Totals Chesterton, Cambridge (nocturnal flight calls) 2015 - 2024
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Present | Year Maximum | |||||
| 1. | brent goose sp. | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 6 | 0.9 | 0 | 6 (2020) | ||||
| 2. | Canada Goose | 0 | 0 | 2 | 3 | 3 | 6 | 2 | 0 | 0 | 0 | 16 | 2.3 | 0 | 6 (2020) | ||||
| 3. | Barnacle Goose | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 10 | 1.4 | 0 | 10 (2019) | ||||
| 4. | Greylag Goose | 0 | 0 | 5 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 10 | 1.4 | 0 | 5 (2017) | ||||
| 5. | goose sp. | 0 | 0 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 5 | 0.7 | 0 | 3 (2019) | ||||
| 6. | Pink-footed Goose | 0 | 0 | 0 | 2 | 0 | 10 | 0 | 0 | 0 | 0 | 12 | 1.7 | 0 | 10 (2020) | ||||
| 7. | Eurasian White-fronted Goose | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 5 | 0.7 | 0 | 5 (2020) | ||||
| 8. | Mute Swan | 0 | 0 | 1 | 1 | 0 | 3 | 0 | 1 | 0 | 0 | 6 | 0.9 | 0 | 3 (2020) | ||||
| 9. | Whooper Swan | 0 | 0 | 0 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 7 | 1 | 0 | 3 (2018) | ||||
| 10. | Shelduck | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0.3 | 0 | 1 (2018) | ||||
| 11. | Shoveler | 0 | 0 | 0 | 4 | 0 | 1 | 1 | 0 | 0 | 0 | 6 | 0.9 | 0 | 4 (2018) | ||||
| 12. | Gadwall | 0 | 0 | 0 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 7 | 1 | 0 | 3 (2018) | ||||
| 13. | Wigeon | 0 | 0 | 3 | 73 | 9 | 74 | 29 | 0 | 12 | 0 | 200 | 29 | 0 | 74 (2020) | ||||
| 14. | Mallard | 0 | 0 | 11 | 32 | 10 | 28 | 28 | 12 | 5 | 0 | 126 | 18 | 0 | 32 (2018) | ||||
| 15. | Pintail | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 4 | 0.6 | 0 | 3 (2021) | ||||
| 16. | Teal | 0 | 0 | 3 | 24 | 7 | 26 | 19 | 3 | 3 | 0 | 85 | 12.1 | 0 | 26 (2020) | ||||
| 17. | duck sp. | 0 | 0 | 0 | 33 | 36 | 71 | 40 | 0 | 1 | 0 | 181 | 26 | 5 | 71 (2020) | ||||
| 18. | Common Scoter | 0 | 0 | 0 | 17 | 8 | 43 | 11 | 0 | 6 | 0 | 85 | 12.1 | 0 | 43 (2020) | ||||
| 19. | Quail | 0 | 0 | 1 | 2 | 5 | 2 | 0 | 0 | 2 | 0 | 12 | 1.7 | 0 | 5 (2019) | ||||
| 20. | Swift | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 6 | 0.9 | 0 | 6 (2019) | ||||
| 21. | Cuckoo | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2018) | ||||
| 22. | Water Rail | 0 | 0 | 12 | 25 | 27 | 28 | 15 | 12 | 7 | 0 | 126 | 18 | 0 | 28 (2020) | ||||
| 23. | Moorhen | 0 | 0 | 36 | 113 | 109 | 106 | 64 | 35 | 14 | 0 | 477 | 68 | 0 | 113 (2018) | ||||
| 24. | Coot | 0 | 0 | 30 | 42 | 60 | 41 | 37 | 15 | 6 | 0 | 231 | 33 | 0 | 60 (2019) | ||||
| 25. | Little Grebe | 0 | 0 | 7 | 21 | 31 | 15 | 11 | 8 | 5 | 0 | 98 | 14 | 0 | 31 (2019) | ||||
| 26. | Stone Curlew | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0.4 | 0 | 2 (2018) | ||||
| 27. | Oystercatcher | 0 | 0 | 17 | 30 | 33 | 26 | 22 | 11 | 9 | 0 | 148 | 21 | 0 | 33 (2019) | ||||
| 28. | Avocet | 0 | 0 | 0 | 0 | 1 | 4 | 2 | 0 | 0 | 0 | 7 | 1 | 0 | 4 (2020) | ||||
| 29. | Lapwing | 0 | 0 | 3 | 8 | 6 | 1 | 5 | 1 | 1 | 0 | 25 | 3.6 | 0 | 8 (2018) | ||||
| 30. | Golden Plover | 0 | 0 | 10 | 41 | 13 | 17 | 20 | 3 | 1 | 0 | 105 | 15 | 0 | 41 (2018) | ||||
| 31. | Grey Plover | 0 | 0 | 1 | 0 | 1 | 14 | 1 | 1 | 0 | 0 | 18 | 2.6 | 0 | 14 (2020) | ||||
| 32. | Ringed Plover | 0 | 0 | 6 | 7 | 20 | 3 | 8 | 15 | 14 | 0 | 73 | 10.4 | 0 | 20 (2019) | ||||
| 33. | Little Ringed Plover | 0 | 0 | 2 | 5 | 12 | 6 | 2 | 2 | 1 | 0 | 30 | 4.3 | 0 | 12 (2019) | ||||
| 34. | Dotterel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0.3 | 0 | 2 (2022) | ||||
| 35. | Whimbrel | 0 | 0 | 4 | 28 | 26 | 26 | 12 | 22 | 3 | 0 | 121 | 17 | 0 | 28 (2018) | ||||
| 36. | Curlew | 0 | 0 | 0 | 16 | 15 | 10 | 10 | 1 | 1 | 0 | 53 | 7.6 | 0 | 16 (2018) | ||||
| 37. | Numenius sp. | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 6 | 0.9 | 0 | 6 (2020) | ||||
| 38. | Bar-tailed Godwit | 0 | 0 | 0 | 0 | 2 | 34 | 0 | 5 | 0 | 0 | 41 | 5.9 | 0 | 34 (2020) | ||||
| 39. | Black-tailed Godwit | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 4 | 0.6 | 0 | 2 (2019) | ||||
| 40. | Turnstone | 0 | 0 | 1 | 2 | 4 | 0 | 1 | 0 | 0 | 0 | 8 | 1.1 | 0 | 4 (2019) | ||||
| 41. | Knot | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 14 | 0 | 0 | 18 | 2.6 | 0 | 14 (2022) | ||||
| 42. | wader sp. | 0 | 0 | 0 | 3 | 5 | 4 | 0 | 2 | 0 | 0 | 14 | 2 | 0 | 5 (2019) | ||||
| 43. | small wader | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2018) | ||||
| 44. | large wader | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 1 | 0 | 0 | 6 | 0.9 | 0 | 3 (2021) | ||||
| 45. | Dunlin | 0 | 0 | 8 | 78 | 29 | 32 | 11 | 9 | 6 | 0 | 173 | 25 | 0 | 78 (2018) | ||||
| 46. | Snipe | 0 | 0 | 3 | 15 | 6 | 23 | 15 | 5 | 3 | 0 | 70 | 10 | 0 | 23 (2020) | ||||
| 47. | Common Sandpiper | 0 | 0 | 9 | 22 | 35 | 25 | 3 | 21 | 7 | 0 | 122 | 17 | 0 | 35 (2019) | ||||
| 48. | Green Sandpiper | 0 | 0 | 3 | 5 | 4 | 4 | 6 | 4 | 3 | 0 | 29 | 4.1 | 0 | 6 (2021) | ||||
| 49. | Redshank | 0 | 0 | 15 | 20 | 18 | 15 | 3 | 9 | 1 | 0 | 81 | 11.6 | 0 | 20 (2018) | ||||
| 50. | Wood Sandpiper | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2019) | ||||
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Present | Year Maximum | |||||
| 51. | Spotted Redshank | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2017) | ||||
| 52. | Greenshank | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0.4 | 0 | 2 (2018) | ||||
| 53. | Black-headed Gull | 0 | 0 | 9 | 37 | 27 | 34 | 23 | 3 | 3 | 0 | 136 | 19 | 0 | 37 (2018) | ||||
| 54. | small gull sp. | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0.3 | 0 | 1 (2019) | ||||
| 55. | Common Gull | 0 | 0 | 0 | 10 | 7 | 7 | 9 | 1 | 2 | 0 | 36 | 5.1 | 0 | 10 (2018) | ||||
| 56. | Herring Gull | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0.4 | 0 | 2 (2018) | ||||
| 57. | large gull sp. | 0 | 0 | 3 | 11 | 7 | 7 | 10 | 6 | 7 | 0 | 51 | 7.3 | 0 | 11 (2018) | ||||
| 58. | Sandwich Tern | 0 | 0 | 2 | 5 | 2 | 10 | 9 | 4 | 0 | 0 | 32 | 4.6 | 0 | 10 (2020) | ||||
| 59. | Little Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2023) | ||||
| 60. | Common Tern | 0 | 0 | 0 | 4 | 3 | 4 | 0 | 0 | 0 | 0 | 11 | 1.6 | 0 | 4 (2018) | ||||
| 61. | Common/Arctic Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0.3 | 0 | 2 (2022) | ||||
| 62. | sterna sp. | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2018) | ||||
| 63. | Cormorant | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2017) | ||||
| 64. | Bittern | 0 | 0 | 0 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 6 | 0.9 | 0 | 3 (2018) | ||||
| 65. | Grey Heron | 0 | 0 | 39 | 36 | 22 | 42 | 12 | 14 | 2 | 0 | 167 | 24 | 0 | 42 (2020) | ||||
| 66. | Barn Owl | 0 | 0 | 9 | 17 | 25 | 29 | 4 | 27 | 0 | 0 | 111 | 16 | 0 | 29 (2020) | ||||
| 67. | Magpie | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2018) | ||||
| 68. | Jackdaw | 0 | 0 | 1 | 0 | 1 | 10 | 3 | 1 | 0 | 0 | 16 | 2.3 | 0 | 10 (2020) | ||||
| 69. | Blue Tit | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2020) | ||||
| 70. | Skylark | 0 | 0 | 2 | 18 | 12 | 10 | 4 | 1 | 1 | 0 | 48 | 6.9 | 57 | 18 (2018) | ||||
| 71. | Swallow | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2019) | ||||
| 72. | Reed Warbler | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2020) | ||||
| 73. | Blackcap | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 6 | 0.9 | 0 | 6 (2020) | ||||
| 74. | Lesser Whitethroat | 0 | 0 | 0 | 2 | 3 | 9 | 0 | 5 | 1 | 0 | 20 | 2.9 | 0 | 9 (2020) | ||||
| 75. | Regulus sp. | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2020) | ||||
| 76. | Goldcrest | 0 | 0 | 0 | 4 | 1 | 1 | 0 | 1 | 0 | 0 | 7 | 1 | 0 | 4 (2018) | ||||
| 77. | Starling | 0 | 0 | 0 | 6 | 2 | 1 | 2 | 1 | 0 | 0 | 12 | 1.7 | 0 | 6 (2018) | ||||
| 78. | Song Thrush | 0 | 0 | 193 | 702 | 1090 | 434 | 341 | 105 | 5 | 0 | 2870 | 410 | 0 | 1090 (2019) | ||||
| 79. | Redwing | 0 | 0 | 442 | 4854 | 4813 | 4630 | 2343 | 906 | 65 | 0 | 18053 | 2579 | 0 | 4854 (2018) | ||||
| 80. | Blackbird | 0 | 0 | 36 | 342 | 590 | 359 | 418 | 59 | 1 | 0 | 1805 | 258 | 0 | 590 (2019) | ||||
| 81. | Fieldfare | 0 | 0 | 5 | 114 | 59 | 39 | 26 | 4 | 1 | 0 | 248 | 35 | 0 | 114 (2018) | ||||
| 82. | Ring Ouzel | 0 | 0 | 2 | 5 | 4 | 5 | 4 | 1 | 0 | 0 | 21 | 3 | 0 | 5 (2018) | ||||
| 83. | thrush sp. | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0.3 | 0 | 1 (2018) | ||||
| 84. | Spotted Flycatcher | 0 | 0 | 0 | 5 | 2 | 17 | 1 | 6 | 5 | 0 | 36 | 5.1 | 0 | 17 (2020) | ||||
| 85. | flycatcher sp. | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2020) | ||||
| 86. | Robin | 0 | 0 | 1 | 15 | 22 | 9 | 6 | 1 | 2 | 0 | 56 | 8 | 0 | 22 (2019) | ||||
| 87. | Pied Flycatcher | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 3 | 0.4 | 0 | 1 (2019) | ||||
| 88. | Dunnock | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 3 | 0.4 | 0 | 2 (2019) | ||||
| 89. | Yellow Wagtail (flavissima) | 0 | 0 | 0 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 5 | 0.7 | 0 | 3 (2019) | ||||
| 90. | White Wagtail | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2017) | ||||
| 91. | Pied Wagtail | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0.3 | 0 | 1 (2018) | ||||
| 92. | Meadow Pipit | 0 | 0 | 2 | 3 | 7 | 3 | 1 | 1 | 0 | 0 | 17 | 2.4 | 0 | 7 (2019) | ||||
| 93. | Tree Pipit | 0 | 0 | 3 | 6 | 20 | 7 | 6 | 13 | 5 | 0 | 60 | 8.6 | 0 | 20 (2019) | ||||
| 94. | Chaffinch | 0 | 0 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 6 | 0.9 | 0 | 2 (2018) | ||||
| 95. | Brambling | 0 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0.7 | 0 | 3 (2018) | ||||
| 96. | Hawfinch | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0.4 | 0 | 2 (2017) | ||||
| 97. | Linnet | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2018) | ||||
| 98. | Lesser Redpoll | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2019) | ||||
| 99. | Goldfinch | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2019) | ||||
| 100. | Yellowhammer | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 4 | 0.6 | 0 | 2 (2020) | ||||
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Present | Year Maximum | |||||
| 101. | Ortolan Bunting | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0.3 | 0 | 1 (2017) | ||||
| 102. | Reed Bunting | 0 | 0 | 1 | 2 | 2 | 2 | 0 | 1 | 0 | 0 | 8 | 1.1 | 0 | 2 (2018) | ||||
| 103. | bunting sp. | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2019) | ||||
| 104. | Species unidentified | 0 | 0 | 0 | 56 | 111 | 76 | 48 | 26 | 13 | 0 | 330 | 47 | 504 | 111 (2019) | ||||
| 105. | passerine sp. | 0 | 0 | 0 | 0 | 14 | 6 | 0 | 0 | 0 | 0 | 20 | 2.9 | 0 | 14 (2019) | ||||
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Present | Year Maximum | |||||
| Totals | 0 | 0 | 952 | 6961 | 7426 | 6495 | 3659 | 1406 | 227 | 0 | 27126 | 3875 | 566 | ||||||
| Observation hours | 1,153:38 | 1,674:55 | 1,295:24 | 1,250:56 | 616:32 | 383:26 | 194:01 | 6,568:52 | 938:25 | ||||||||||
