Top Birds at Alvin P. Williams Park (Sewaren Marina Park) in September
relative to other locations within 25 miles of 40.781243, -73.966507
based on 31 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 | 30.9% | 90.3% | 59.4% | |||
| 2 | American Herring Gull | 29.6% | 90.3% | 60.8% | |||
| 3 | Great Black-backed Gull | 17.1% | 71.0% | 53.9% | |||
| 4 | Brown Booby | 0.1% | 71.0% | 70.9% | |||
| 5 | Osprey | 24.5% | 67.7% | 43.3% | |||
| 6 | Northern Mockingbird | 30.9% | 54.8% | 23.9% | |||
| 7 | Great Egret | 18.9% | 54.8% | 35.9% | |||
| 8 | Canada Goose | 37.2% | 51.6% | 14.4% | |||
| 9 | Laughing Gull | 18.7% | 45.2% | 26.5% | |||
| 10 | European Starling | 46.6% | 38.7% | 7.9% | |||
| 11 | Ring-billed Gull | 24.3% | 38.7% | 14.4% | |||
| 12 | Mourning Dove | 52.5% | 35.5% | 17.1% | |||
| 13 | Great Blue Heron | 24.6% | 32.3% | 7.7% | |||
| 14 | American Robin | 59.4% | 25.8% | 33.6% | |||
| 15 | Blue Jay | 51.8% | 25.8% | 26.0% | |||
| 16 | Song Sparrow | 27.5% | 25.8% | 1.7% | |||
| 17 | Turkey Vulture | 7.9% | 25.8% | 17.9% | |||
| 18 | Fish Crow | 2.9% | 25.8% | 22.9% | |||
| 19 | Northern Cardinal | 50.4% | 19.4% | 31.0% | |||
| 20 | American Crow | 17.7% | 19.4% | 1.7% | |||
| 21 | Semipalmated Plover | 7.1% | 19.4% | 12.3% | |||
| 22 | Savannah Sparrow | 6.3% | 16.1% | 9.8% | |||
| 23 | House Sparrow | 45.4% | 12.9% | 32.5% | |||
| 24 | Rock Pigeon | 37.0% | 12.9% | 24.1% | |||
| 25 | Gray Catbird | 60.2% | 9.7% | 50.5% | |||
| 26 | Common Yellowthroat | 44.2% | 9.7% | 34.5% | |||
| 27 | Spotted Sandpiper | 4.7% | 9.7% | 5.0% | |||
| 28 | Sanderling | 2.6% | 9.7% | 7.1% | |||
| 29 | Downy Woodpecker | 31.5% | 6.5% | 25.0% | |||
| 30 | Common Grackle | 23.8% | 6.5% | 17.4% | |||
| 31 | Palm Warbler | 14.7% | 6.5% | 8.2% | |||
| 32 | House Finch | 14.4% | 6.5% | 8.0% | |||
| 33 | Lesser Yellowlegs | 6.0% | 6.5% | 0.5% | |||
| 34 | Bald Eagle | 4.8% | 6.5% | 1.7% | |||
| 35 | Brown-headed Cowbird | 3.8% | 6.5% | 2.6% | |||
| 36 | Black Vulture | 2.5% | 6.5% | 3.9% | |||
| 37 | American Redstart | 42.5% | 3.2% | 39.2% | |||
| 38 | Carolina Wren | 27.1% | 3.2% | 23.8% | |||
| 39 | American Goldfinch | 26.4% | 3.2% | 23.2% | |||
| 40 | Northern Parula | 26.4% | 3.2% | 23.1% | |||
| 41 | Eastern Wood-Pewee | 18.6% | 3.2% | 15.4% | |||
| 42 | Northern Waterthrush | 16.0% | 3.2% | 12.7% | |||
| 43 | House Wren | 15.7% | 3.2% | 12.5% | |||
| 44 | Yellow Warbler | 12.1% | 3.2% | 8.9% | |||
| 45 | Snowy Egret | 11.5% | 3.2% | 8.3% | |||
| 46 | Red-winged Blackbird | 11.5% | 3.2% | 8.2% | |||
| 47 | Belted Kingfisher | 11.3% | 3.2% | 8.1% | |||
| 48 | Mute Swan | 10.9% | 3.2% | 7.7% | |||
| 49 | American Kestrel | 10.6% | 3.2% | 7.3% | |||
| 50 | Yellow-rumped Warbler | 7.9% | 3.2% | 4.6% | |||
| 51 | Cooper's Hawk | 7.4% | 3.2% | 4.2% | |||
| 52 | Merlin | 5.1% | 3.2% | 1.9% | |||
| 53 | Nashville Warbler | 4.6% | 3.2% | 1.4% | |||
| 54 | Barn Swallow | 4.2% | 3.2% | 1.0% | |||
| 55 | Yellow-crowned Night-Heron | 3.8% | 3.2% | 0.6% | |||
| 56 | Lincoln's Sparrow | 3.7% | 3.2% | 0.5% | |||
| 57 | Marsh Wren | 3.4% | 3.2% | 0.1% | |||
| 58 | Saltmarsh Sparrow | 1.1% | 3.2% | 2.2% |