Top Birds at Grass Island Natural Area in August
relative to other locations within 25 miles of New York City, United States
based on 27 checklists
This page shows the probability of a species appearing on a checklist at Grass Island Natural Area in August. 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.
| Evidence | Sampling | Score | |||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Links | Species | Media | Years | Birders | Hits | Frequency | Percentile | |
| 1 | Mallard | 1 | 9 | 7 | 18 | 66.7% | 84% | ||
| 2 | Laughing Gull | 11 | 7 | 7 | 17 | 63.0% | 76% | ||
| 3 | Great Egret | 0 | 6 | 5 | 16 | 59.3% | 80% | ||
| 4 | Ring-billed Gull | 2 | 7 | 7 | 16 | 59.3% | 79% | ||
| 5 | House Sparrow | 0 | 7 | 7 | 15 | 55.6% | 74% | ||
| 6 | Double-crested Cormorant | 0 | 7 | 5 | 15 | 55.6% | 74% | ||
| 7 | American Herring Gull | 1 | 7 | 7 | 15 | 55.6% | 72% | ||
| 8 | European Starling | 0 | 6 | 5 | 14 | 51.9% | 74% | ||
| 9 | Osprey | 1 | 6 | 6 | 14 | 51.9% | 75% | ||
| 10 | Mute Swan | 2 | 8 | 8 | 14 | 51.9% | 90% | ||
| 11 | Mourning Dove | 0 | 5 | 6 | 12 | 44.4% | 59% | ||
| 12 | Snowy Egret | 1 | 6 | 6 | 12 | 44.4% | 77% | ||
| 13 | Canada Goose | 1 | 6 | 5 | 11 | 40.7% | 65% | ||
| 14 | Great Blue Heron | 2 | 6 | 8 | 11 | 40.7% | 71% | ||
| 15 | Black-crowned Night-Heron | 2 | 6 | 6 | 11 | 40.7% | 92% | ||
| 16 | Fish Crow | 1 | 3 | 4 | 11 | 40.7% | 92% | ||
| 17 | American Robin | 0 | 5 | 5 | 10 | 37.0% | 51% | ||
| 18 | Gray Catbird | 0 | 7 | 6 | 10 | 37.0% | 51% | ||
| 19 | American Goldfinch | 0 | 6 | 5 | 10 | 37.0% | 64% | ||
| 20 | Northern Mockingbird | 0 | 8 | 6 | 10 | 37.0% | 69% | ||
| 21 | Blue Jay | 0 | 5 | 5 | 10 | 37.0% | 58% | ||
| 22 | Barn Swallow | 1 | 5 | 6 | 9 | 33.3% | 60% | ||
| 23 | Rock Pigeon | 0 | 4 | 5 | 9 | 33.3% | 47% | ||
| 24 | Song Sparrow | 0 | 6 | 5 | 9 | 33.3% | 59% | ||
| 25 | American Black Duck | 0 | 6 | 5 | 9 | 33.3% | 91% | ||
| 26 | Northern Flicker | 0 | 3 | 4 | 6 | 22.2% | 51% | ||
| 27 | Carolina Wren | 0 | 3 | 3 | 6 | 22.2% | 50% | ||
| 28 | Killdeer | 0 | 5 | 3 | 6 | 22.2% | 64% | ||
| 29 | Northern Cardinal | 0 | 5 | 3 | 5 | 18.5% | 26% | ||
| 30 | Great Black-backed Gull | 1 | 4 | 3 | 5 | 18.5% | 33% | ||
| 31 | Semipalmated Plover | 1 | 2 | 2 | 4 | 14.8% | 35% | ||
| 32 | Green Heron | 2 | 3 | 3 | 4 | 14.8% | 59% | ||
| 33 | Belted Kingfisher | 0 | 3 | 4 | 4 | 14.8% | 61% | ||
| 34 | Downy Woodpecker | 0 | 3 | 3 | 3 | 11.1% | 29% | ||
| 35 | Red-winged Blackbird | 0 | 1 | 1 | 2 | 7.4% | 18% | ||
| 36 | Northern Yellow Warbler | 0 | 2 | 2 | 2 | 7.4% | 26% | ||
| 37 | Common Tern | 1 | 1 | 1 | 2 | 7.4% | 16% | ||
| 38 | Cedar Waxwing | 0 | 2 | 2 | 2 | 7.4% | 29% | ||
| 39 | Greater Yellowlegs | 1 | 2 | 1 | 2 | 7.4% | 36% | ||
| 40 | House Wren | 0 | 2 | 2 | 2 | 7.4% | 31% | ||
| 41 | Northern Rough-winged Swallow | 0 | 2 | 2 | 2 | 7.4% | 79% | ||
| 42 | Red-bellied Woodpecker | 0 | 1 | 1 | 1 | 3.7% | 9% | ||
| 43 | Spotted Sandpiper | 1 | 1 | 1 | 1 | 3.7% | 7% | ||
| 44 | House Finch | 0 | 1 | 1 | 1 | 3.7% | 6% | ||
| 45 | Tree Swallow | 0 | 1 | 1 | 1 | 3.7% | 10% | ||
| 46 | American Crow | 0 | 1 | 1 | 1 | 3.7% | 5% | ||
| 47 | American Oystercatcher | 0 | 1 | 1 | 1 | 3.7% | 11% | ||
| 48 | Red-tailed Hawk | 1 | 1 | 1 | 1 | 3.7% | 11% | ||
| 49 | Yellow-crowned Night-Heron | 1 | 1 | 1 | 1 | 3.7% | 18% | ||
| 50 | Ruby-throated Hummingbird | 0 | 1 | 1 | 1 | 3.7% | 16% | ||
| 51 | White-breasted Nuthatch | 0 | 1 | 1 | 1 | 3.7% | 13% | ||
| 52 | Chipping Sparrow | 0 | 1 | 1 | 1 | 3.7% | 26% | ||
| 53 | Gadwall | 1 | 1 | 1 | 1 | 3.7% | 38% | ||
| 54 | Bald Eagle | 0 | 1 | 1 | 1 | 3.7% | 27% | ||
| 55 | Indigo Bunting | 0 | 1 | 1 | 1 | 3.7% | 32% | ||