Also present
Totals Cape Henlopen SP - Herring Point (DE) 2025
| Species | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Pale-bellied Brent Goose | 4 | 4 | 4 | 0 | 4 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 2. | Canada Goose | 5 | 5 | 0 | 5 | 4 (17 Apr) | 50 | 2 | 1 Apr | 17 Apr | ||||
| 3. | Wood Duck | 2 | 2 | 0 | 2 | 2 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 4. | Blue-winged Teal | 8 | 8 | 0 | 8 | 8 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 5. | Shoveler | 4 | 4 | 0 | 4 | 4 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| 6. | Gadwall | 6 | 6 | 0 | 6 | 6 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| 7. | American Wigeon | 35 | 35 | 0 | 35 | 35 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 8. | Mallard | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 9. | Black Duck | 25 | 25 | 0 | 25 | 24 ( 1 Apr) | 50 | 2 | 1 Apr | 17 Apr | ||||
| 10. | Pintail | 2 | 2 | 0 | 2 | 2 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 11. | Green-winged Teal | 38 | 38 | 12 | 26 | 37 ( 1 Apr) | 50 | 2 | 1 Apr | 16 Apr | ||||
| 12. | Ring-necked Duck | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 13. | Lesser Scaup | 10 | 10 | 0 | 10 | 5 (16 Apr) | 75 | 3 | 2 Apr | 17 Apr | ||||
| 14. | Surf Scoter | 220 | 220 | 0 | 220 | 85 (17 Apr) | 100 | 4 | 1 Apr | 17 Apr | ||||
| 15. | Black Scoter | 216 | 216 | 0 | 216 | 183 ( 1 Apr) | 100 | 4 | 1 Apr | 17 Apr | ||||
| 16. | Surf/Black Scoter | 16 | 16 | 0 | 16 | 16 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 17. | Long-tailed Duck | 2 | 2 | 0 | 2 | 2 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 18. | Bufflehead | 3 | 3 | 0 | 3 | 3 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 19. | Red-breasted Merganser | 48 | 48 | 2 | 46 | 23 ( 1 Apr) | 75 | 3 | 1 Apr | 17 Apr | ||||
| 20. | Ruby-throated Hummingbird | 2 | 2 | 0 | 2 | 1 (16 Apr) | 50 | 2 | 16 Apr | 17 Apr | ||||
| 21. | Mourning Dove | 1 | 1 | 0 | 1 | 1 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| 22. | Slavonian Grebe | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 23. | American Oystercatcher | 7 | 7 | 0 | 7 | 5 ( 2 Apr) | 50 | 2 | 1 Apr | 2 Apr | ||||
| 24. | Grey Plover | 10 | 10 | 0 | 10 | 6 (17 Apr) | 50 | 2 | 16 Apr | 17 Apr | ||||
| 25. | American Golden Plover | 1 | 1 | 0 | 1 | 1 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 26. | Killdeer | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 27. | Piping Plover | 2 | 2 | 0 | 2 | 2 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 28. | Lesser Yellowlegs | 18 | 18 | 6 | 12 | 11 (17 Apr) | 75 | 3 | 1 Apr | 17 Apr | ||||
| 29. | Willet (Eastern) | 9 | 9 | 0 | 9 | 7 (17 Apr) | 50 | 2 | 16 Apr | 17 Apr | ||||
| 30. | Greater Yellowlegs | 40 | 40 | 2 | 38 | 27 (17 Apr) | 100 | 4 | 1 Apr | 17 Apr | ||||
| Species | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | small wader | 2 | 2 | 0 | 2 | 1 ( 2 Apr) | 50 | 2 | 2 Apr | 17 Apr | ||||
| 32. | Sanderling | 3 | 3 | 0 | 3 | 3 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| 33. | Dunlin | 8 | 8 | 0 | 8 | 7 (17 Apr) | 50 | 2 | 16 Apr | 17 Apr | ||||
| 34. | Purple Sandpiper | 11 | 11 | 0 | 11 | 11 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 35. | Least Sandpiper | 5 | 5 | 0 | 5 | 5 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 36. | Pectoral Sandpiper | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 37. | Calidris sp. | 4 | 4 | 0 | 4 | 4 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 38. | Caspian Tern | 1 | 1 | 0 | 1 | 1 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 39. | Forster's Tern | 69 | 69 | 1 | 68 | 40 (17 Apr) | 100 | 4 | 1 Apr | 17 Apr | ||||
| 40. | Royal Tern | 17 | 17 | 1 | 16 | 10 (16 Apr) | 100 | 4 | 1 Apr | 17 Apr | ||||
| 41. | Bonaparte's Gull | 20 | 20 | 0 | 20 | 18 (17 Apr) | 75 | 3 | 1 Apr | 17 Apr | ||||
| 42. | Laughing Gull | 234 | 234 | 0 | 234 | 139 ( 1 Apr) | 75 | 3 | 1 Apr | 17 Apr | ||||
| 43. | Ring-billed Gull | 70 | 70 | 3 | 67 | 55 (17 Apr) | 75 | 3 | 1 Apr | 17 Apr | ||||
| 44. | Herring Gull | 79 | 79 | 0 | 79 | 68 ( 1 Apr) | 50 | 2 | 1 Apr | 16 Apr | ||||
| 45. | Great Black-backed Gull | 2 | 2 | 0 | 2 | 2 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 46. | Lesser Black-backed Gull | 22 | 22 | 0 | 22 | 13 ( 1 Apr) | 100 | 4 | 1 Apr | 17 Apr | ||||
| 47. | Iceland Gull | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 48. | Red-throated Diver | 308 | 308 | 288 | 20 | 281 ( 1 Apr) | 50 | 2 | 1 Apr | 2 Apr | ||||
| 49. | Great Northern Diver | 146 | 146 | 2 | 144 | 63 (16 Apr) | 100 | 4 | 1 Apr | 17 Apr | ||||
| 50. | Gannet | 813 | 813 | 0 | 813 | 641 ( 2 Apr) | 75 | 3 | 1 Apr | 16 Apr | ||||
| 51. | Double-crested Cormorant | 6493 | 6493 | 49 | 6444 | 5336 (16 Apr) | 100 | 4 | 1 Apr | 17 Apr | ||||
| 52. | White Ibis | 150 | 150 | 31 | 119 | 65 (16 Apr) | 75 | 3 | 2 Apr | 17 Apr | ||||
| 53. | Glossy Ibis | 23 | 23 | 0 | 23 | 22 (17 Apr) | 50 | 2 | 1 Apr | 17 Apr | ||||
| 54. | Tricolored Heron | 1 | 1 | 0 | 1 | 1 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 55. | Snowy Egret | 12 | 12 | 1 | 11 | 6 (16 Apr) | 75 | 3 | 2 Apr | 17 Apr | ||||
| 56. | Great White Egret | 11 | 11 | 1 | 10 | 6 (16 Apr) | 100 | 4 | 1 Apr | 17 Apr | ||||
| 57. | Great Blue Heron | 15 | 15 | 0 | 15 | 10 (16 Apr) | 75 | 3 | 1 Apr | 16 Apr | ||||
| 58. | Brown Pelican | 11 | 11 | 11 | 0 | 9 (16 Apr) | 50 | 2 | 1 Apr | 16 Apr | ||||
| 59. | Osprey | 6 | 6 | 0 | 6 | 6 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 60. | Sharp-shinned Hawk | 1 | 1 | 1 | 0 | 1 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| Species | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Cooper's Hawk | 2 | 2 | 0 | 2 | 1 ( 2 Apr) | 50 | 2 | 2 Apr | 16 Apr | ||||
| 62. | Northern Harrier | 8 | 8 | 0 | 8 | 6 (16 Apr) | 50 | 2 | 16 Apr | 17 Apr | ||||
| 63. | Bald Eagle | 9 | 9 | 2 | 7 | 4 (16 Apr) | 100 | 4 | 1 Apr | 17 Apr | ||||
| 64. | Red-shouldered Hawk | 1 | 1 | 0 | 1 | 1 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 65. | Red-tailed Hawk | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 66. | Northern Flicker | 3 | 3 | 0 | 3 | 3 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 67. | American Kestrel | 62 | 62 | 2 | 60 | 56 (16 Apr) | 100 | 4 | 1 Apr | 17 Apr | ||||
| 68. | Merlin | 4 | 4 | 0 | 4 | 2 (16 Apr) | 50 | 2 | 16 Apr | 17 Apr | ||||
| 69. | Peregrine | 2 | 2 | 1 | 1 | 1 (16 Apr) | 50 | 2 | 16 Apr | 17 Apr | ||||
| 70. | Eastern Phoebe | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 71. | Shore Lark | 2 | 2 | 0 | 2 | 2 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| 72. | Tree Swallow | 36 | 36 | 0 | 36 | 19 (16 Apr) | 75 | 3 | 1 Apr | 17 Apr | ||||
| 73. | Purple Martin | 30 | 30 | 4 | 26 | 15 (16 Apr) | 75 | 3 | 1 Apr | 17 Apr | ||||
| 74. | Northern Rough-winged Swallow | 5 | 5 | 0 | 5 | 3 (16 Apr) | 75 | 3 | 1 Apr | 17 Apr | ||||
| 75. | Swallow | 76 | 76 | 0 | 76 | 48 (17 Apr) | 75 | 3 | 1 Apr | 17 Apr | ||||
| 76. | Golden-crowned Kinglet | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 77. | Northern Mockingbird | 1 | 1 | 0 | 1 | 1 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| 78. | Eastern Bluebird | 3 | 3 | 0 | 3 | 2 (16 Apr) | 50 | 2 | 1 Apr | 16 Apr | ||||
| 79. | American Robin | 16 | 16 | 0 | 16 | 16 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 80. | House Finch | 5 | 5 | 0 | 5 | 3 (17 Apr) | 50 | 2 | 1 Apr | 17 Apr | ||||
| 81. | American Goldfinch | 62 | 62 | 0 | 62 | 53 (16 Apr) | 75 | 3 | 1 Apr | 17 Apr | ||||
| 82. | Red-winged Blackbird | 8 | 8 | 0 | 8 | 4 ( 2 Apr) | 50 | 2 | 2 Apr | 16 Apr | ||||
| 83. | Brown-headed Cowbird | 74 | 74 | 0 | 74 | 45 (16 Apr) | 100 | 4 | 1 Apr | 17 Apr | ||||
| 84. | Common Grackle | 37 | 37 | 0 | 37 | 29 (16 Apr) | 50 | 2 | 1 Apr | 16 Apr | ||||
| 85. | Boat-tailed Grackle | 3 | 3 | 3 | 0 | 3 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| 86. | Palm Warbler (Yellow) | 2 | 2 | 1 | 1 | 1 (16 Apr) | 50 | 2 | 16 Apr | 17 Apr | ||||
| 87. | Pine Warbler | 4 | 4 | 0 | 4 | 3 ( 1 Apr) | 50 | 2 | 1 Apr | 16 Apr | ||||
| 88. | Myrtle Warbler | 6 | 6 | 0 | 6 | 3 ( 1 Apr) | 50 | 2 | 1 Apr | 16 Apr | ||||
| Other species | ||||||||||||||
| Species | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Bottle-Nosed Dolphin | 2 | 2 | 2 | 0 | 2 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| 2. | Grey seal | 1 | 1 | 1 | 0 | 1 ( 1 Apr) | 25 | 1 | 1 Apr | 1 Apr | ||||
| Species | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 9744 | 9744 | 431 | 9313 | 100 | 4 | ||||||||
| Observation hours | 22:09 | 22:09 | ||||||||||||
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