Top Birds at Duke University--Wetland Center 'SWAMP' in April
relative to other locations within 25 miles of Cary, NC, USA
based on 63 checklists
This page shows the probability of a species appearing on a checklist at Duke University--Wetland Center 'SWAMP' during the month of 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 | Relative | |
|---|---|---|---|---|---|---|---|---|
| 1 | Northern Cardinal | 80.5% | 92.1% | 11.5% | 1.1x | |||
| 2 | Carolina Wren | 70.2% | 85.7% | 15.5% | 1.2x | |||
| 3 | Red-bellied Woodpecker | 58.8% | 82.5% | 23.8% | 1.4x | |||
| 4 | Tufted Titmouse | 70.0% | 77.8% | 7.7% | 1.1x | |||
| 5 | Blue-gray Gnatcatcher | 62.1% | 77.8% | 15.7% | 1.3x | |||
| 6 | Carolina Chickadee | 66.8% | 76.2% | 9.4% | 1.1x | |||
| 7 | White-throated Sparrow | 56.1% | 71.4% | 15.3% | 1.3x | |||
| 8 | Eastern Towhee | 46.5% | 68.3% | 21.8% | 1.5x | |||
| 9 | Blue Jay | 50.3% | 57.1% | 6.9% | 1.1x | |||
| 10 | Pine Warbler | 42.8% | 57.1% | 14.3% | 1.3x | |||
| 11 | Yellow-rumped Warbler | 47.5% | 55.6% | 8.1% | 1.2x | |||
| 12 | Mourning Dove | 46.3% | 55.6% | 9.2% | 1.2x | |||
| 13 | Mallard | 31.2% | 54.0% | 22.8% | 1.7x | |||
| 14 | Downy Woodpecker | 39.0% | 50.8% | 11.8% | 1.3x | |||
| 15 | Northern Parula | 36.1% | 50.8% | 14.7% | 1.4x | |||
| 16 | Eastern Phoebe | 33.1% | 50.8% | 17.6% | 1.5x | |||
| 17 | Northern Rough-winged Swallow | 30.6% | 47.6% | 17.0% | 1.6x | |||
| 18 | Red-eyed Vireo | 29.5% | 47.6% | 18.1% | 1.6x | |||
| 19 | White-eyed Vireo | 35.9% | 46.0% | 10.1% | 1.3x | |||
| 20 | Canada Goose | 49.4% | 44.4% | 5.0% | 0.9x | |||
| 21 | American Goldfinch | 44.1% | 44.4% | 0.3% | 1.0x | |||
| 22 | Red-shouldered Hawk | 32.5% | 44.4% | 12.0% | 1.4x | |||
| 23 | Brown-headed Nuthatch | 31.4% | 39.7% | 8.2% | 1.3x | |||
| 24 | Ruby-crowned Kinglet | 32.6% | 38.1% | 5.5% | 1.2x | |||
| 25 | American Crow | 56.5% | 36.5% | 20.0% | 0.6x | |||
| 26 | Gray Catbird | 19.6% | 34.9% | 15.3% | 1.8x | |||
| 27 | Great Crested Flycatcher | 19.4% | 34.9% | 15.5% | 1.8x | |||
| 28 | Fish Crow | 35.4% | 31.7% | 3.7% | 0.9x | |||
| 29 | Red-winged Blackbird | 25.7% | 31.7% | 6.1% | 1.2x | |||
| 30 | White-breasted Nuthatch | 22.0% | 31.7% | 9.7% | 1.4x | |||
| 31 | American Robin | 43.1% | 30.2% | 13.0% | 0.7x | |||
| 32 | Killdeer | 16.6% | 30.2% | 13.5% | 1.8x | |||
| 33 | Great Blue Heron | 45.7% | 28.6% | 17.1% | 0.6x | |||
| 34 | Brown-headed Cowbird | 35.5% | 28.6% | 6.9% | 0.8x | |||
| 35 | Common Yellowthroat | 33.1% | 28.6% | 4.5% | 0.9x | |||
| 36 | Solitary Sandpiper | 5.7% | 25.4% | 19.7% | 4.4x | |||
| 37 | Eastern Bluebird | 48.1% | 23.8% | 24.3% | 0.5x | |||
| 38 | Turkey Vulture | 43.5% | 23.8% | 19.7% | 0.5x | |||
| 39 | House Finch | 25.3% | 23.8% | 1.5% | 0.9x | |||
| 40 | Ovenbird | 19.2% | 23.8% | 4.6% | 1.2x | |||
| 41 | Chimney Swift | 13.4% | 22.2% | 8.8% | 1.7x | |||
| 42 | Swamp Sparrow | 13.4% | 22.2% | 8.9% | 1.7x | |||
| 43 | Black-and-white Warbler | 14.3% | 20.6% | 6.3% | 1.4x | |||
| 44 | Black-throated Blue Warbler | 6.5% | 19.0% | 12.5% | 2.9x | |||
| 45 | Common Grackle | 28.1% | 17.5% | 10.6% | 0.6x | |||
| 46 | Brown Thrasher | 20.9% | 17.5% | 3.4% | 0.8x | |||
| 47 | Belted Kingfisher | 19.3% | 17.5% | 1.9% | 0.9x | |||
| 48 | Ruby-throated Hummingbird | 8.5% | 17.5% | 9.0% | 2.1x | |||
| 49 | Pileated Woodpecker | 20.2% | 15.9% | 4.4% | 0.8x | |||
| 50 | Hairy Woodpecker | 8.9% | 15.9% | 7.0% | 1.8x | |||
| 51 | Summer Tanager | 13.8% | 14.3% | 0.4% | 1.0x | |||
| 52 | Indigo Bunting | 11.8% | 14.3% | 2.4% | 1.2x | |||
| 53 | Scarlet Tanager | 4.2% | 14.3% | 10.0% | 3.4x | |||
| 54 | Northern Waterthrush | 3.6% | 14.3% | 10.7% | 4.0x | |||
| 55 | Eastern Kingbird | 12.1% | 12.7% | 0.6% | 1.1x | |||
| 56 | Spotted Sandpiper | 7.7% | 12.7% | 5.0% | 1.6x | |||
| 57 | Northern Mockingbird | 28.8% | 11.1% | 17.7% | 0.4x | |||
| 58 | Northern Flicker | 14.2% | 11.1% | 3.0% | 0.8x | |||
| 59 | Hermit Thrush | 8.6% | 11.1% | 2.5% | 1.3x | |||
| 60 | Prairie Warbler | 8.3% | 9.5% | 1.3% | 1.2x | |||
| 61 | Wood Thrush | 8.1% | 9.5% | 1.5% | 1.2x | |||
| 62 | Green Heron | 7.1% | 9.5% | 2.4% | 1.3x | |||
| 63 | Cedar Waxwing | 6.7% | 9.5% | 2.8% | 1.4x | |||
| 64 | Double-crested Cormorant | 26.8% | 7.9% | 18.8% | 0.3x | |||
| 65 | Song Sparrow | 22.1% | 7.9% | 14.1% | 0.4x | |||
| 66 | Black Vulture | 19.9% | 7.9% | 12.0% | 0.4x | |||
| 67 | House Wren | 10.3% | 7.9% | 2.4% | 0.8x | |||
| 68 | Hooded Warbler | 8.6% | 7.9% | 0.7% | 0.9x | |||
| 69 | Chipping Sparrow | 42.5% | 6.3% | 36.2% | 0.1x | |||
| 70 | Red-headed Woodpecker | 14.1% | 6.3% | 7.7% | 0.5x | |||
| 71 | Louisiana Waterthrush | 10.0% | 6.3% | 3.7% | 0.6x | |||
| 72 | Palm Warbler | 8.7% | 6.3% | 2.3% | 0.7x | |||
| 73 | American Redstart | 8.3% | 6.3% | 2.0% | 0.8x | |||
| 74 | Pine Siskin | 4.5% | 6.3% | 1.9% | 1.4x | |||
| 75 | Blue-headed Vireo | 4.3% | 6.3% | 2.0% | 1.5x | |||
| 76 | European Starling | 21.9% | 4.8% | 17.1% | 0.2x | |||
| 77 | Red-tailed Hawk | 13.9% | 4.8% | 9.2% | 0.3x | |||
| 78 | Wood Duck | 13.9% | 4.8% | 9.1% | 0.3x | |||
| 79 | Prothonotary Warbler | 11.8% | 4.8% | 7.1% | 0.4x | |||
| 80 | Barred Owl | 8.8% | 4.8% | 4.1% | 0.5x | |||
| 81 | Blue Grosbeak | 8.0% | 4.8% | 3.3% | 0.6x | |||
| 82 | Yellow-throated Vireo | 5.1% | 4.8% | 0.3% | 0.9x | |||
| 83 | Worm-eating Warbler | 2.4% | 4.8% | 2.4% | 2.0x | |||
| 84 | crow sp. | 1.6% | 4.8% | 3.2% | 3.0x | |||
| 85 | Rose-breasted Grosbeak | 1.4% | 4.8% | 3.3% | 3.3x | |||
| 86 | Blue-winged Warbler | 1.3% | 4.8% | 3.5% | 3.8x | |||
| 87 | Barn Swallow | 18.9% | 3.2% | 15.8% | 0.2x | |||
| 88 | Yellow-throated Warbler | 18.9% | 3.2% | 15.7% | 0.2x | |||
| 89 | Field Sparrow | 11.8% | 3.2% | 8.6% | 0.3x | |||
| 90 | Orchard Oriole | 6.4% | 3.2% | 3.3% | 0.5x | |||
| 91 | Cooper's Hawk | 3.7% | 3.2% | 0.6% | 0.8x | |||
| 92 | Acadian Flycatcher | 2.5% | 3.2% | 0.7% | 1.3x | |||
| 93 | Veery | 1.5% | 3.2% | 1.7% | 2.1x | |||
| 94 | Yellow-bellied Sapsucker | 1.4% | 3.2% | 1.7% | 2.2x | |||
| 95 | swallow sp. | 1.1% | 3.2% | 2.1% | 2.9x | |||
| 96 | Osprey | 16.8% | 1.6% | 15.2% | 0.1x | |||
| 97 | Purple Martin | 6.0% | 1.6% | 4.4% | 0.3x | |||
| 98 | Hooded Merganser | 2.4% | 1.6% | 0.8% | 0.7x | |||
| 99 | Eastern Wood-Pewee | 1.6% | 1.6% | 0.0% | 1.0x | |||
| 100 | American Bittern | 1.2% | 1.6% | 0.4% | 1.4x | |||
| 101 | Red-breasted Nuthatch | 1.1% | 1.6% | 0.5% | 1.4x | |||
| 102 | Swainson's Thrush | 1.0% | 1.6% | 0.6% | 1.6x | |||
| 103 | Golden-crowned Kinglet | 0.9% | 1.6% | 0.7% | 1.8x | |||
| 104 | Black-throated Green Warbler | 0.6% | 1.6% | 1.0% | 2.7x | |||
| 105 | Chuck-will's-widow | 0.3% | 1.6% | 1.3% | 5.6x | |||
| 106 | Blackburnian Warbler | 0.2% | 1.6% | 1.4% | 8.4x | |||
| 107 | Chestnut-sided Warbler | 0.2% | 1.6% | 1.4% | 9.0x |