Bird Finder

Top Birds at Glennstone/Heron Rookery in April
relative to other locations within 25 miles of Cary, NC, USA

based on 28 checklists

This page shows the probability of a species appearing on a checklist at Glennstone/Heron Rookery 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 80.6% 96.4% 15.9% 1.2x
2   Tufted Titmouse 70.0% 85.7% 15.7% 1.2x
3   Great Blue Heron 45.5% 85.7% 40.2% 1.9x
4   Canada Goose 49.3% 82.1% 32.8% 1.7x
5   Carolina Chickadee 66.8% 78.6% 11.7% 1.2x
6   Blue Jay 50.3% 75.0% 24.7% 1.5x
7   Carolina Wren 70.3% 67.9% 2.4% 1.0x
8   Eastern Bluebird 48.0% 67.9% 19.9% 1.4x
9   Blue-gray Gnatcatcher 62.2% 64.3% 2.1% 1.0x
10   Turkey Vulture 43.4% 64.3% 20.9% 1.5x
11   Great Egret 2.6% 64.3% 61.7% 25.0x
12   Downy Woodpecker 39.0% 60.7% 21.7% 1.6x
13   Common Yellowthroat 33.0% 60.7% 27.7% 1.8x
14   Northern Mockingbird 28.7% 60.7% 32.0% 2.1x
15   Red-bellied Woodpecker 58.9% 57.1% 1.7% 1.0x
16   American Crow 56.4% 57.1% 0.7% 1.0x
17   Mourning Dove 46.3% 57.1% 10.8% 1.2x
18   American Goldfinch 44.1% 57.1% 13.0% 1.3x
19   Pine Warbler 42.8% 57.1% 14.3% 1.3x
20   White-throated Sparrow 56.2% 53.6% 2.6% 1.0x
21   Black Vulture 19.8% 53.6% 33.8% 2.7x
22   Yellow-throated Warbler 18.8% 53.6% 34.8% 2.9x
23   Eastern Towhee 46.6% 50.0% 3.4% 1.1x
24   Red-shouldered Hawk 32.5% 50.0% 17.5% 1.5x
25   Chipping Sparrow 42.3% 46.4% 4.1% 1.1x
26   Northern Parula 36.1% 46.4% 10.3% 1.3x
27   House Finch 25.2% 46.4% 21.2% 1.8x
28   Brown-headed Cowbird 35.4% 42.9% 7.4% 1.2x
29   American Robin 43.1% 39.3% 3.8% 0.9x
30   Great Crested Flycatcher 19.5% 39.3% 19.8% 2.0x
31   Yellow-rumped Warbler 47.6% 35.7% 11.8% 0.8x
32   European Starling 21.8% 35.7% 13.9% 1.6x
33   Brown Thrasher 20.9% 35.7% 14.9% 1.7x
34   White-eyed Vireo 36.0% 32.1% 3.8% 0.9x
35   Ruby-crowned Kinglet 32.6% 32.1% 0.5% 1.0x
36   Brown-headed Nuthatch 31.5% 32.1% 0.7% 1.0x
37   Mallard 31.3% 32.1% 0.9% 1.0x
38   Northern Rough-winged Swallow 30.7% 32.1% 1.5% 1.0x
39   Red-eyed Vireo 29.6% 32.1% 2.5% 1.1x
40   Red-winged Blackbird 25.7% 32.1% 6.5% 1.3x
41   Red-tailed Hawk 13.8% 32.1% 18.3% 2.3x
42   Common Grackle 28.0% 28.6% 0.6% 1.0x
43   Ovenbird 19.2% 28.6% 9.3% 1.5x
44   Hooded Warbler 8.6% 28.6% 20.0% 3.3x
45   Fish Crow 35.4% 25.0% 10.4% 0.7x
46   Wood Duck 13.8% 25.0% 11.2% 1.8x
47   Eastern Phoebe 33.2% 21.4% 11.8% 0.6x
48   Killdeer 16.7% 21.4% 4.7% 1.3x
49   Northern Flicker 14.1% 21.4% 7.3% 1.5x
50   White-breasted Nuthatch 22.1% 17.9% 4.2% 0.8x
51   Pileated Woodpecker 20.2% 17.9% 2.4% 0.9x
52   Belted Kingfisher 19.3% 17.9% 1.5% 0.9x
53   Black-and-white Warbler 14.3% 17.9% 3.5% 1.2x
54   Swamp Sparrow 13.4% 17.9% 4.5% 1.3x
55   Barred Owl 8.8% 17.9% 9.1% 2.0x
56   Ruby-throated Hummingbird 8.5% 17.9% 9.3% 2.1x
57   Dark-eyed Junco 4.7% 17.9% 13.2% 3.8x
58   Gray Catbird 19.7% 14.3% 5.4% 0.7x
59   Summer Tanager 13.8% 14.3% 0.4% 1.0x
60   Red-headed Woodpecker 14.1% 10.7% 3.3% 0.8x
61   Indigo Bunting 11.9% 10.7% 1.1% 0.9x
62   Prothonotary Warbler 11.8% 10.7% 1.1% 0.9x
63   Wood Thrush 8.1% 10.7% 2.7% 1.3x
64   Acadian Flycatcher 2.5% 10.7% 8.2% 4.3x
65   Double-crested Cormorant 26.7% 7.1% 19.6% 0.3x
66   Song Sparrow 22.0% 7.1% 14.9% 0.3x
67   Bald Eagle 11.8% 7.1% 4.7% 0.6x
68   Prairie Warbler 8.3% 7.1% 1.1% 0.9x
69   Green Heron 7.1% 7.1% 0.1% 1.0x
70   Purple Martin 6.0% 7.1% 1.2% 1.2x
71   Yellow-throated Vireo 5.1% 7.1% 2.1% 1.4x
72   Cooper's Hawk 3.7% 7.1% 3.4% 1.9x
73   Chimney Swift 13.4% 3.6% 9.9% 0.3x
74   Tree Swallow 11.7% 3.6% 8.2% 0.3x
75   House Wren 10.3% 3.6% 6.8% 0.3x
76   Louisiana Waterthrush 10.0% 3.6% 6.5% 0.4x
77   Hairy Woodpecker 8.9% 3.6% 5.3% 0.4x
78   Hermit Thrush 8.6% 3.6% 5.0% 0.4x
79   Blue Grosbeak 8.0% 3.6% 4.4% 0.4x
80   Cedar Waxwing 6.8% 3.6% 3.2% 0.5x
81   Black-throated Blue Warbler 6.6% 3.6% 3.0% 0.5x
82   Solitary Sandpiper 5.8% 3.6% 2.3% 0.6x
83   Blue-headed Vireo 4.3% 3.6% 0.8% 0.8x
84   Scarlet Tanager 4.3% 3.6% 0.7% 0.8x
85   Northern Waterthrush 3.7% 3.6% 0.1% 1.0x
86   Yellow Warbler 2.7% 3.6% 0.9% 1.3x
87   Hooded Merganser 2.4% 3.6% 1.2% 1.5x
88   crow sp. 1.6% 3.6% 2.0% 2.2x
89   Rose-breasted Grosbeak 1.4% 3.6% 2.1% 2.5x
90   Yellow-billed Cuckoo 1.2% 3.6% 2.4% 3.0x
91   American Bittern 1.2% 3.6% 2.4% 3.1x
92   Red-breasted Nuthatch 1.1% 3.6% 2.5% 3.3x
93   Swainson's Thrush 1.0% 3.6% 2.6% 3.7x
94   Broad-winged Hawk 0.9% 3.6% 2.7% 4.0x
95   Downy/Hairy Woodpecker 0.3% 3.6% 3.3% 11.8x
96   Marsh Wren 0.2% 3.6% 3.4% 17.0x