Bird Finder

Top Birds at Duke University--Wetland Center 'SWAMP' in April
relative to other locations within 25 miles of Cary, NC, USA

based on 68 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.

Back to the Top Birds list

Rank Info Pics Species Entire Region This Location Difference Relative
1   Northern Cardinal 80.4% 92.6% 12.2% 1.2x
2   Carolina Wren 70.6% 85.3% 14.7% 1.2x
3   Red-bellied Woodpecker 58.3% 82.4% 24.0% 1.4x
4   Tufted Titmouse 69.7% 77.9% 8.3% 1.1x
5   Carolina Chickadee 66.2% 75.0% 8.8% 1.1x
6   Blue-gray Gnatcatcher 62.2% 73.5% 11.4% 1.2x
7   White-throated Sparrow 56.8% 72.1% 15.3% 1.3x
8   Eastern Towhee 46.2% 70.6% 24.4% 1.5x
9   Blue Jay 50.1% 55.9% 5.8% 1.1x
10   Mourning Dove 46.2% 54.4% 8.2% 1.2x
11   Pine Warbler 43.3% 54.4% 11.1% 1.3x
12   Yellow-rumped Warbler 46.5% 52.9% 6.5% 1.1x
13   Northern Parula 35.8% 51.5% 15.6% 1.4x
14   Eastern Phoebe 34.1% 51.5% 17.3% 1.5x
15   Mallard 29.9% 51.5% 21.5% 1.7x
16   Downy Woodpecker 39.1% 48.5% 9.4% 1.2x
17   Canada Goose 48.9% 45.6% 3.3% 0.9x
18   White-eyed Vireo 37.5% 45.6% 8.1% 1.2x
19   Red-eyed Vireo 29.8% 45.6% 15.8% 1.5x
20   Northern Rough-winged Swallow 29.6% 45.6% 16.0% 1.5x
21   American Goldfinch 45.3% 44.1% 1.2% 1.0x
22   Red-shouldered Hawk 32.6% 41.2% 8.6% 1.3x
23   Brown-headed Nuthatch 31.7% 38.2% 6.5% 1.2x
24   Ruby-crowned Kinglet 32.9% 35.3% 2.4% 1.1x
25   Great Crested Flycatcher 19.9% 35.3% 15.4% 1.8x
26   American Crow 56.7% 33.8% 22.8% 0.6x
27   Fish Crow 35.9% 33.8% 2.1% 0.9x
28   White-breasted Nuthatch 22.3% 33.8% 11.5% 1.5x
29   Gray Catbird 18.8% 32.4% 13.6% 1.7x
30   American Robin 42.4% 30.9% 11.5% 0.7x
31   Red-winged Blackbird 25.9% 30.9% 5.0% 1.2x
32   Great Blue Heron 44.5% 29.4% 15.1% 0.7x
33   Killdeer 16.4% 29.4% 13.0% 1.8x
34   Brown-headed Cowbird 35.8% 27.9% 7.8% 0.8x
35   Common Yellowthroat 33.1% 26.5% 6.6% 0.8x
36   Solitary Sandpiper 5.5% 26.5% 21.0% 4.8x
37   Ovenbird 18.9% 23.5% 4.6% 1.2x
38   Eastern Bluebird 48.7% 22.1% 26.7% 0.5x
39   Turkey Vulture 42.9% 22.1% 20.8% 0.5x
40   House Finch 25.7% 22.1% 3.7% 0.9x
41   Chimney Swift 13.6% 20.6% 7.0% 1.5x
42   Swamp Sparrow 13.4% 20.6% 7.2% 1.5x
43   Black-and-white Warbler 14.1% 19.1% 5.0% 1.4x
44   Common Grackle 27.1% 17.6% 9.5% 0.7x
45   Hairy Woodpecker 9.0% 17.6% 8.6% 2.0x
46   Black-throated Blue Warbler 6.2% 17.6% 11.5% 2.9x
47   Brown Thrasher 20.8% 16.2% 4.6% 0.8x
48   Pileated Woodpecker 19.9% 16.2% 3.7% 0.8x
49   Belted Kingfisher 18.4% 16.2% 2.2% 0.9x
50   Ruby-throated Hummingbird 8.7% 16.2% 7.5% 1.9x
51   Summer Tanager 13.9% 13.2% 0.7% 1.0x
52   Indigo Bunting 12.5% 13.2% 0.8% 1.1x
53   Scarlet Tanager 4.4% 13.2% 8.9% 3.0x
54   Northern Waterthrush 3.4% 13.2% 9.8% 3.9x
55   Northern Mockingbird 28.2% 11.8% 16.4% 0.4x
56   Eastern Kingbird 11.9% 11.8% 0.1% 1.0x
57   Spotted Sandpiper 7.4% 11.8% 4.4% 1.6x
58   Northern Flicker 13.9% 10.3% 3.6% 0.7x
59   Hermit Thrush 8.2% 10.3% 2.1% 1.3x
60   Green Heron 6.8% 10.3% 3.5% 1.5x
61   Wood Thrush 8.1% 8.8% 0.7% 1.1x
62   Prairie Warbler 7.9% 8.8% 0.9% 1.1x
63   Cedar Waxwing 6.2% 8.8% 2.6% 1.4x
64   Chipping Sparrow 43.6% 7.4% 36.2% 0.2x
65   Double-crested Cormorant 26.6% 7.4% 19.2% 0.3x
66   Song Sparrow 22.6% 7.4% 15.3% 0.3x
67   Black Vulture 20.0% 7.4% 12.7% 0.4x
68   House Wren 10.4% 7.4% 3.1% 0.7x
69   Hooded Warbler 9.1% 7.4% 1.7% 0.8x
70   Blue-headed Vireo 4.3% 7.4% 3.1% 1.7x
71   Red-headed Woodpecker 14.2% 5.9% 8.3% 0.4x
72   Louisiana Waterthrush 10.3% 5.9% 4.4% 0.6x
73   American Redstart 8.7% 5.9% 2.9% 0.7x
74   Palm Warbler 8.6% 5.9% 2.7% 0.7x
75   Pine Siskin 3.8% 5.9% 2.1% 1.6x
76   Worm-eating Warbler 2.3% 5.9% 3.6% 2.6x
77   European Starling 21.3% 4.4% 16.9% 0.2x
78   Wood Duck 13.4% 4.4% 9.0% 0.3x
79   Red-tailed Hawk 13.4% 4.4% 9.0% 0.3x
80   Prothonotary Warbler 12.0% 4.4% 7.6% 0.4x
81   Barred Owl 8.8% 4.4% 4.3% 0.5x
82   Blue Grosbeak 8.6% 4.4% 4.2% 0.5x
83   Yellow-throated Vireo 5.6% 4.4% 1.2% 0.8x
84   Rose-breasted Grosbeak 1.4% 4.4% 3.0% 3.2x
85   crow sp. 1.3% 4.4% 3.1% 3.3x
86   Blue-winged Warbler 1.1% 4.4% 3.3% 3.9x
87   Yellow-throated Warbler 19.8% 2.9% 16.8% 0.1x
88   Barn Swallow 19.2% 2.9% 16.3% 0.2x
89   Field Sparrow 11.7% 2.9% 8.8% 0.3x
90   Orchard Oriole 6.6% 2.9% 3.7% 0.4x
91   Cooper's Hawk 3.9% 2.9% 1.0% 0.8x
92   Acadian Flycatcher 2.3% 2.9% 0.7% 1.3x
93   Hooded Merganser 2.2% 2.9% 0.7% 1.3x
94   Veery 1.4% 2.9% 1.5% 2.1x
95   Yellow-bellied Sapsucker 1.4% 2.9% 1.6% 2.2x
96   swallow sp. 1.0% 2.9% 1.9% 2.8x
97   Osprey 16.9% 1.5% 15.5% 0.1x
98   Purple Martin 6.3% 1.5% 4.8% 0.2x
99   Eastern Wood-Pewee 1.5% 1.5% 0.0% 1.0x
100   Red-breasted Nuthatch 1.0% 1.5% 0.4% 1.4x
101   American Bittern 1.0% 1.5% 0.5% 1.5x
102   Swainson's Thrush 0.9% 1.5% 0.6% 1.7x
103   Golden-crowned Kinglet 0.8% 1.5% 0.6% 1.8x
104   Black-throated Green Warbler 0.6% 1.5% 0.9% 2.4x
105   Chuck-will's-widow 0.3% 1.5% 1.2% 5.3x
106   Blackburnian Warbler 0.2% 1.5% 1.3% 8.0x
107   Chestnut-sided Warbler 0.1% 1.5% 1.3% 10.0x