Top Birds at Grass Island Natural Area in April
relative to other locations within 25 miles of 35.791540, -78.781117
based on 97 checklists
This page shows the probability of a species appearing on a checklist at Grass Island Natural Area in April. 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 | American Robin | 42.0% | 81.4% | 39.5% | |||
| 2 | European Starling | 19.9% | 71.1% | 51.2% | |||
| 3 | American Black Duck | 0.1% | 70.1% | 70.0% | |||
| 4 | American Herring Gull | 0.5% | 68.0% | 67.6% | |||
| 5 | Mallard | 29.5% | 66.0% | 36.5% | |||
| 6 | Song Sparrow | 23.8% | 61.9% | 38.0% | |||
| 7 | Common Grackle | 25.9% | 60.8% | 34.9% | |||
| 8 | Double-crested Cormorant | 25.8% | 60.8% | 35.1% | |||
| 9 | Fish Crow | 37.0% | 59.8% | 22.8% | |||
| 10 | Red-winged Blackbird | 26.8% | 54.6% | 27.9% | |||
| 11 | Mourning Dove | 45.4% | 51.5% | 6.2% | |||
| 12 | Ring-billed Gull | 6.3% | 51.5% | 45.2% | |||
| 13 | Bufflehead | 1.3% | 51.5% | 50.3% | |||
| 14 | Northern Cardinal | 80.7% | 47.4% | 33.3% | |||
| 15 | Canada Goose | 48.6% | 42.3% | 6.3% | |||
| 16 | White-throated Sparrow | 57.3% | 41.2% | 16.1% | |||
| 17 | Rock Pigeon | 4.9% | 41.2% | 36.3% | |||
| 18 | Blue Jay | 48.6% | 38.1% | 10.4% | |||
| 19 | Northern Mockingbird | 26.9% | 38.1% | 11.2% | |||
| 20 | Great Egret | 2.2% | 38.1% | 35.9% | |||
| 21 | American Goldfinch | 47.1% | 34.0% | 13.1% | |||
| 22 | House Sparrow | 2.2% | 33.0% | 30.8% | |||
| 23 | Carolina Wren | 71.6% | 30.9% | 40.6% | |||
| 24 | Osprey | 17.5% | 28.9% | 11.3% | |||
| 25 | Northern Flicker | 13.1% | 28.9% | 15.8% | |||
| 26 | Mute Swan | 0.4% | 26.8% | 26.4% | |||
| 27 | House Finch | 27.2% | 25.8% | 1.5% | |||
| 28 | Brant | 0% | 25.8% | 25.8% | |||
| 29 | Downy Woodpecker | 40.0% | 23.7% | 16.3% | |||
| 30 | Red-breasted Merganser | 0.7% | 23.7% | 23.0% | |||
| 31 | Bonaparte's Gull | 3.6% | 22.7% | 19.1% | |||
| 32 | Gadwall | 0.1% | 20.6% | 20.5% | |||
| 33 | Snowy Egret | 0.1% | 20.6% | 20.5% | |||
| 34 | Killdeer | 17.3% | 18.6% | 1.3% | |||
| 35 | Brown-headed Cowbird | 38.0% | 15.5% | 22.6% | |||
| 36 | American Coot | 0.8% | 15.5% | 14.6% | |||
| 37 | Great Black-backed Gull | 0% | 15.5% | 15.5% | |||
| 38 | Red-tailed Hawk | 12.5% | 14.4% | 1.9% | |||
| 39 | Common Loon | 0.6% | 14.4% | 13.8% | |||
| 40 | American Crow | 56.7% | 10.3% | 46.4% | |||
| 41 | Northern Rough-winged Swallow | 28.5% | 10.3% | 18.2% | |||
| 42 | Red-throated Loon | 0% | 10.3% | 10.3% | |||
| 43 | Red-bellied Woodpecker | 58.3% | 9.3% | 49.1% | |||
| 44 | Dark-eyed Junco | 5.1% | 9.3% | 4.2% | |||
| 45 | Black-capped Chickadee | 0% | 9.3% | 9.3% | |||
| 46 | Tufted Titmouse | 70.2% | 8.2% | 61.9% | |||
| 47 | Barn Swallow | 19.6% | 8.2% | 11.4% | |||
| 48 | Hairy Woodpecker | 10.1% | 8.2% | 1.9% | |||
| 49 | Chipping Sparrow | 43.6% | 7.2% | 36.4% | |||
| 50 | Pied-billed Grebe | 2.1% | 6.2% | 4.1% | |||
| 51 | Tree Swallow | 14.5% | 5.2% | 9.3% | |||
| 52 | Long-tailed Duck | 0% | 5.2% | 5.2% | |||
| 53 | Belted Kingfisher | 18.6% | 4.1% | 14.5% | |||
| 54 | Savannah Sparrow | 4.1% | 4.1% | 0.0% | |||
| 55 | Lesser Scaup | 0.7% | 4.1% | 3.5% | |||
| 56 | Horned Grebe | 0.3% | 4.1% | 3.8% | |||
| 57 | Turkey Vulture | 42.8% | 3.1% | 39.7% | |||
| 58 | Eastern Phoebe | 35.4% | 3.1% | 32.3% | |||
| 59 | Bald Eagle | 12.4% | 3.1% | 9.3% | |||
| 60 | House Wren | 10.2% | 3.1% | 7.1% | |||
| 61 | Yellow Warbler | 2.6% | 3.1% | 0.4% | |||
| 62 | Gray Catbird | 18.3% | 2.1% | 16.2% | |||
| 63 | Swamp Sparrow | 14.1% | 2.1% | 12.0% | |||
| 64 | Sharp-shinned Hawk | 1.0% | 2.1% | 1.0% | |||
| 65 | Greater Yellowlegs | 0.8% | 2.1% | 1.2% | |||
| 66 | Black-crowned Night-Heron | 0.1% | 2.1% | 2.0% | |||
| 67 | Chimney Swift | 13.9% | 1.0% | 12.9% | |||
| 68 | Field Sparrow | 10.7% | 1.0% | 9.7% | |||
| 69 | Hermit Thrush | 8.2% | 1.0% | 7.2% | |||
| 70 | Purple Martin | 7.0% | 1.0% | 6.0% | |||
| 71 | Cedar Waxwing | 5.8% | 1.0% | 4.8% | |||
| 72 | Cooper's Hawk | 3.8% | 1.0% | 2.8% | |||
| 73 | Northern Waterthrush | 3.3% | 1.0% | 2.2% | |||
| 74 | Hooded Merganser | 2.3% | 1.0% | 1.3% | |||
| 75 | Lesser Yellowlegs | 1.4% | 1.0% | 0.3% | |||
| 76 | Golden-crowned Kinglet | 0.8% | 1.0% | 0.2% | |||
| 77 | Brown Creeper | 0.3% | 1.0% | 0.7% | |||
| 78 | Warbling Vireo | 0.2% | 1.0% | 0.8% | |||
| 79 | Lesser Black-backed Gull | 0.1% | 1.0% | 0.9% | |||
| 80 | Greater Scaup | 0.1% | 1.0% | 1.0% | |||
| 81 | Fox Sparrow | 0.1% | 1.0% | 1.0% | |||
| 82 | Common Tern | 0.0% | 1.0% | 1.0% | |||
| 83 | Little Gull | 0% | 1.0% | 1.0% |