Totals De Hoekse Sluis (Bergambacht) 2017
| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | May | Jun | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Barnacle Goose | 0 | 0 | 0 | 0 | 0 | 332 | 0 | 332 | 332 | 0 | 332 (31 Oct) | 7 | 1 | 31 Oct | 31 Oct | ||||
| 2. | Greylag Goose | 0 | 0 | 0 | 0 | 169 | 253 | 7 | 429 | 429 | 0 | 202 (31 Oct) | 43 | 6 | 29 Sep | 1 Nov | ||||
| 3. | goose sp. | 0 | 0 | 0 | 0 | 0 | 780 | 0 | 780 | 780 | 0 | 780 (31 Oct) | 7 | 1 | 31 Oct | 31 Oct | ||||
| 4. | Eurasian White-fronted Goose | 0 | 0 | 0 | 0 | 14 | 253 | 127 | 394 | 268 | 126 | 191 (31 Oct) | 36 | 5 | 30 Sep | 1 Nov | ||||
| 5. | Egyptian Goose | 0 | 0 | 0 | 0 | 34 | 0 | 0 | 34 | 34 | 0 | 20 (6 Sep) | 14 | 2 | 6 Sep | 30 Sep | ||||
| 6. | Shelduck | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 5 | 3 | 2 | 2 (6 May) | 21 | 3 | 6 May | 31 Oct | ||||
| 7. | Shoveler | 0 | 0 | 0 | 0 | 5 | 5 | 0 | 10 | 10 | 0 | 5 (30 Sep) | 29 | 4 | 30 Sep | 31 Oct | ||||
| 8. | Gadwall | 12 | 0 | 0 | 0 | 0 | 6 | 0 | 18 | 6 | 12 | 12 (6 May) | 21 | 3 | 6 May | 31 Oct | ||||
| 9. | Wigeon | 0 | 0 | 0 | 0 | 38 | 46 | 0 | 84 | 84 | 0 | 46 (31 Oct) | 14 | 2 | 29 Sep | 31 Oct | ||||
| 10. | Mallard | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 3 (6 May) | 7 | 1 | 6 May | 6 May | ||||
| 11. | Pintail | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 5 | 3 | 2 | 3 (20 Sep) | 14 | 2 | 20 Sep | 29 Sep | ||||
| 12. | Tufted Duck | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 (1 Nov) | 7 | 1 | 1 Nov | 1 Nov | ||||
| 13. | Goldeneye | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (31 Oct) | 7 | 1 | 31 Oct | 31 Oct | ||||
| 14. | Goosander | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (31 Oct) | 7 | 1 | 31 Oct | 31 Oct | ||||
| 15. | Red-breasted Merganser | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (31 Oct) | 7 | 1 | 31 Oct | 31 Oct | ||||
| 16. | Swift | 197 | 0 | 0 | 2 | 0 | 0 | 0 | 199 | 2 | 197 | 197 (6 May) | 14 | 2 | 6 May | 23 Aug | ||||
| 17. | Cuckoo | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 3 | 4 (6 May) | 7 | 1 | 6 May | 6 May | ||||
| 18. | Stock Dove | 5 | 0 | 0 | 0 | 88 | 48 | 32 | 173 | 168 | 5 | 49 (1 Sep) | 71 | 10 | 6 May | 1 Nov | ||||
| 19. | Woodpigeon | 8 | 0 | 0 | 0 | 47 | 261 | 47 | 363 | 355 | 8 | 114 (25 Oct) | 86 | 12 | 6 May | 1 Nov | ||||
| 20. | Collared Dove | 2 | 0 | 0 | 0 | 12 | 24 | 0 | 38 | 26 | 12 | 23 (31 Oct) | 36 | 5 | 6 May | 31 Oct | ||||
| 21. | Great Crested Grebe | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 5 | 5 | 0 | 3 (29 Sep) | 14 | 2 | 29 Sep | 31 Oct | ||||
| 22. | Golden Plover | 0 | 0 | 0 | 0 | 1 | 110 | 0 | 111 | 111 | 0 | 110 (31 Oct) | 14 | 2 | 1 Sep | 31 Oct | ||||
| 23. | Lapwing | 0 | 0 | 0 | 0 | 0 | 229 | 0 | 229 | 229 | 0 | 229 (4 Oct) | 7 | 1 | 4 Oct | 4 Oct | ||||
| 24. | Whimbrel | 2 | 0 | 0 | 3 | 0 | 0 | 0 | 5 | 3 | 2 | 3 (23 Aug) | 14 | 2 | 6 May | 23 Aug | ||||
| 25. | Curlew | 0 | 0 | 0 | 5 | 456 | 818 | 327 | 1606 | 1279 | 327 | 489 (4 Oct) | 79 | 11 | 23 Aug | 1 Nov | ||||
| 26. | Snipe | 0 | 0 | 0 | 16 | 35 | 26 | 4 | 81 | 81 | 0 | 26 (31 Oct) | 50 | 7 | 23 Aug | 1 Nov | ||||
| 27. | Common Sandpiper | 8 | 0 | 0 | 6 | 0 | 0 | 0 | 14 | 6 | 8 | 8 (6 May) | 14 | 2 | 6 May | 23 Aug | ||||
| 28. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 3 | 0 | 3 (4 Oct) | 7 | 1 | 4 Oct | 4 Oct | ||||
| 29. | Redshank | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 4 (6 May) | 7 | 1 | 6 May | 6 May | ||||
| 30. | Spotted Redshank | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 3 | 0 | 3 (27 Sep) | 7 | 1 | 27 Sep | 27 Sep | ||||
| Species | May | Jun | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Ruff | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 2 | 0 | 2 (23 Aug) | 7 | 1 | 23 Aug | 23 Aug | ||||
| 32. | Black Tern | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 7 | 3 | 10 (6 May) | 7 | 1 | 6 May | 6 May | ||||
| 33. | Common Tern | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (6 May) | 7 | 1 | 6 May | 6 May | ||||
| 34. | Little Gull | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 13 | 13 | 0 | 13 (31 Oct) | 7 | 1 | 31 Oct | 31 Oct | ||||
| 35. | Black-headed Gull | 0 | 0 | 0 | 0 | 1347 | 411 | 18 | 1776 | 1631 | 145 | 600 (30 Sep) | 71 | 10 | 1 Sep | 1 Nov | ||||
| 36. | Mediterranean Gull | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (6 May) | 7 | 1 | 6 May | 6 May | ||||
| 37. | Common Gull | 1 | 0 | 0 | 0 | 3 | 12 | 0 | 16 | 15 | 1 | 12 (31 Oct) | 21 | 3 | 6 May | 31 Oct | ||||
| 38. | Herring Gull | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 1 | 2 | 2 (6 May) | 14 | 2 | 6 May | 4 Oct | ||||
| 39. | Yellow-legged Gull | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (4 Oct) | 7 | 1 | 4 Oct | 4 Oct | ||||
| 40. | Lesser Black-backed Gull | 82 | 0 | 0 | 0 | 29 | 1 | 0 | 112 | 30 | 82 | 82 (6 May) | 29 | 4 | 6 May | 4 Oct | ||||
| 41. | Cormorant | 0 | 0 | 0 | 0 | 176 | 103 | 4 | 283 | 283 | 0 | 162 (30 Sep) | 64 | 9 | 1 Sep | 1 Nov | ||||
| 42. | Spoonbill | 7 | 0 | 0 | 0 | 11 | 0 | 0 | 18 | 8 | 10 | 7 (6 May) | 36 | 5 | 6 May | 20 Sep | ||||
| 43. | Great White Egret | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 7 | 5 | 2 | 5 (18 Oct) | 14 | 2 | 18 Oct | 1 Nov | ||||
| 44. | Grey Heron | 0 | 0 | 0 | 0 | 19 | 4 | 2 | 25 | 25 | 0 | 16 (30 Sep) | 43 | 6 | 20 Sep | 1 Nov | ||||
| 45. | Purple Heron | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (1 Sep) | 7 | 1 | 1 Sep | 1 Sep | ||||
| 46. | Osprey | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (6 May) | 7 | 1 | 6 May | 6 May | ||||
| 47. | Sparrowhawk | 1 | 0 | 0 | 0 | 5 | 6 | 1 | 13 | 12 | 1 | 4 (4 Oct) | 57 | 8 | 6 May | 1 Nov | ||||
| 48. | Goshawk | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (15 Sep) | 7 | 1 | 15 Sep | 15 Sep | ||||
| 49. | Marsh Harrier | 2 | 0 | 0 | 0 | 3 | 2 | 0 | 7 | 5 | 2 | 2 (6 May) | 43 | 6 | 6 May | 25 Oct | ||||
| 50. | Common Buzzard | 12 | 0 | 0 | 0 | 5 | 3 | 0 | 20 | 8 | 12 | 12 (6 May) | 29 | 4 | 6 May | 18 Oct | ||||
| 51. | Great Spotted Woodpecker | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 3 | 0 | 3 (29 Sep) | 7 | 1 | 29 Sep | 29 Sep | ||||
| 52. | Kestrel | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (6 May) | 7 | 1 | 6 May | 6 May | ||||
| 53. | Hobby | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 1 (6 Sep) | 14 | 2 | 6 Sep | 15 Sep | ||||
| 54. | Peregrine | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (25 Oct) | 7 | 1 | 25 Oct | 25 Oct | ||||
| 55. | Golden Oriole | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (6 May) | 7 | 1 | 6 May | 6 May | ||||
| 56. | Jay | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 2 (30 Sep) | 7 | 1 | 30 Sep | 30 Sep | ||||
| 57. | Jackdaw | 0 | 0 | 0 | 0 | 27 | 31 | 73 | 131 | 131 | 0 | 73 (1 Nov) | 29 | 4 | 1 Sep | 1 Nov | ||||
| 58. | Rook | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 3 | 3 | 0 | 2 (29 Sep) | 14 | 2 | 29 Sep | 31 Oct | ||||
| 59. | Carrion Crow | 9 | 0 | 0 | 0 | 0 | 1 | 9 | 19 | 10 | 9 | 9 (6 May) | 21 | 3 | 6 May | 1 Nov | ||||
| 60. | Coal Tit | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 7 | 7 | 0 | 4 (20 Sep) | 21 | 3 | 15 Sep | 29 Sep | ||||
| Species | May | Jun | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Blue Tit | 0 | 0 | 0 | 0 | 38 | 30 | 10 | 78 | 75 | 3 | 32 (29 Sep) | 43 | 6 | 20 Sep | 1 Nov | ||||
| 62. | Great Tit | 0 | 0 | 0 | 0 | 27 | 16 | 6 | 49 | 49 | 0 | 20 (29 Sep) | 50 | 7 | 15 Sep | 1 Nov | ||||
| 63. | Bearded Tit | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 5 | 0 | 5 (18 Oct) | 7 | 1 | 18 Oct | 18 Oct | ||||
| 64. | Skylark | 0 | 0 | 0 | 0 | 2 | 262 | 9 | 273 | 273 | 0 | 217 (31 Oct) | 36 | 5 | 15 Sep | 1 Nov | ||||
| 65. | Sand Martin | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 11 | 11 (6 May) | 7 | 1 | 6 May | 6 May | ||||
| 66. | Swallow | 218 | 0 | 0 | 23 | 493 | 0 | 0 | 734 | 194 | 540 | 322 (6 Sep) | 50 | 7 | 6 May | 30 Sep | ||||
| 67. | House Martin | 4 | 0 | 0 | 13 | 9 | 0 | 0 | 26 | 22 | 4 | 13 (23 Aug) | 29 | 4 | 6 May | 20 Sep | ||||
| 68. | Yellow-browed Warbler | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (1 Sep) | 7 | 1 | 1 Sep | 1 Sep | ||||
| 69. | Chiffchaff | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 3 | 3 | 0 | 2 (29 Sep) | 14 | 2 | 29 Sep | 31 Oct | ||||
| 70. | Blackcap | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (1 Sep) | 7 | 1 | 1 Sep | 1 Sep | ||||
| 71. | Starling | 0 | 0 | 0 | 0 | 2043 | 4213 | 179 | 6435 | 4435 | 2000 | 3500 (4 Oct) | 50 | 7 | 1 Sep | 1 Nov | ||||
| 72. | Song Thrush | 0 | 0 | 0 | 0 | 59 | 35 | 3 | 97 | 97 | 0 | 34 (29 Sep) | 79 | 11 | 6 Sep | 1 Nov | ||||
| 73. | Mistle Thrush | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 2 (31 Oct) | 7 | 1 | 31 Oct | 31 Oct | ||||
| 74. | Redwing | 0 | 0 | 0 | 0 | 0 | 506 | 45 | 551 | 534 | 17 | 403 (31 Oct) | 29 | 4 | 18 Oct | 1 Nov | ||||
| 75. | Blackbird | 2 | 0 | 0 | 0 | 10 | 19 | 3 | 34 | 32 | 2 | 10 (4 Oct) | 57 | 8 | 6 May | 1 Nov | ||||
| 76. | Fieldfare | 0 | 0 | 0 | 0 | 0 | 222 | 6 | 228 | 228 | 0 | 215 (31 Oct) | 21 | 3 | 25 Oct | 1 Nov | ||||
| 77. | Wheatear | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 2 (6 Sep) | 7 | 1 | 6 Sep | 6 Sep | ||||
| 78. | Tree Sparrow | 0 | 0 | 0 | 0 | 10 | 24 | 8 | 42 | 42 | 0 | 14 (25 Oct) | 43 | 6 | 15 Sep | 1 Nov | ||||
| 79. | Dunnock | 0 | 0 | 0 | 0 | 20 | 0 | 2 | 22 | 22 | 0 | 17 (29 Sep) | 21 | 3 | 29 Sep | 1 Nov | ||||
| 80. | Blue-headed Wagtail | 1 | 0 | 0 | 1 | 5 | 0 | 0 | 7 | 6 | 1 | 4 (30 Sep) | 29 | 4 | 6 May | 30 Sep | ||||
| 81. | Yellow Wagtail (flavissima) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (6 May) | 7 | 1 | 6 May | 6 May | ||||
| 82. | Yellow wagtail sp. | 6 | 0 | 0 | 10 | 12 | 0 | 0 | 28 | 22 | 6 | 10 (23 Aug) | 29 | 4 | 6 May | 15 Sep | ||||
| 83. | Grey Wagtail | 0 | 0 | 0 | 0 | 4 | 2 | 0 | 6 | 6 | 0 | 4 (29 Sep) | 21 | 3 | 29 Sep | 31 Oct | ||||
| 84. | White Wagtail | 0 | 0 | 0 | 0 | 14 | 6 | 0 | 20 | 20 | 0 | 8 (30 Sep) | 36 | 5 | 1 Sep | 25 Oct | ||||
| 85. | alba wagtail sp. | 4 | 0 | 0 | 0 | 8 | 0 | 0 | 12 | 8 | 4 | 8 (29 Sep) | 14 | 2 | 6 May | 29 Sep | ||||
| 86. | Meadow Pipit | 5 | 0 | 0 | 0 | 228 | 90 | 16 | 339 | 334 | 5 | 157 (29 Sep) | 93 | 13 | 6 May | 1 Nov | ||||
| 87. | Tree Pipit | 7 | 0 | 0 | 0 | 3 | 0 | 0 | 10 | 3 | 7 | 7 (6 May) | 29 | 4 | 6 May | 27 Sep | ||||
| 88. | Rock Pipit/Water Pipit | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 3 | 0 | 2 (31 Oct) | 14 | 2 | 29 Sep | 31 Oct | ||||
| 89. | Chaffinch | 3 | 0 | 0 | 0 | 297 | 1814 | 346 | 2460 | 2457 | 3 | 987 (31 Oct) | 86 | 12 | 6 May | 1 Nov | ||||
| 90. | Brambling | 0 | 0 | 0 | 0 | 0 | 6 | 5 | 11 | 11 | 0 | 5 (1 Nov) | 29 | 4 | 18 Oct | 1 Nov | ||||
| Species | May | Jun | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 91. | Hawfinch | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 11 | 11 | 0 | 8 (31 Oct) | 14 | 2 | 25 Oct | 31 Oct | ||||
| 92. | Bullfinch | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 3 | 3 | 0 | 2 (15 Sep) | 14 | 2 | 15 Sep | 25 Oct | ||||
| 93. | Greenfinch | 0 | 0 | 0 | 0 | 40 | 24 | 4 | 68 | 68 | 0 | 18 (29 Sep) | 64 | 9 | 15 Sep | 1 Nov | ||||
| 94. | Linnet | 7 | 0 | 0 | 0 | 16 | 9 | 12 | 44 | 37 | 7 | 12 (1 Nov) | 57 | 8 | 6 May | 1 Nov | ||||
| 95. | Goldfinch | 4 | 0 | 0 | 0 | 24 | 31 | 19 | 78 | 74 | 4 | 29 (25 Oct) | 43 | 6 | 6 May | 1 Nov | ||||
| 96. | Serin | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (29 Sep) | 7 | 1 | 29 Sep | 29 Sep | ||||
| 97. | Siskin | 0 | 0 | 0 | 0 | 4 | 12 | 0 | 16 | 16 | 0 | 10 (18 Oct) | 29 | 4 | 29 Sep | 18 Oct | ||||
| 98. | Reed Bunting | 0 | 0 | 0 | 0 | 36 | 13 | 3 | 52 | 52 | 0 | 14 (15 Sep) | 57 | 8 | 1 Sep | 1 Nov | ||||
| Species | May | Jun | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 651 | 0 | 0 | 81 | 5965 | 11154 | 1330 | 19181 | 15581 | 3600 | 100 | 14 | ||||||||
| Observation hours | 4:30 | 0:00 | 0:00 | 3:10 | 27:40 | 10:20 | 2:45 | 48:25 | ||||||||||||
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