Bird Finder

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 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.

Back to the Top Birds list

Rank Info Pics Species Entire Region This Location Difference Relative
1   Northern Cardinal 80.5% 77.8% 2.7% 1.0x
2   Eastern Bluebird 48.6% 55.6% 7.0% 1.1x
3   American Goldfinch 45.3% 55.6% 10.2% 1.2x
4   Common Yellowthroat 33.1% 55.6% 22.5% 1.7x
5   Blue-gray Gnatcatcher 62.2% 44.4% 17.8% 0.7x
6   Blue Jay 50.1% 44.4% 5.7% 0.9x
7   Great Blue Heron 44.4% 44.4% 0.0% 1.0x
8   Chipping Sparrow 43.4% 44.4% 1.0% 1.0x
9   Turkey Vulture 42.8% 44.4% 1.6% 1.0x
10   American Robin 42.3% 44.4% 2.1% 1.1x
11   Red-winged Blackbird 25.9% 44.4% 18.5% 1.7x
12   Brown Thrasher 20.8% 44.4% 23.7% 2.1x
13   Carolina Wren 70.7% 33.3% 37.3% 0.5x
14   Red-bellied Woodpecker 58.4% 33.3% 25.1% 0.6x
15   Northern Parula 35.9% 33.3% 2.6% 0.9x
16   Mallard 30.0% 33.3% 3.3% 1.1x
17   Song Sparrow 22.5% 33.3% 10.8% 1.5x
18   Yellow-throated Warbler 19.7% 33.3% 13.6% 1.7x
19   Tufted Titmouse 69.7% 22.2% 47.5% 0.3x
20   American Crow 56.6% 22.2% 34.4% 0.4x
21   Canada Goose 48.9% 22.2% 26.7% 0.5x
22   Yellow-rumped Warbler 46.5% 22.2% 24.3% 0.5x
23   Eastern Towhee 46.3% 22.2% 24.1% 0.5x
24   Downy Woodpecker 39.1% 22.2% 16.9% 0.6x
25   White-eyed Vireo 37.6% 22.2% 15.3% 0.6x
26   Brown-headed Cowbird 35.7% 22.2% 13.5% 0.6x
27   Brown-headed Nuthatch 31.8% 22.2% 9.5% 0.7x
28   Northern Mockingbird 28.1% 22.2% 5.9% 0.8x
29   Common Grackle 27.1% 22.2% 4.9% 0.8x
30   Black Vulture 20.0% 22.2% 2.3% 1.1x
31   Pileated Woodpecker 19.8% 22.2% 2.4% 1.1x
32   Swamp Sparrow 13.4% 22.2% 8.8% 1.7x
33   Red-tailed Hawk 13.4% 22.2% 8.8% 1.7x
34   Carolina Chickadee 66.3% 11.1% 55.2% 0.2x
35   White-throated Sparrow 56.9% 11.1% 45.8% 0.2x
36   Mourning Dove 46.2% 11.1% 35.1% 0.2x
37   Pine Warbler 43.4% 11.1% 32.3% 0.3x
38   Eastern Phoebe 34.2% 11.1% 23.1% 0.3x
39   Ruby-crowned Kinglet 32.9% 11.1% 21.8% 0.3x
40   Red-eyed Vireo 29.9% 11.1% 18.8% 0.4x
41   White-breasted Nuthatch 22.4% 11.1% 11.3% 0.5x
42   Great Crested Flycatcher 19.9% 11.1% 8.8% 0.6x
43   Barn Swallow 19.1% 11.1% 8.0% 0.6x
44   Ovenbird 18.9% 11.1% 7.8% 0.6x
45   Gray Catbird 18.8% 11.1% 7.7% 0.6x
46   Belted Kingfisher 18.4% 11.1% 7.3% 0.6x
47   Northern Flicker 13.9% 11.1% 2.8% 0.8x
48   Tree Swallow 12.2% 11.1% 1.1% 0.9x
49   Palm Warbler 8.5% 11.1% 2.6% 1.3x
50   Hermit Thrush 8.2% 11.1% 2.9% 1.4x
51   Green Heron 6.9% 11.1% 4.3% 1.6x
52   Blue-headed Vireo 4.3% 11.1% 6.8% 2.6x
53   Wild Turkey 1.8% 11.1% 9.3% 6.3x
54   Orange-crowned Warbler 0.3% 11.1% 10.8% 33.1x