30 Mar) | 6 | 1 | 30 Mar | 30 Mar | ||||
| 109. | Greenfinch | 9 | 2 | 0 | 11 | 0 | 11 | 9 (30 Mar) | 18 | 3 | 30 Mar | 25 Apr | ||||
| 110. | Linnet | 114 | 297 | 28 | 439 | 0 | 439 | 100 (30 Mar) | 88 | 15 | 30 Mar | 8 May | ||||
| 111. | Goldfinch | 29 | 304 | 0 | 333 | 0 | 333 | 78 ( 1 Apr) | 65 | 11 | 30 Mar | 25 Apr | ||||
| 112. | Serin | 0 | 1 | 0 | 1 | 0 | 1 | 1 (25 Apr) | 6 | 1 | 25 Apr | 25 Apr | ||||
| 113. | Siskin | 0 | 18 | 0 | 18 | 0 | 18 | 12 ( 1 Apr) | 29 | 5 | 1 Apr | 22 Apr | ||||
| 114. | Corn Bunting | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 1 May) | 6 | 1 | 1 May | 1 May | ||||
| 115. | Yellowhammer | 1 | 0 | 0 | 1 | 0 | 1 | 1 (31 Mar) | 6 | 1 | 31 Mar | 31 Mar | ||||
| 116. | Reed Bunting | 8 | 1 | 0 | 9 | 0 | 9 | 8 (30 Mar) | 12 | 2 | 30 Mar | 14 Apr | ||||
| Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 1173 | 14493 | 9943 | 25609 | 153 | 25456 | 100 | 17 | ||||||||
| Observation hours | 6:30 | 48:15 | 6:45 | 61:30 | ||||||||||||
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