Top Birds at Alvin P. Williams Park (Sewaren Marina Park) in April
relative to other locations within 25 miles of 35.791540, -78.781117
based on 8 checklists
This page shows the probability of a species appearing on a checklist at Alvin P. Williams Park (Sewaren Marina Park) in April. The difference in probability relative to other nearby locations is also shown, to highlight which birds are particularly likely to be found (or not found) at this specific location. The chart shows how many distinct species have historically been observed at this location for each month of the year.
| Rank | Info | Pics | Species | Entire Region | This Location | Difference | |
|---|---|---|---|---|---|---|---|
| 1 | Canada Goose | 48.6% | 87.5% | 38.9% | |||
| 2 | Double-crested Cormorant | 25.8% | 87.5% | 61.7% | |||
| 3 | Ring-billed Gull | 6.3% | 87.5% | 81.2% | |||
| 4 | Bufflehead | 1.3% | 75.0% | 73.7% | |||
| 5 | American Herring Gull | 0.5% | 75.0% | 74.5% | |||
| 6 | Brant | 0% | 75.0% | 75.0% | |||
| 7 | Northern Mockingbird | 26.9% | 62.5% | 35.6% | |||
| 8 | European Starling | 19.9% | 62.5% | 42.6% | |||
| 9 | Blue Jay | 48.6% | 50.0% | 1.4% | |||
| 10 | Turkey Vulture | 42.8% | 50.0% | 7.2% | |||
| 11 | American Robin | 42.0% | 50.0% | 8.0% | |||
| 12 | Mallard | 29.5% | 50.0% | 20.5% | |||
| 13 | Red-winged Blackbird | 26.8% | 50.0% | 23.2% | |||
| 14 | Northern Cardinal | 80.7% | 37.5% | 43.2% | |||
| 15 | Common Grackle | 25.9% | 37.5% | 11.6% | |||
| 16 | Song Sparrow | 23.8% | 37.5% | 13.7% | |||
| 17 | Osprey | 17.5% | 37.5% | 20.0% | |||
| 18 | Great Egret | 2.2% | 37.5% | 35.3% | |||
| 19 | House Sparrow | 2.2% | 37.5% | 35.3% | |||
| 20 | American Oystercatcher | 0.0% | 37.5% | 37.5% | |||
| 21 | American Crow | 56.7% | 25.0% | 31.7% | |||
| 22 | Mourning Dove | 45.4% | 25.0% | 20.4% | |||
| 23 | Brown-headed Cowbird | 38.0% | 25.0% | 13.0% | |||
| 24 | Fish Crow | 37.0% | 25.0% | 12.0% | |||
| 25 | Northern Rough-winged Swallow | 28.5% | 25.0% | 3.5% | |||
| 26 | Savannah Sparrow | 4.1% | 25.0% | 20.9% | |||
| 27 | Red-breasted Merganser | 0.7% | 25.0% | 24.3% | |||
| 28 | Gadwall | 0.1% | 25.0% | 24.9% | |||
| 29 | Great Black-backed Gull | 0% | 25.0% | 25.0% | |||
| 30 | American Goldfinch | 47.1% | 12.5% | 34.6% | |||
| 31 | House Finch | 27.2% | 12.5% | 14.7% | |||
| 32 | Belted Kingfisher | 18.6% | 12.5% | 6.1% | |||
| 33 | Northern Flicker | 13.1% | 12.5% | 0.6% | |||
| 34 | Field Sparrow | 10.7% | 12.5% | 1.8% | |||
| 35 | Rock Pigeon | 4.9% | 12.5% | 7.6% | |||
| 36 | Hooded Merganser | 2.3% | 12.5% | 10.2% | |||
| 37 | Pied-billed Grebe | 2.1% | 12.5% | 10.4% | |||
| 38 | Mute Swan | 0.4% | 12.5% | 12.1% | |||
| 39 | Laughing Gull | 0.1% | 12.5% | 12.4% | |||
| 40 | Red-necked Grebe | 0.0% | 12.5% | 12.5% | |||
| 41 | Red-throated Loon | 0% | 12.5% | 12.5% |