Bird Finder

Top Birds at Grass Island Natural Area in September
relative to other locations within 25 miles of New York, NY, USA

based on 24 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.

Back to the Top Birds list

Rank Info Pics Species Entire Region This Location Difference
1   Osprey 25.5% 75.0% 49.5%
2   Mourning Dove 53.2% 70.8% 17.6%
3   Blue Jay 51.8% 70.8% 19.1%
4   Double-crested Cormorant 32.0% 70.8% 38.8%
5   Great Egret 20.0% 70.8% 50.8%
6   Gray Catbird 60.6% 66.7% 6.1%
7   Mallard 36.6% 62.5% 25.9%
8   Herring Gull 30.9% 62.5% 31.6%
9   European Starling 48.4% 58.3% 9.9%
10   Laughing Gull 18.6% 58.3% 39.7%
11   Song Sparrow 28.6% 54.2% 25.5%
12   Ring-billed Gull 25.2% 54.2% 29.0%
13   Mute Swan 11.4% 54.2% 42.7%
14   American Black Duck 8.0% 54.2% 46.2%
15   American Robin 60.3% 50.0% 10.3%
16   American Goldfinch 27.7% 50.0% 22.3%
17   Great Blue Heron 24.7% 50.0% 25.3%
18   Northern Cardinal 50.4% 45.8% 4.5%
19   Common Yellowthroat 45.2% 45.8% 0.7%
20   Snowy Egret 12.1% 41.7% 29.5%
21   Black-crowned Night-Heron 8.0% 41.7% 33.7%
22   Fish Crow 2.9% 41.7% 38.8%
23   Northern Mockingbird 31.6% 37.5% 5.9%
24   House Sparrow 45.9% 33.3% 12.6%
25   Canada Goose 37.8% 29.2% 8.7%
26   Northern Flicker 43.2% 25.0% 18.2%
27   Ruby-throated Hummingbird 16.6% 25.0% 8.4%
28   Downy Woodpecker 31.8% 20.8% 11.0%
29   Red-bellied Woodpecker 29.6% 20.8% 8.7%
30   Carolina Wren 26.9% 20.8% 6.0%
31   House Finch 14.9% 20.8% 6.0%
32   Rock Pigeon 36.8% 16.7% 20.1%
33   Red-tailed Hawk 18.7% 16.7% 2.1%
34   Bald Eagle 4.8% 12.5% 7.7%
35   Broad-winged Hawk 3.2% 12.5% 9.3%
36   American Redstart 43.0% 8.3% 34.7%
37   Black-and-white Warbler 31.7% 8.3% 23.4%
38   Great Black-backed Gull 18.6% 8.3% 10.3%
39   House Wren 17.3% 8.3% 9.0%
40   American Crow 17.0% 8.3% 8.7%
41   Cedar Waxwing 16.4% 8.3% 8.1%
42   Greater Yellowlegs 8.8% 8.3% 0.5%
43   Hairy Woodpecker 8.5% 8.3% 0.1%
44   Green Heron 7.5% 8.3% 0.8%
45   Killdeer 7.5% 8.3% 0.9%
46   Common Grackle 24.0% 4.2% 19.8%
47   Palm Warbler 15.1% 4.2% 11.0%
48   White-breasted Nuthatch 13.5% 4.2% 9.3%
49   Belted Kingfisher 12.1% 4.2% 7.9%
50   American Kestrel 10.8% 4.2% 6.7%
51   Tufted Titmouse 10.0% 4.2% 5.8%
52   White-throated Sparrow 9.6% 4.2% 5.4%
53   Turkey Vulture 8.4% 4.2% 4.2%
54   Red-breasted Nuthatch 7.6% 4.2% 3.4%
55   Peregrine Falcon 7.4% 4.2% 3.2%
56   Savannah Sparrow 6.3% 4.2% 2.2%
57   Sharp-shinned Hawk 5.3% 4.2% 1.1%
58   Swamp Sparrow 5.0% 4.2% 0.8%
59   Spotted Sandpiper 5.0% 4.2% 0.8%
60   Gadwall 4.6% 4.2% 0.4%
61   Yellow-crowned Night-Heron 4.0% 4.2% 0.2%
62   Green-winged Teal 3.7% 4.2% 0.5%
63   Northern Harrier 3.6% 4.2% 0.6%
64   Blue-headed Vireo 3.3% 4.2% 0.9%
65   Eastern Kingbird 3.0% 4.2% 1.2%
66   Bufflehead 0.0% 4.2% 4.2%
67   Cave Swallow 0% 4.2% 4.2%