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 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.

Back to the Top Birds list

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