Top Birds at Alvin P. Williams Park (Sewaren Marina Park) in April
relative to other locations within 25 miles of New York, NY, USA
based on 7 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 | 52.9% | 85.7% | 32.8% | |||
| 2 | Double-crested Cormorant | 36.8% | 85.7% | 48.9% | |||
| 3 | Ring-billed Gull | 23.3% | 85.7% | 62.4% | |||
| 4 | Herring Gull | 26.4% | 71.4% | 45.0% | |||
| 5 | Brant | 13.8% | 71.4% | 57.6% | |||
| 6 | Bufflehead | 11.9% | 71.4% | 59.5% | |||
| 7 | European Starling | 56.7% | 57.1% | 0.5% | |||
| 8 | Mallard | 54.7% | 57.1% | 2.5% | |||
| 9 | Northern Mockingbird | 28.3% | 57.1% | 28.8% | |||
| 10 | American Robin | 74.8% | 42.9% | 31.9% | |||
| 11 | Red-winged Blackbird | 54.7% | 42.9% | 11.9% | |||
| 12 | House Sparrow | 53.2% | 42.9% | 10.3% | |||
| 13 | Blue Jay | 52.6% | 42.9% | 9.7% | |||
| 14 | Great Egret | 22.7% | 42.9% | 20.1% | |||
| 15 | Turkey Vulture | 12.5% | 42.9% | 30.3% | |||
| 16 | Northern Cardinal | 60.6% | 28.6% | 32.0% | |||
| 17 | Common Grackle | 48.8% | 28.6% | 20.3% | |||
| 18 | Song Sparrow | 48.8% | 28.6% | 20.2% | |||
| 19 | Brown-headed Cowbird | 23.0% | 28.6% | 5.6% | |||
| 20 | American Crow | 19.4% | 28.6% | 9.2% | |||
| 21 | Osprey | 19.2% | 28.6% | 9.3% | |||
| 22 | Great Black-backed Gull | 15.6% | 28.6% | 12.9% | |||
| 23 | Gadwall | 8.5% | 28.6% | 20.0% | |||
| 24 | American Oystercatcher | 7.0% | 28.6% | 21.5% | |||
| 25 | Red-breasted Merganser | 7.0% | 28.6% | 21.5% | |||
| 26 | Mourning Dove | 51.6% | 14.3% | 37.3% | |||
| 27 | Northern Flicker | 45.2% | 14.3% | 30.9% | |||
| 28 | Rock Pigeon | 34.1% | 14.3% | 19.9% | |||
| 29 | House Finch | 16.6% | 14.3% | 2.3% | |||
| 30 | Fish Crow | 15.6% | 14.3% | 1.3% | |||
| 31 | Mute Swan | 15.4% | 14.3% | 1.2% | |||
| 32 | Laughing Gull | 11.1% | 14.3% | 3.2% | |||
| 33 | Northern Rough-winged Swallow | 10.9% | 14.3% | 3.4% | |||
| 34 | Belted Kingfisher | 10.2% | 14.3% | 4.1% | |||
| 35 | Field Sparrow | 8.1% | 14.3% | 6.2% | |||
| 36 | Savannah Sparrow | 7.8% | 14.3% | 6.5% | |||
| 37 | Red-throated Loon | 4.4% | 14.3% | 9.9% | |||
| 38 | Hooded Merganser | 2.8% | 14.3% | 11.5% | |||
| 39 | Pied-billed Grebe | 2.8% | 14.3% | 11.5% | |||
| 40 | Red-necked Grebe | 0.5% | 14.3% | 13.8% |