Bird Finder

Top Birds at Flat River Waterfowl Impoundment in April
relative to other locations within 25 miles of Cary, NC, USA

based on 217 checklists

This page shows the probability of a species appearing on a checklist at Flat River Waterfowl Impoundment 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   Blue-gray Gnatcatcher 61.7% 93.1% 31.4% 1.5x
2   Common Yellowthroat 32.2% 92.2% 60.0% 2.9x
3   White-eyed Vireo 35.1% 91.7% 56.6% 2.6x
4   Northern Cardinal 80.4% 90.8% 10.3% 1.1x
5   Carolina Chickadee 66.5% 88.0% 21.5% 1.3x
6   White-throated Sparrow 55.7% 86.6% 30.9% 1.6x
7   Great Blue Heron 45.1% 81.6% 36.5% 1.8x
8   Tufted Titmouse 69.9% 80.6% 10.7% 1.2x
9   Northern Parula 35.5% 79.7% 44.3% 2.2x
10   Carolina Wren 70.2% 77.4% 7.2% 1.1x
11   Eastern Towhee 46.1% 77.0% 30.8% 1.7x
12   Eastern Bluebird 47.6% 74.7% 27.0% 1.6x
13   Turkey Vulture 43.0% 73.7% 30.8% 1.7x
14   Blue Jay 50.0% 69.1% 19.1% 1.4x
15   Swamp Sparrow 12.6% 68.2% 55.6% 5.4x
16   Wood Duck 13.0% 66.4% 53.3% 5.1x
17   Red-winged Blackbird 25.1% 63.1% 38.0% 2.5x
18   Brown-headed Cowbird 35.1% 58.5% 23.5% 1.7x
19   American Crow 56.4% 58.1% 1.6% 1.0x
20   Pine Warbler 42.6% 57.6% 15.0% 1.4x
21   Red-bellied Woodpecker 58.9% 56.7% 2.2% 1.0x
22   Red-eyed Vireo 29.2% 56.7% 27.5% 1.9x
23   Red-shouldered Hawk 32.2% 53.9% 21.7% 1.7x
24   Black Vulture 19.3% 53.5% 34.1% 2.8x
25   Downy Woodpecker 38.8% 52.5% 13.7% 1.4x
26   Ruby-crowned Kinglet 32.4% 49.8% 17.4% 1.5x
27   Mourning Dove 46.3% 49.3% 3.0% 1.1x
28   Field Sparrow 11.2% 49.3% 38.2% 4.4x
29   Canada Goose 49.4% 48.8% 0.6% 1.0x
30   Yellow-throated Warbler 18.4% 47.9% 29.5% 2.6x
31   American Goldfinch 44.1% 47.0% 2.9% 1.1x
32   Chipping Sparrow 42.3% 43.3% 1.0% 1.0x
33   Prothonotary Warbler 11.3% 42.4% 31.1% 3.7x
34   Barred Owl 8.3% 40.6% 32.2% 4.9x
35   Bald Eagle 11.4% 39.6% 28.2% 3.5x
36   Yellow-rumped Warbler 47.7% 37.3% 10.4% 0.8x
37   Common Grackle 27.9% 36.4% 8.5% 1.3x
38   Prairie Warbler 7.8% 35.9% 28.1% 4.6x
39   Mallard 31.2% 34.6% 3.4% 1.1x
40   Red-headed Woodpecker 13.7% 34.6% 20.8% 2.5x
41   Indigo Bunting 11.5% 34.6% 23.1% 3.0x
42   Belted Kingfisher 19.1% 33.2% 14.1% 1.7x
43   Osprey 16.4% 33.2% 16.7% 2.0x
44   Ovenbird 19.1% 31.8% 12.7% 1.7x
45   Brown Thrasher 20.7% 30.9% 10.1% 1.5x
46   Blue Grosbeak 7.7% 30.4% 22.7% 4.0x
47   Pileated Woodpecker 20.1% 30.0% 9.9% 1.5x
48   Gray Catbird 19.5% 30.0% 10.5% 1.5x
49   Chimney Swift 13.2% 30.0% 16.8% 2.3x
50   House Wren 10.0% 28.6% 18.5% 2.8x
51   Fish Crow 35.5% 27.6% 7.9% 0.8x
52   Song Sparrow 21.9% 25.3% 3.4% 1.2x
53   Summer Tanager 13.7% 24.9% 11.2% 1.8x
54   Palm Warbler 8.4% 24.0% 15.5% 2.8x
55   Brown-headed Nuthatch 31.6% 23.5% 8.1% 0.7x
56   Red-tailed Hawk 13.7% 23.0% 9.3% 1.7x
57   Barn Swallow 18.8% 21.2% 2.4% 1.1x
58   Orchard Oriole 6.2% 21.2% 15.0% 3.4x
59   Ruby-throated Hummingbird 8.4% 20.3% 11.9% 2.4x
60   Yellow-breasted Chat 2.3% 19.8% 17.5% 8.5x
61   Blue-winged Teal 2.2% 19.4% 17.1% 8.7x
62   Great Egret 2.4% 18.9% 16.4% 7.7x
63   Northern Flicker 14.1% 18.4% 4.4% 1.3x
64   Green Heron 6.9% 18.0% 11.1% 2.6x
65   Northern Waterthrush 3.4% 18.0% 14.5% 5.2x
66   Northern Mockingbird 28.9% 17.5% 11.4% 0.6x
67   Wild Turkey 1.5% 17.1% 15.6% 11.5x
68   American Robin 43.5% 16.1% 27.3% 0.4x
69   Hooded Warbler 8.5% 16.1% 7.6% 1.9x
70   Black-and-white Warbler 14.3% 15.7% 1.3% 1.1x
71   Northern Rough-winged Swallow 30.9% 15.2% 15.7% 0.5x
72   Yellow-throated Vireo 4.9% 15.2% 10.3% 3.1x
73   Eastern Kingbird 12.0% 14.7% 2.7% 1.2x
74   American Bittern 0.9% 14.7% 13.8% 15.6x
75   Louisiana Waterthrush 10.0% 13.8% 3.9% 1.4x
76   Savannah Sparrow 3.8% 13.8% 10.0% 3.6x
77   Double-crested Cormorant 26.9% 12.9% 14.0% 0.5x
78   Eastern Phoebe 33.5% 12.4% 21.1% 0.4x
79   Wood Thrush 8.0% 12.4% 4.4% 1.6x
80   Hairy Woodpecker 8.9% 12.0% 3.1% 1.4x
81   Great Crested Flycatcher 19.6% 11.5% 8.1% 0.6x
82   White-breasted Nuthatch 22.3% 10.1% 12.1% 0.5x
83   Hermit Thrush 8.6% 9.7% 1.1% 1.1x
84   Eastern Meadowlark 6.4% 9.7% 3.3% 1.5x
85   Sedge Wren 0.0% 9.2% 9.2% 259.2x
86   Blue-headed Vireo 4.3% 8.8% 4.5% 2.1x
87   Yellow-billed Cuckoo 1.1% 8.8% 7.7% 8.2x
88   Tree Swallow 11.8% 8.3% 3.5% 0.7x
89   American Redstart 8.4% 7.4% 1.0% 0.9x
90   Cooper's Hawk 3.7% 7.4% 3.7% 2.0x
91   Rusty Blackbird 0.8% 7.4% 6.5% 8.8x
92   Solitary Sandpiper 5.8% 6.9% 1.1% 1.2x
93   Winter Wren 1.3% 6.5% 5.2% 5.1x
94   Marsh Wren 0.1% 6.5% 6.3% 53.4x
95   Killdeer 16.9% 6.0% 10.9% 0.4x
96   Virginia Rail 0.1% 6.0% 5.9% 76.6x
97   Yellow Warbler 2.6% 4.6% 2.0% 1.8x
98   Ring-necked Duck 0.4% 4.6% 4.2% 12.5x
99   European Starling 22.1% 4.1% 17.9% 0.2x
100   Scarlet Tanager 4.3% 4.1% 0.1% 1.0x
101   Pied-billed Grebe 2.6% 4.1% 1.6% 1.6x
102   Hooded Merganser 2.3% 4.1% 1.8% 1.8x
103   Sharp-shinned Hawk 1.1% 4.1% 3.1% 3.9x
104   American Woodcock 0.1% 4.1% 4.1% 53.0x
105   Black-throated Blue Warbler 6.6% 3.7% 2.9% 0.6x
106   House Finch 25.6% 3.2% 22.4% 0.1x
107   Purple Martin 6.0% 3.2% 2.8% 0.5x
108   Cliff Swallow 3.3% 3.2% 0.0% 1.0x
109   Eastern Wood-Pewee 1.6% 3.2% 1.6% 2.0x
110   Wilson's Snipe 1.0% 3.2% 2.2% 3.2x
111   duck sp. 0.7% 3.2% 2.5% 4.6x
112   Spotted Sandpiper 7.8% 2.8% 5.1% 0.4x
113   Acadian Flycatcher 2.5% 2.8% 0.3% 1.1x
114   American Kestrel 1.1% 2.8% 1.7% 2.5x
115   Cedar Waxwing 6.8% 2.3% 4.5% 0.3x
116   Dark-eyed Junco 4.7% 2.3% 2.4% 0.5x
117   Yellow-bellied Sapsucker 1.4% 2.3% 0.9% 1.6x
118   Broad-winged Hawk 0.9% 2.3% 1.4% 2.6x
119   warbler sp. (Parulidae sp.) 0.4% 2.3% 1.9% 5.2x
120   Orange-crowned Warbler 0.3% 2.3% 2.0% 6.9x
121   Rock Pigeon 5.8% 1.8% 4.0% 0.3x
122   Pine Siskin 4.5% 1.8% 2.7% 0.4x
123   crow sp. 1.6% 1.4% 0.2% 0.9x
124   Rose-breasted Grosbeak 1.5% 1.4% 0.1% 1.0x
125   Lesser Yellowlegs 1.3% 1.4% 0.1% 1.1x
126   Great Horned Owl 0.9% 1.4% 0.5% 1.5x
127   Purple Finch 0.8% 1.4% 0.6% 1.8x
128   Greater Yellowlegs 0.7% 1.4% 0.7% 2.0x
129   Merlin 0.3% 1.4% 1.1% 5.3x
130   Accipiter sp. 0.2% 1.4% 1.2% 6.9x
131   Black-crowned Night-Heron 0.1% 1.4% 1.3% 17.7x
132   Ring-billed Gull 7.6% 0.9% 6.7% 0.1x
133   Worm-eating Warbler 2.4% 0.9% 1.5% 0.4x
134   Veery 1.5% 0.9% 0.6% 0.6x
135   Blue-winged Warbler 1.3% 0.9% 0.4% 0.7x
136   Grasshopper Sparrow 1.2% 0.9% 0.3% 0.8x
137   swallow sp. 1.1% 0.9% 0.2% 0.8x
138   Golden-crowned Kinglet 0.9% 0.9% 0.0% 1.0x
139   Common Loon 0.6% 0.9% 0.3% 1.5x
140   hawk sp. 0.5% 0.9% 0.4% 1.7x
141   blackbird sp. 0.2% 0.9% 0.8% 5.6x
142   Mississippi Kite 0.1% 0.9% 0.8% 8.6x
143   Bobolink 1.5% 0.5% 1.1% 0.3x
144   Red-breasted Nuthatch 1.1% 0.5% 0.6% 0.4x
145   American Coot 1.1% 0.5% 0.6% 0.4x
146   Swainson's Thrush 1.0% 0.5% 0.5% 0.5x
147   Baltimore Oriole 0.6% 0.5% 0.1% 0.8x
148   Green-winged Teal 0.5% 0.5% 0.0% 1.0x
149   Cape May Warbler 0.5% 0.5% 0.0% 1.0x
150   Brown Creeper 0.4% 0.5% 0.1% 1.2x
151   Yellow-crowned Night-Heron 0.4% 0.5% 0.1% 1.2x
152   Bank Swallow 0.4% 0.5% 0.1% 1.3x
153   Vesper Sparrow 0.3% 0.5% 0.1% 1.4x
154   Downy/Hairy Woodpecker 0.3% 0.5% 0.2% 1.5x
155   American Pipit 0.2% 0.5% 0.3% 2.4x
156   Gadwall 0.1% 0.5% 0.3% 3.2x
157   Northern Bobwhite 0.1% 0.5% 0.4% 4.6x
158   Anhinga 0.1% 0.5% 0.4% 4.6x
159   new world vulture sp. 0.1% 0.5% 0.4% 5.0x
160   Sora 0.1% 0.5% 0.4% 5.9x
161   shorebird sp. 0.0% 0.5% 0.4% 10.8x
162   Red Crossbill 0% 0.5% 0.5%
163   Northern Saw-whet Owl 0% 0.5% 0.5%