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) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 2. | Canada Goose | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 3. | Wood Duck | 2 | 2 | 0 | 2 | 2 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 4. | Blue-winged Teal | 8 | 8 | 0 | 8 | 8 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 5. | American Wigeon | 35 | 35 | 0 | 35 | 35 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 6. | Mallard | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 7. | Black Duck | 24 | 24 | 0 | 24 | 24 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 8. | Pintail | 2 | 2 | 0 | 2 | 2 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 9. | Green-winged Teal | 37 | 37 | 12 | 25 | 37 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 10. | Ring-necked Duck | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 11. | Lesser Scaup | 1 | 1 | 0 | 1 | 1 ( 2 Apr) | 50 | 1 | 2 Apr | 2 Apr | ||||
| 12. | Surf Scoter | 125 | 125 | 0 | 125 | 81 ( 1 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 13. | Black Scoter | 186 | 186 | 0 | 186 | 183 ( 1 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 14. | Long-tailed Duck | 2 | 2 | 0 | 2 | 2 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 15. | Bufflehead | 3 | 3 | 0 | 3 | 3 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 16. | Red-breasted Merganser | 44 | 44 | 2 | 42 | 23 ( 1 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 17. | Slavonian Grebe | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 18. | American Oystercatcher | 7 | 7 | 0 | 7 | 5 ( 2 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 19. | Killdeer | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 20. | Lesser Yellowlegs | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 21. | Greater Yellowlegs | 5 | 5 | 0 | 5 | 4 ( 1 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 22. | small wader | 1 | 1 | 0 | 1 | 1 ( 2 Apr) | 50 | 1 | 2 Apr | 2 Apr | ||||
| 23. | Purple Sandpiper | 11 | 11 | 0 | 11 | 11 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 24. | Least Sandpiper | 5 | 5 | 0 | 5 | 5 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 25. | Pectoral Sandpiper | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 26. | Calidris sp. | 4 | 4 | 0 | 4 | 4 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 27. | Forster's Tern | 23 | 23 | 1 | 22 | 22 ( 1 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 28. | Royal Tern | 2 | 2 | 1 | 1 | 1 ( 1 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 29. | Bonaparte's Gull | 2 | 2 | 0 | 2 | 1 ( 1 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 30. | Laughing Gull | 170 | 170 | 0 | 170 | 139 ( 1 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| Species | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Ring-billed Gull | 3 | 3 | 3 | 0 | 3 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 32. | Herring Gull | 68 | 68 | 0 | 68 | 68 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 33. | Great Black-backed Gull | 2 | 2 | 0 | 2 | 2 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 34. | Lesser Black-backed Gull | 18 | 18 | 0 | 18 | 13 ( 1 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 35. | Iceland Gull | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 36. | Red-throated Diver | 308 | 308 | 288 | 20 | 281 ( 1 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 37. | Great Northern Diver | 40 | 40 | 2 | 38 | 37 ( 2 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 38. | Gannet | 773 | 773 | 0 | 773 | 641 ( 2 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 39. | Double-crested Cormorant | 575 | 575 | 43 | 532 | 465 ( 2 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 40. | White Ibis | 51 | 51 | 0 | 51 | 51 ( 2 Apr) | 50 | 1 | 2 Apr | 2 Apr | ||||
| 41. | Glossy Ibis | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 42. | Snowy Egret | 5 | 5 | 0 | 5 | 5 ( 2 Apr) | 50 | 1 | 2 Apr | 2 Apr | ||||
| 43. | Great White Egret | 4 | 4 | 1 | 3 | 3 ( 1 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 44. | Great Blue Heron | 5 | 5 | 0 | 5 | 4 ( 2 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 45. | Brown Pelican | 2 | 2 | 2 | 0 | 2 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 46. | Osprey | 6 | 6 | 0 | 6 | 6 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 47. | Cooper's Hawk | 1 | 1 | 0 | 1 | 1 ( 2 Apr) | 50 | 1 | 2 Apr | 2 Apr | ||||
| 48. | Bald Eagle | 4 | 4 | 1 | 3 | 2 ( 1 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 49. | Red-tailed Hawk | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 50. | Northern Flicker | 3 | 3 | 0 | 3 | 3 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 51. | American Kestrel | 3 | 3 | 0 | 3 | 2 ( 1 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 52. | Eastern Phoebe | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 53. | Tree Swallow | 2 | 2 | 0 | 2 | 2 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 54. | Purple Martin | 3 | 3 | 3 | 0 | 3 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 55. | Northern Rough-winged Swallow | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 56. | Swallow | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 57. | Golden-crowned Kinglet | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 58. | Eastern Bluebird | 1 | 1 | 0 | 1 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 59. | American Robin | 16 | 16 | 0 | 16 | 16 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 60. | House Finch | 2 | 2 | 0 | 2 | 2 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| Species | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | American Goldfinch | 4 | 4 | 0 | 4 | 4 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 62. | Red-winged Blackbird | 4 | 4 | 0 | 4 | 4 ( 2 Apr) | 50 | 1 | 2 Apr | 2 Apr | ||||
| 63. | Brown-headed Cowbird | 27 | 27 | 0 | 27 | 24 ( 2 Apr) | 100 | 2 | 1 Apr | 2 Apr | ||||
| 64. | Common Grackle | 8 | 8 | 0 | 8 | 8 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 65. | Pine Warbler | 3 | 3 | 0 | 3 | 3 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 66. | Myrtle Warbler | 3 | 3 | 0 | 3 | 3 ( 1 Apr) | 50 | 1 | 1 Apr | 1 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) | 50 | 1 | 1 Apr | 1 Apr | ||||
| 2. | Grey seal | 1 | 1 | 1 | 0 | 1 ( 1 Apr) | 50 | 1 | 1 Apr | 1 Apr | ||||
| Species | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 2664 | 2664 | 366 | 2298 | 100 | 2 | ||||||||
| Observation hours | 10:09 | 10:09 | ||||||||||||
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