Top Birds at Erwin Road Swamp in April
relative to other locations within 25 miles of Cary, NC, USA
based on 9 checklists
This page shows the probability of a species appearing on a checklist at Erwin Road 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 | 80.6% | 77.8% | 2.8% | 1.0x | |||
| 2 | Eastern Bluebird | 48.0% | 55.6% | 7.5% | 1.2x | |||
| 3 | American Goldfinch | 44.1% | 55.6% | 11.4% | 1.3x | |||
| 4 | Common Yellowthroat | 33.1% | 55.6% | 22.5% | 1.7x | |||
| 5 | Blue-gray Gnatcatcher | 62.2% | 44.4% | 17.7% | 0.7x | |||
| 6 | Blue Jay | 50.3% | 44.4% | 5.9% | 0.9x | |||
| 7 | Great Blue Heron | 45.6% | 44.4% | 1.2% | 1.0x | |||
| 8 | Turkey Vulture | 43.4% | 44.4% | 1.0% | 1.0x | |||
| 9 | American Robin | 43.1% | 44.4% | 1.4% | 1.0x | |||
| 10 | Chipping Sparrow | 42.3% | 44.4% | 2.1% | 1.0x | |||
| 11 | Red-winged Blackbird | 25.7% | 44.4% | 18.8% | 1.7x | |||
| 12 | Brown Thrasher | 20.9% | 44.4% | 23.6% | 2.1x | |||
| 13 | Carolina Wren | 70.3% | 33.3% | 37.0% | 0.5x | |||
| 14 | Red-bellied Woodpecker | 58.9% | 33.3% | 25.6% | 0.6x | |||
| 15 | Northern Parula | 36.1% | 33.3% | 2.8% | 0.9x | |||
| 16 | Mallard | 31.3% | 33.3% | 2.1% | 1.1x | |||
| 17 | Song Sparrow | 22.0% | 33.3% | 11.4% | 1.5x | |||
| 18 | Yellow-throated Warbler | 18.8% | 33.3% | 14.5% | 1.8x | |||
| 19 | Tufted Titmouse | 70.1% | 22.2% | 47.9% | 0.3x | |||
| 20 | American Crow | 56.5% | 22.2% | 34.2% | 0.4x | |||
| 21 | Canada Goose | 49.4% | 22.2% | 27.2% | 0.4x | |||
| 22 | Yellow-rumped Warbler | 47.6% | 22.2% | 25.3% | 0.5x | |||
| 23 | Eastern Towhee | 46.6% | 22.2% | 24.4% | 0.5x | |||
| 24 | Downy Woodpecker | 39.1% | 22.2% | 16.8% | 0.6x | |||
| 25 | White-eyed Vireo | 36.0% | 22.2% | 13.7% | 0.6x | |||
| 26 | Brown-headed Cowbird | 35.4% | 22.2% | 13.2% | 0.6x | |||
| 27 | Brown-headed Nuthatch | 31.5% | 22.2% | 9.3% | 0.7x | |||
| 28 | Northern Mockingbird | 28.8% | 22.2% | 6.5% | 0.8x | |||
| 29 | Common Grackle | 28.0% | 22.2% | 5.8% | 0.8x | |||
| 30 | Pileated Woodpecker | 20.2% | 22.2% | 2.0% | 1.1x | |||
| 31 | Black Vulture | 19.9% | 22.2% | 2.4% | 1.1x | |||
| 32 | Red-tailed Hawk | 13.9% | 22.2% | 8.3% | 1.6x | |||
| 33 | Swamp Sparrow | 13.4% | 22.2% | 8.8% | 1.7x | |||
| 34 | Carolina Chickadee | 66.9% | 11.1% | 55.8% | 0.2x | |||
| 35 | White-throated Sparrow | 56.2% | 11.1% | 45.1% | 0.2x | |||
| 36 | Mourning Dove | 46.4% | 11.1% | 35.3% | 0.2x | |||
| 37 | Pine Warbler | 42.9% | 11.1% | 31.8% | 0.3x | |||
| 38 | Eastern Phoebe | 33.2% | 11.1% | 22.1% | 0.3x | |||
| 39 | Ruby-crowned Kinglet | 32.6% | 11.1% | 21.5% | 0.3x | |||
| 40 | Red-eyed Vireo | 29.6% | 11.1% | 18.5% | 0.4x | |||
| 41 | White-breasted Nuthatch | 22.1% | 11.1% | 11.0% | 0.5x | |||
| 42 | Gray Catbird | 19.6% | 11.1% | 8.5% | 0.6x | |||
| 43 | Great Crested Flycatcher | 19.5% | 11.1% | 8.4% | 0.6x | |||
| 44 | Belted Kingfisher | 19.3% | 11.1% | 8.2% | 0.6x | |||
| 45 | Ovenbird | 19.3% | 11.1% | 8.2% | 0.6x | |||
| 46 | Barn Swallow | 18.9% | 11.1% | 7.8% | 0.6x | |||
| 47 | Northern Flicker | 14.1% | 11.1% | 3.0% | 0.8x | |||
| 48 | Tree Swallow | 11.7% | 11.1% | 0.6% | 0.9x | |||
| 49 | Palm Warbler | 8.7% | 11.1% | 2.4% | 1.3x | |||
| 50 | Hermit Thrush | 8.6% | 11.1% | 2.5% | 1.3x | |||
| 51 | Green Heron | 7.1% | 11.1% | 4.0% | 1.6x | |||
| 52 | Blue-headed Vireo | 4.3% | 11.1% | 6.8% | 2.6x | |||
| 53 | Wild Turkey | 1.7% | 11.1% | 9.4% | 6.5x | |||
| 54 | Orange-crowned Warbler | 0.4% | 11.1% | 10.8% | 31.1x |