Top Birds at Alvin P. Williams Park (Sewaren Marina Park) in September
relative to other locations within 25 miles of New York, NY, USA
based on 29 checklists
This page shows the probability of a species appearing on a checklist at Alvin P. Williams Park (Sewaren Marina Park) in September. 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 | Double-crested Cormorant | 32.0% | 89.7% | 57.7% | |||
| 2 | Herring Gull | 30.8% | 89.7% | 58.8% | |||
| 3 | Great Black-backed Gull | 18.6% | 75.9% | 57.3% | |||
| 4 | Brown Booby | 0.1% | 75.9% | 75.8% | |||
| 5 | Osprey | 25.4% | 72.4% | 47.0% | |||
| 6 | Great Egret | 20.0% | 55.2% | 35.2% | |||
| 7 | Canada Goose | 37.8% | 51.7% | 13.9% | |||
| 8 | Northern Mockingbird | 31.6% | 51.7% | 20.1% | |||
| 9 | Laughing Gull | 18.6% | 48.3% | 29.6% | |||
| 10 | Ring-billed Gull | 25.2% | 41.4% | 16.2% | |||
| 11 | Mourning Dove | 53.2% | 37.9% | 15.3% | |||
| 12 | European Starling | 48.4% | 37.9% | 10.5% | |||
| 13 | Great Blue Heron | 24.7% | 34.5% | 9.8% | |||
| 14 | Turkey Vulture | 8.4% | 27.6% | 19.2% | |||
| 15 | Fish Crow | 2.9% | 27.6% | 24.7% | |||
| 16 | American Robin | 60.3% | 24.1% | 36.2% | |||
| 17 | Blue Jay | 51.8% | 24.1% | 27.6% | |||
| 18 | Song Sparrow | 28.7% | 20.7% | 8.0% | |||
| 19 | American Crow | 17.0% | 20.7% | 3.7% | |||
| 20 | Semipalmated Plover | 7.0% | 20.7% | 13.7% | |||
| 21 | Northern Cardinal | 50.4% | 17.2% | 33.2% | |||
| 22 | House Sparrow | 45.9% | 13.8% | 32.1% | |||
| 23 | Rock Pigeon | 36.8% | 13.8% | 23.0% | |||
| 24 | Common Yellowthroat | 45.2% | 10.3% | 34.9% | |||
| 25 | Savannah Sparrow | 6.3% | 10.3% | 4.0% | |||
| 26 | Spotted Sandpiper | 5.0% | 10.3% | 5.4% | |||
| 27 | Sanderling | 2.9% | 10.3% | 7.4% | |||
| 28 | Gray Catbird | 60.6% | 6.9% | 53.7% | |||
| 29 | Common Grackle | 24.0% | 6.9% | 17.1% | |||
| 30 | House Finch | 14.9% | 6.9% | 8.0% | |||
| 31 | Lesser Yellowlegs | 6.4% | 6.9% | 0.5% | |||
| 32 | Brown-headed Cowbird | 4.0% | 6.9% | 2.9% | |||
| 33 | Black Vulture | 2.7% | 6.9% | 4.2% | |||
| 34 | American Redstart | 43.0% | 3.4% | 39.6% | |||
| 35 | Downy Woodpecker | 31.8% | 3.4% | 28.4% | |||
| 36 | American Goldfinch | 27.8% | 3.4% | 24.3% | |||
| 37 | Northern Parula | 27.0% | 3.4% | 23.5% | |||
| 38 | Eastern Wood-Pewee | 19.5% | 3.4% | 16.1% | |||
| 39 | House Wren | 17.3% | 3.4% | 13.8% | |||
| 40 | Northern Waterthrush | 15.8% | 3.4% | 12.3% | |||
| 41 | Palm Warbler | 15.1% | 3.4% | 11.7% | |||
| 42 | Yellow Warbler | 12.3% | 3.4% | 8.8% | |||
| 43 | Snowy Egret | 12.1% | 3.4% | 8.7% | |||
| 44 | Red-winged Blackbird | 12.1% | 3.4% | 8.7% | |||
| 45 | Belted Kingfisher | 12.1% | 3.4% | 8.6% | |||
| 46 | Mute Swan | 11.4% | 3.4% | 8.0% | |||
| 47 | American Kestrel | 10.8% | 3.4% | 7.4% | |||
| 48 | Cooper's Hawk | 7.4% | 3.4% | 3.9% | |||
| 49 | Merlin | 5.4% | 3.4% | 1.9% | |||
| 50 | Bald Eagle | 4.8% | 3.4% | 1.3% | |||
| 51 | Barn Swallow | 4.7% | 3.4% | 1.3% | |||
| 52 | Nashville Warbler | 4.7% | 3.4% | 1.2% | |||
| 53 | Yellow-crowned Night-Heron | 4.0% | 3.4% | 0.5% | |||
| 54 | Lincoln's Sparrow | 4.0% | 3.4% | 0.5% | |||
| 55 | Marsh Wren | 3.5% | 3.4% | 0.1% |