Bird Finder

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

based on 29 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 80.4% 96.6% 16.1% 1.2x
2   Tufted Titmouse 69.7% 86.2% 16.5% 1.2x
3   Great Blue Heron 44.4% 86.2% 41.8% 1.9x
4   Canada Goose 48.9% 82.8% 33.9% 1.7x
5   Carolina Chickadee 66.2% 79.3% 13.1% 1.2x
6   Blue Jay 50.1% 72.4% 22.3% 1.4x
7   Carolina Wren 70.7% 69.0% 1.7% 1.0x
8   Eastern Bluebird 48.6% 65.5% 16.9% 1.3x
9   Great Egret 2.4% 65.5% 63.1% 26.9x
10   Blue-gray Gnatcatcher 62.2% 62.1% 0.2% 1.0x
11   Turkey Vulture 42.8% 62.1% 19.3% 1.5x
12   Northern Mockingbird 28.1% 62.1% 34.0% 2.2x
13   Mourning Dove 46.2% 58.6% 12.4% 1.3x
14   Pine Warbler 43.3% 58.6% 15.3% 1.4x
15   Downy Woodpecker 39.1% 58.6% 19.5% 1.5x
16   Common Yellowthroat 33.0% 58.6% 25.6% 1.8x
17   Red-bellied Woodpecker 58.4% 55.2% 3.3% 0.9x
18   White-throated Sparrow 56.8% 55.2% 1.7% 1.0x
19   American Crow 56.6% 55.2% 1.4% 1.0x
20   American Goldfinch 45.3% 55.2% 9.9% 1.2x
21   Eastern Towhee 46.3% 51.7% 5.5% 1.1x
22   Black Vulture 19.9% 51.7% 31.8% 2.6x
23   Yellow-throated Warbler 19.7% 51.7% 32.1% 2.6x
24   Chipping Sparrow 43.4% 48.3% 4.9% 1.1x
25   Red-shouldered Hawk 32.6% 48.3% 15.7% 1.5x
26   House Finch 25.7% 48.3% 22.6% 1.9x
27   Northern Parula 35.9% 44.8% 8.9% 1.2x
28   American Robin 42.3% 41.4% 0.9% 1.0x
29   Brown-headed Cowbird 35.7% 41.4% 5.7% 1.2x
30   European Starling 21.2% 37.9% 16.7% 1.8x
31   Great Crested Flycatcher 19.9% 37.9% 18.0% 1.9x
32   Yellow-rumped Warbler 46.5% 34.5% 12.0% 0.7x
33   Brown-headed Nuthatch 31.8% 34.5% 2.7% 1.1x
34   Red-winged Blackbird 25.9% 34.5% 8.6% 1.3x
35   Brown Thrasher 20.8% 34.5% 13.7% 1.7x
36   White-eyed Vireo 37.6% 31.0% 6.5% 0.8x
37   Ruby-crowned Kinglet 32.9% 31.0% 1.9% 0.9x
38   Mallard 30.0% 31.0% 1.0% 1.0x
39   Red-eyed Vireo 29.9% 31.0% 1.2% 1.0x
40   Northern Rough-winged Swallow 29.6% 31.0% 1.4% 1.0x
41   Red-tailed Hawk 13.4% 31.0% 17.7% 2.3x
42   Common Grackle 27.1% 27.6% 0.5% 1.0x
43   Ovenbird 18.9% 27.6% 8.7% 1.5x
44   Wood Duck 13.4% 27.6% 14.2% 2.1x
45   Hooded Warbler 9.0% 27.6% 18.6% 3.1x
46   Fish Crow 36.0% 24.1% 11.8% 0.7x
47   Eastern Phoebe 34.2% 20.7% 13.5% 0.6x
48   White-breasted Nuthatch 22.4% 20.7% 1.7% 0.9x
49   Killdeer 16.4% 20.7% 4.3% 1.3x
50   Northern Flicker 13.9% 20.7% 6.8% 1.5x
51   Barred Owl 8.7% 20.7% 12.0% 2.4x
52   Pileated Woodpecker 19.9% 17.2% 2.6% 0.9x
53   Belted Kingfisher 18.4% 17.2% 1.2% 0.9x
54   Black-and-white Warbler 14.2% 17.2% 3.1% 1.2x
55   Swamp Sparrow 13.4% 17.2% 3.9% 1.3x
56   Ruby-throated Hummingbird 8.7% 17.2% 8.6% 2.0x
57   Dark-eyed Junco 4.6% 17.2% 12.6% 3.7x
58   Gray Catbird 18.8% 13.8% 5.0% 0.7x
59   Summer Tanager 13.9% 13.8% 0.1% 1.0x
60   Red-headed Woodpecker 14.2% 10.3% 3.8% 0.7x
61   Indigo Bunting 12.5% 10.3% 2.1% 0.8x
62   Prothonotary Warbler 12.0% 10.3% 1.7% 0.9x
63   Wood Thrush 8.1% 10.3% 2.3% 1.3x
64   Acadian Flycatcher 2.3% 10.3% 8.1% 4.6x
65   Double-crested Cormorant 26.5% 6.9% 19.6% 0.3x
66   Song Sparrow 22.6% 6.9% 15.7% 0.3x
67   Bald Eagle 12.0% 6.9% 5.1% 0.6x
68   Prairie Warbler 7.9% 6.9% 1.0% 0.9x
69   Green Heron 6.9% 6.9% 0.0% 1.0x
70   Purple Martin 6.2% 6.9% 0.6% 1.1x
71   Yellow-throated Vireo 5.6% 6.9% 1.3% 1.2x
72   Cooper's Hawk 3.9% 6.9% 3.0% 1.8x
73   Chimney Swift 13.6% 3.4% 10.2% 0.3x
74   Tree Swallow 12.2% 3.4% 8.8% 0.3x
75   House Wren 10.4% 3.4% 7.0% 0.3x
76   Louisiana Waterthrush 10.3% 3.4% 6.8% 0.3x
77   Hairy Woodpecker 9.1% 3.4% 5.6% 0.4x
78   Blue Grosbeak 8.6% 3.4% 5.1% 0.4x
79   Hermit Thrush 8.2% 3.4% 4.7% 0.4x
80   Black-throated Blue Warbler 6.2% 3.4% 2.8% 0.6x
81   Cedar Waxwing 6.2% 3.4% 2.7% 0.6x
82   Solitary Sandpiper 5.5% 3.4% 2.1% 0.6x
83   Scarlet Tanager 4.4% 3.4% 0.9% 0.8x
84   Blue-headed Vireo 4.3% 3.4% 0.9% 0.8x
85   Northern Waterthrush 3.4% 3.4% 0.0% 1.0x
86   Yellow Warbler 2.8% 3.4% 0.6% 1.2x
87   Hooded Merganser 2.2% 3.4% 1.2% 1.5x
88   Rose-breasted Grosbeak 1.4% 3.4% 2.0% 2.4x
89   crow sp. 1.3% 3.4% 2.1% 2.6x
90   Yellow-billed Cuckoo 1.0% 3.4% 2.4% 3.3x
91   Red-breasted Nuthatch 1.0% 3.4% 2.4% 3.3x
92   American Bittern 1.0% 3.4% 2.5% 3.5x
93   Broad-winged Hawk 0.9% 3.4% 2.5% 3.6x
94   Swainson's Thrush 0.9% 3.4% 2.6% 4.0x
95   Downy/Hairy Woodpecker 0.3% 3.4% 3.2% 12.4x
96   Marsh Wren 0.2% 3.4% 3.3% 18.9x