Top Birds at Duke University--Wetland Center 'SWAMP' in April
relative to other locations within 25 miles of 35.791540, -78.781117
based on 104 checklists
This page shows the probability of a species appearing on a checklist at Duke University--Wetland Center 'SWAMP' 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.
| Evidence | Sampling | Score | |||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Links | Species | Media | Years | Birders | Hits | Frequency | Percentile | |
| 1 | Northern Cardinal | 1 | 17 | 56 | 91 | 87.5% | 88% | ||
| 2 | Carolina Wren | 2 | 17 | 47 | 82 | 78.8% | 87% | ||
| 3 | Red-bellied Woodpecker | 0 | 17 | 49 | 80 | 76.9% | 94% | ||
| 4 | Tufted Titmouse | 0 | 17 | 43 | 76 | 73.1% | 76% | ||
| 5 | Blue-gray Gnatcatcher | 0 | 17 | 44 | 72 | 69.2% | 76% | ||
| 6 | Carolina Chickadee | 0 | 17 | 43 | 71 | 68.3% | 79% | ||
| 7 | White-throated Sparrow | 0 | 15 | 46 | 70 | 67.3% | 86% | ||
| 8 | Eastern Towhee | 0 | 17 | 38 | 58 | 55.8% | 81% | ||
| 9 | Mallard | 2 | 15 | 41 | 58 | 55.8% | 91% | ||
| 10 | Northern Parula | 0 | 17 | 35 | 55 | 52.9% | 79% | ||
| 11 | Blue Jay | 1 | 16 | 37 | 54 | 51.9% | 81% | ||
| 12 | Canada Goose | 1 | 15 | 36 | 51 | 49.0% | 77% | ||
| 13 | Mourning Dove | 0 | 16 | 35 | 51 | 49.0% | 80% | ||
| 14 | White-eyed Vireo | 1 | 17 | 33 | 51 | 49.0% | 78% | ||
| 15 | Pine Warbler | 0 | 17 | 29 | 49 | 47.1% | 65% | ||
| 16 | Downy Woodpecker | 0 | 15 | 30 | 48 | 46.2% | 80% | ||
| 17 | Eastern Phoebe | 1 | 14 | 27 | 48 | 46.2% | 90% | ||
| 18 | Yellow-rumped Warbler | 0 | 15 | 30 | 47 | 45.2% | 79% | ||
| 19 | Red-shouldered Hawk | 0 | 14 | 28 | 46 | 44.2% | 88% | ||
| 20 | Northern Rough-winged Swallow | 0 | 17 | 35 | 44 | 42.3% | 87% | ||
| 21 | American Goldfinch | 0 | 15 | 28 | 43 | 41.3% | 62% | ||
| 22 | Red-eyed Vireo | 0 | 17 | 24 | 41 | 39.4% | 80% | ||
| 23 | Ruby-crowned Kinglet | 0 | 11 | 22 | 37 | 35.6% | 80% | ||
| 24 | Great Crested Flycatcher | 0 | 13 | 25 | 35 | 33.7% | 85% | ||
| 25 | Brown-headed Nuthatch | 0 | 15 | 23 | 34 | 32.7% | 70% | ||
| 26 | American Crow | 0 | 14 | 24 | 33 | 31.7% | 35% | ||
| 27 | Fish Crow | 0 | 15 | 23 | 32 | 30.8% | 63% | ||
| 28 | White-breasted Nuthatch | 0 | 15 | 19 | 31 | 29.8% | 81% | ||
| 29 | Great Blue Heron | 0 | 15 | 23 | 29 | 27.9% | 52% | ||
| 30 | American Robin | 0 | 12 | 24 | 29 | 27.9% | 42% | ||
| 31 | Brown-headed Cowbird | 0 | 13 | 18 | 29 | 27.9% | 51% | ||
| 32 | Gray Catbird | 0 | 14 | 26 | 29 | 27.9% | 84% | ||
| 33 | Red-winged Blackbird | 0 | 10 | 20 | 25 | 24.0% | 72% | ||
| 34 | Solitary Sandpiper | 3 | 13 | 18 | 25 | 24.0% | 94% | ||
| 35 | Common Yellowthroat | 0 | 12 | 22 | 24 | 23.1% | 61% | ||
| 36 | House Finch | 0 | 11 | 14 | 24 | 23.1% | 58% | ||
| 37 | Ovenbird | 0 | 12 | 16 | 23 | 22.1% | 58% | ||
| 38 | Killdeer | 1 | 11 | 13 | 21 | 20.2% | 70% | ||
| 39 | Hairy Woodpecker | 0 | 10 | 14 | 21 | 20.2% | 87% | ||
| 40 | Swamp Sparrow | 0 | 9 | 18 | 20 | 19.2% | 80% | ||
| 41 | Eastern Bluebird | 0 | 8 | 14 | 19 | 18.3% | 32% | ||
| 42 | Turkey Vulture | 0 | 9 | 18 | 18 | 17.3% | 29% | ||
| 43 | Pileated Woodpecker | 0 | 8 | 10 | 17 | 16.3% | 51% | ||
| 44 | Belted Kingfisher | 0 | 7 | 16 | 17 | 16.3% | 65% | ||
| 45 | Black-and-white Warbler | 0 | 10 | 16 | 17 | 16.3% | 65% | ||
| 46 | Chimney Swift | 0 | 10 | 11 | 15 | 14.4% | 72% | ||
| 47 | Common Grackle | 0 | 10 | 14 | 14 | 13.5% | 45% | ||
| 48 | Brown Thrasher | 0 | 10 | 17 | 14 | 13.5% | 49% | ||
| 49 | Summer Tanager | 0 | 9 | 11 | 14 | 13.5% | 53% | ||
| 50 | Ruby-throated Hummingbird | 1 | 10 | 15 | 14 | 13.5% | 78% | ||
| 51 | Black-throated Blue Warbler | 0 | 8 | 11 | 13 | 12.5% | 83% | ||
| 52 | Song Sparrow | 0 | 6 | 11 | 11 | 10.6% | 45% | ||
| 53 | Northern Mockingbird | 0 | 8 | 10 | 10 | 9.6% | 33% | ||
| 54 | Wood Thrush | 0 | 7 | 13 | 10 | 9.6% | 58% | ||
| 55 | Indigo Bunting | 0 | 4 | 8 | 9 | 8.7% | 52% | ||
| 56 | Eastern Kingbird | 0 | 7 | 10 | 9 | 8.7% | 52% | ||
| 57 | Northern Flicker | 0 | 6 | 11 | 9 | 8.7% | 51% | ||
| 58 | Hooded Warbler | 0 | 5 | 9 | 9 | 8.7% | 58% | ||
| 59 | Hermit Thrush | 0 | 6 | 7 | 9 | 8.7% | 61% | ||
| 60 | Spotted Sandpiper | 1 | 8 | 7 | 9 | 8.7% | 61% | ||
| 61 | Scarlet Tanager | 0 | 6 | 8 | 9 | 8.7% | 71% | ||
| 62 | Northern Waterthrush | 0 | 5 | 9 | 9 | 8.7% | 86% | ||
| 63 | Hooded Merganser | 0 | 4 | 9 | 9 | 8.7% | 89% | ||
| 64 | Louisiana Waterthrush | 0 | 4 | 6 | 8 | 7.7% | 51% | ||
| 65 | Chipping Sparrow | 0 | 6 | 8 | 7 | 6.7% | 5% | ||
| 66 | House Wren | 0 | 4 | 6 | 7 | 6.7% | 53% | ||
| 67 | Prairie Warbler | 0 | 6 | 8 | 7 | 6.7% | 58% | ||
| 68 | Green Heron | 0 | 4 | 6 | 7 | 6.7% | 68% | ||
| 69 | Blue-headed Vireo | 0 | 5 | 9 | 7 | 6.7% | 72% | ||
| 70 | Yellow-throated Warbler | 0 | 3 | 6 | 6 | 5.8% | 25% | ||
| 71 | Black Vulture | 0 | 5 | 6 | 6 | 5.8% | 21% | ||
| 72 | American Redstart | 0 | 5 | 9 | 6 | 5.8% | 65% | ||
| 73 | Cedar Waxwing | 0 | 5 | 5 | 6 | 5.8% | 61% | ||
| 74 | Double-crested Cormorant | 0 | 4 | 4 | 5 | 4.8% | 26% | ||
| 75 | Barred Owl | 0 | 4 | 5 | 5 | 4.8% | 32% | ||
| 76 | Palm Warbler | 0 | 4 | 8 | 5 | 4.8% | 43% | ||
| 77 | Wood Duck | 0 | 2 | 3 | 4 | 3.8% | 28% | ||
| 78 | Red-headed Woodpecker | 0 | 3 | 3 | 4 | 3.8% | 26% | ||
| 79 | Prothonotary Warbler | 0 | 3 | 3 | 4 | 3.8% | 32% | ||
| 80 | Blue Grosbeak | 0 | 4 | 6 | 4 | 3.8% | 34% | ||
| 81 | Pine Siskin | 0 | 2 | 5 | 4 | 3.8% | 65% | ||
| 82 | Worm-eating Warbler | 0 | 3 | 4 | 4 | 3.8% | 63% | ||
| 83 | Barn Swallow | 0 | 3 | 4 | 3 | 2.9% | 14% | ||
| 84 | European Starling | 0 | 3 | 3 | 3 | 2.9% | 14% | ||
| 85 | Red-tailed Hawk | 0 | 3 | 4 | 3 | 2.9% | 10% | ||
| 86 | Yellow-throated Vireo | 0 | 2 | 2 | 3 | 2.9% | 22% | ||
| 87 | Acadian Flycatcher | 0 | 3 | 3 | 3 | 2.9% | 34% | ||
| 88 | Rose-breasted Grosbeak | 0 | 3 | 3 | 3 | 2.9% | 72% | ||
| 89 | Blue-winged Warbler | 0 | 2 | 4 | 3 | 2.9% | 69% | ||
| 90 | Field Sparrow | 0 | 2 | 4 | 2 | 1.9% | 14% | ||
| 91 | Orchard Oriole | 1 | 2 | 2 | 2 | 1.9% | 15% | ||
| 92 | Cooper's Hawk | 0 | 2 | 3 | 2 | 1.9% | 19% | ||
| 93 | Veery | 0 | 2 | 2 | 2 | 1.9% | 37% | ||
| 94 | Yellow-bellied Sapsucker | 0 | 2 | 3 | 2 | 1.9% | 42% | ||
| 95 | Swainson's Thrush | 0 | 2 | 2 | 2 | 1.9% | 40% | ||
| 96 | Black-crowned Night-Heron | 1 | 1 | 2 | 2 | 1.9% | 70% | ||
| 97 | Osprey | 0 | 1 | 2 | 1 | 1.0% | 1% | ||
| 98 | Tree Swallow | 0 | 1 | 2 | 1 | 1.0% | 3% | ||
| 99 | Purple Martin | 0 | 1 | 1 | 1 | 1.0% | 4% | ||
| 100 | Eastern Wood-Pewee | 0 | 1 | 1 | 1 | 1.0% | 12% | ||
| 101 | American Bittern | 0 | 1 | 1 | 1 | 1.0% | 20% | ||
| 102 | American Coot | 0 | 1 | 2 | 1 | 1.0% | 29% | ||
| 103 | Golden-crowned Kinglet | 0 | 1 | 1 | 1 | 1.0% | 20% | ||
| 104 | Red-breasted Nuthatch | 0 | 1 | 1 | 1 | 1.0% | 25% | ||
| 105 | Black-throated Green Warbler | 0 | 1 | 1 | 1 | 1.0% | 30% | ||
| 106 | Common Raven | 0 | 1 | 1 | 1 | 1.0% | 27% | ||
| 107 | Chuck-will's-widow | 0 | 1 | 1 | 1 | 1.0% | 12% | ||
| 108 | Orange-crowned Warbler | 0 | 1 | 1 | 1 | 1.0% | 45% | ||
| 109 | Blackburnian Warbler | 0 | 1 | 1 | 1 | 1.0% | 76% | ||
| 110 | Chestnut-sided Warbler | 0 | 1 | 3 | 1 | 1.0% | 45% | ||