Top Birds at Grass Island Natural Area in September
relative to other locations within 25 miles of 40.781243, -73.966507
based on 34 checklists
This page shows the probability of a species appearing on a checklist at Grass Island Natural Area 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 | Great Egret | 18.9% | 73.5% | 54.6% | |||
| 2 | Double-crested Cormorant | 30.9% | 70.6% | 39.7% | |||
| 3 | Laughing Gull | 18.6% | 70.6% | 51.9% | |||
| 4 | American Herring Gull | 29.6% | 67.6% | 38.1% | |||
| 5 | Ring-billed Gull | 24.3% | 67.6% | 43.3% | |||
| 6 | Osprey | 24.5% | 64.7% | 40.2% | |||
| 7 | Mourning Dove | 52.5% | 61.8% | 9.2% | |||
| 8 | Mallard | 35.4% | 61.8% | 26.3% | |||
| 9 | Blue Jay | 51.8% | 58.8% | 7.0% | |||
| 10 | Mute Swan | 10.9% | 58.8% | 48.0% | |||
| 11 | Great Blue Heron | 24.6% | 52.9% | 28.4% | |||
| 12 | Gray Catbird | 60.2% | 47.1% | 13.1% | |||
| 13 | Song Sparrow | 27.5% | 47.1% | 19.6% | |||
| 14 | Snowy Egret | 11.5% | 47.1% | 35.6% | |||
| 15 | American Black Duck | 8.0% | 47.1% | 39.1% | |||
| 16 | European Starling | 46.6% | 44.1% | 2.5% | |||
| 17 | House Sparrow | 45.4% | 44.1% | 1.2% | |||
| 18 | Black-crowned Night-Heron | 7.5% | 44.1% | 36.6% | |||
| 19 | Fish Crow | 2.9% | 41.2% | 38.3% | |||
| 20 | American Robin | 59.4% | 35.3% | 24.1% | |||
| 21 | Common Yellowthroat | 44.2% | 35.3% | 8.9% | |||
| 22 | Northern Mockingbird | 30.9% | 35.3% | 4.4% | |||
| 23 | American Goldfinch | 26.4% | 35.3% | 8.9% | |||
| 24 | Northern Cardinal | 50.4% | 32.4% | 18.0% | |||
| 25 | Canada Goose | 37.2% | 32.4% | 4.9% | |||
| 26 | Northern Flicker | 42.3% | 20.6% | 21.7% | |||
| 27 | Rock Pigeon | 37.0% | 17.6% | 19.4% | |||
| 28 | Ruby-throated Hummingbird | 16.3% | 17.6% | 1.4% | |||
| 29 | Downy Woodpecker | 31.5% | 14.7% | 16.8% | |||
| 30 | Red-bellied Woodpecker | 30.7% | 14.7% | 16.0% | |||
| 31 | Carolina Wren | 27.1% | 14.7% | 12.3% | |||
| 32 | Red-tailed Hawk | 18.3% | 14.7% | 3.6% | |||
| 33 | American Crow | 17.7% | 14.7% | 3.0% | |||
| 34 | House Finch | 14.4% | 14.7% | 0.3% | |||
| 35 | Killdeer | 6.9% | 11.8% | 4.8% | |||
| 36 | Bald Eagle | 4.8% | 8.8% | 4.1% | |||
| 37 | Broad-winged Hawk | 2.7% | 8.8% | 6.1% | |||
| 38 | American Redstart | 42.5% | 5.9% | 36.6% | |||
| 39 | Black-and-white Warbler | 31.4% | 5.9% | 25.6% | |||
| 40 | Great Black-backed Gull | 17.1% | 5.9% | 11.2% | |||
| 41 | House Wren | 15.7% | 5.9% | 9.8% | |||
| 42 | Cedar Waxwing | 15.3% | 5.9% | 9.4% | |||
| 43 | Belted Kingfisher | 11.3% | 5.9% | 5.5% | |||
| 44 | Tufted Titmouse | 9.0% | 5.9% | 3.2% | |||
| 45 | Hairy Woodpecker | 8.4% | 5.9% | 2.5% | |||
| 46 | Greater Yellowlegs | 8.2% | 5.9% | 2.3% | |||
| 47 | Green Heron | 7.4% | 5.9% | 1.6% | |||
| 48 | Eastern Kingbird | 2.8% | 5.9% | 3.1% | |||
| 49 | Common Grackle | 23.8% | 2.9% | 20.9% | |||
| 50 | Palm Warbler | 14.7% | 2.9% | 11.7% | |||
| 51 | White-breasted Nuthatch | 12.6% | 2.9% | 9.6% | |||
| 52 | White-throated Sparrow | 11.3% | 2.9% | 8.4% | |||
| 53 | American Kestrel | 10.6% | 2.9% | 7.6% | |||
| 54 | Turkey Vulture | 7.9% | 2.9% | 4.9% | |||
| 55 | Red-breasted Nuthatch | 7.6% | 2.9% | 4.6% | |||
| 56 | Peregrine Falcon | 6.9% | 2.9% | 4.0% | |||
| 57 | Savannah Sparrow | 6.3% | 2.9% | 3.3% | |||
| 58 | Swamp Sparrow | 5.2% | 2.9% | 2.3% | |||
| 59 | Spotted Sandpiper | 4.7% | 2.9% | 1.8% | |||
| 60 | Sharp-shinned Hawk | 4.7% | 2.9% | 1.8% | |||
| 61 | Gadwall | 4.4% | 2.9% | 1.4% | |||
| 62 | Green-winged Teal | 3.8% | 2.9% | 0.9% | |||
| 63 | Yellow-crowned Night-Heron | 3.8% | 2.9% | 0.9% | |||
| 64 | Blue-headed Vireo | 3.3% | 2.9% | 0.4% | |||
| 65 | Northern Harrier | 3.3% | 2.9% | 0.3% | |||
| 66 | Little Blue Heron | 1.9% | 2.9% | 1.1% | |||
| 67 | Hermit Thrush | 0.5% | 2.9% | 2.5% | |||
| 68 | Bufflehead | 0.0% | 2.9% | 2.9% | |||
| 69 | Cave Swallow | 0% | 2.9% | 2.9% |