Bird Finder

Top Birds at Mason Farm Biological Reserve in May
relative to other locations within 25 miles of Cary, NC, USA

based on 617 checklists

This page shows the probability of a species appearing on a checklist at Mason Farm Biological Reserve during the month of May. 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   Indigo Bunting 42.6% 88.8% 46.2% 2.1x
2   Northern Cardinal 79.3% 83.0% 3.7% 1.0x
3   Carolina Wren 69.7% 76.2% 6.5% 1.1x
4   Tufted Titmouse 64.2% 75.5% 11.3% 1.2x
5   Blue-gray Gnatcatcher 55.5% 74.4% 18.9% 1.3x
6   Common Yellowthroat 39.1% 71.8% 32.7% 1.8x
7   Red-eyed Vireo 50.4% 71.5% 21.1% 1.4x
8   Red-bellied Woodpecker 54.4% 70.3% 16.0% 1.3x
9   Carolina Chickadee 60.1% 69.4% 9.3% 1.2x
10   Summer Tanager 36.5% 64.2% 27.7% 1.8x
11   Northern Parula 34.9% 62.7% 27.8% 1.8x
12   White-eyed Vireo 30.4% 62.6% 32.2% 2.1x
13   American Redstart 20.6% 60.3% 39.7% 2.9x
14   American Crow 56.6% 58.2% 1.6% 1.0x
15   Ruby-throated Hummingbird 17.1% 56.1% 39.0% 3.3x
16   Eastern Bluebird 49.1% 55.8% 6.7% 1.1x
17   Great Blue Heron 47.6% 55.8% 8.2% 1.2x
18   American Goldfinch 43.0% 53.6% 10.7% 1.2x
19   Blue Jay 44.0% 52.8% 8.8% 1.2x
20   Acadian Flycatcher 25.6% 49.4% 23.8% 1.9x
21   Turkey Vulture 38.9% 49.3% 10.3% 1.3x
22   Downy Woodpecker 38.7% 49.3% 10.5% 1.3x
23   Mourning Dove 49.3% 48.5% 0.9% 1.0x
24   Great Crested Flycatcher 48.1% 46.2% 1.9% 1.0x
25   Blue Grosbeak 22.3% 44.9% 22.6% 2.0x
26   European Starling 21.6% 44.7% 23.2% 2.1x
27   Prothonotary Warbler 15.0% 44.4% 29.4% 3.0x
28   Eastern Wood-Pewee 20.6% 42.6% 22.0% 2.1x
29   Brown-headed Cowbird 35.5% 41.5% 6.0% 1.2x
30   Gray Catbird 30.9% 40.4% 9.5% 1.3x
31   Yellow-billed Cuckoo 10.7% 39.1% 28.4% 3.7x
32   Pileated Woodpecker 18.4% 38.4% 20.0% 2.1x
33   Common Grackle 36.9% 37.4% 0.5% 1.0x
34   Eastern Towhee 37.8% 37.1% 0.7% 1.0x
35   Ovenbird 17.8% 37.0% 19.1% 2.1x
36   Barred Owl 6.6% 36.3% 29.7% 5.5x
37   Red-shouldered Hawk 31.4% 35.5% 4.1% 1.1x
38   American Robin 38.2% 33.4% 4.9% 0.9x
39   Yellow-breasted Chat 9.9% 32.9% 23.0% 3.3x
40   Northern Mockingbird 31.3% 31.9% 0.6% 1.0x
41   Pine Warbler 39.4% 31.0% 8.5% 0.8x
42   Black-and-white Warbler 14.8% 27.1% 12.2% 1.8x
43   Scarlet Tanager 11.4% 26.4% 15.0% 2.3x
44   Fish Crow 33.6% 26.1% 7.5% 0.8x
45   Red-tailed Hawk 13.5% 24.3% 10.8% 1.8x
46   Black-throated Blue Warbler 14.2% 24.0% 9.8% 1.7x
47   White-breasted Nuthatch 23.7% 23.0% 0.7% 1.0x
48   Black Vulture 21.1% 23.0% 2.0% 1.1x
49   Chipping Sparrow 37.9% 22.4% 15.6% 0.6x
50   Canada Goose 43.4% 21.4% 22.0% 0.5x
51   Red-winged Blackbird 27.5% 20.7% 6.7% 0.8x
52   Eastern Phoebe 34.6% 20.6% 14.1% 0.6x
53   Chimney Swift 29.3% 19.4% 9.9% 0.7x
54   Killdeer 20.0% 19.1% 0.9% 1.0x
55   Northern Rough-winged Swallow 34.1% 18.0% 16.1% 0.5x
56   White-throated Sparrow 7.0% 17.8% 10.8% 2.5x
57   Northern Waterthrush 6.8% 17.8% 11.1% 2.6x
58   Brown-headed Nuthatch 31.3% 16.9% 14.4% 0.5x
59   Yellow-throated Vireo 5.9% 15.7% 9.8% 2.6x
60   Prairie Warbler 7.3% 15.6% 8.2% 2.1x
61   Wood Thrush 14.2% 15.1% 0.9% 1.1x
62   Wood Duck 12.6% 14.4% 1.8% 1.1x
63   Brown Thrasher 17.0% 13.3% 3.7% 0.8x
64   Red-headed Woodpecker 11.0% 13.1% 2.1% 1.2x
65   Northern Flicker 9.0% 13.0% 3.9% 1.4x
66   House Finch 27.9% 12.8% 15.1% 0.5x
67   Hairy Woodpecker 8.1% 12.6% 4.5% 1.6x
68   Eastern Kingbird 27.1% 12.5% 14.6% 0.5x
69   Mallard 31.3% 12.0% 19.3% 0.4x
70   Yellow-throated Warbler 15.0% 11.5% 3.5% 0.8x
71   Swainson's Thrush 6.3% 10.2% 3.9% 1.6x
72   Spotted Sandpiper 16.6% 9.9% 6.7% 0.6x
73   House Wren 9.2% 9.7% 0.6% 1.1x
74   Cedar Waxwing 13.2% 9.6% 3.6% 0.7x
75   Swamp Sparrow 1.5% 9.6% 8.0% 6.3x
76   Hooded Warbler 11.2% 9.1% 2.1% 0.8x
77   Solitary Sandpiper 8.0% 9.1% 1.1% 1.1x
78   Magnolia Warbler 3.4% 9.1% 5.7% 2.7x
79   Yellow-rumped Warbler 11.4% 8.9% 2.5% 0.8x
80   Green Heron 10.8% 8.9% 1.9% 0.8x
81   Veery 3.3% 8.1% 4.8% 2.5x
82   Orchard Oriole 15.6% 7.5% 8.2% 0.5x
83   Louisiana Waterthrush 7.3% 7.5% 0.2% 1.0x
84   Song Sparrow 14.5% 7.0% 7.5% 0.5x
85   Barn Swallow 32.6% 6.8% 25.8% 0.2x
86   Yellow Warbler 7.9% 6.3% 1.6% 0.8x
87   Belted Kingfisher 12.3% 5.7% 6.6% 0.5x
88   Osprey 16.0% 5.2% 10.8% 0.3x
89   Blackpoll Warbler 7.6% 4.9% 2.7% 0.6x
90   Field Sparrow 3.7% 4.2% 0.5% 1.1x
91   Rose-breasted Grosbeak 2.3% 4.2% 2.0% 1.9x
92   Ruby-crowned Kinglet 1.4% 4.2% 2.8% 3.1x
93   Cooper's Hawk 2.7% 3.7% 1.0% 1.4x
94   Baltimore Oriole 0.8% 3.6% 2.7% 4.3x
95   Chestnut-sided Warbler 1.5% 3.2% 1.7% 2.2x
96   Worm-eating Warbler 1.0% 3.1% 2.0% 2.9x
97   Double-crested Cormorant 19.9% 2.9% 16.9% 0.1x
98   Bald Eagle 10.8% 2.9% 7.9% 0.3x
99   Purple Martin 10.4% 2.8% 7.7% 0.3x
100   Wild Turkey 1.4% 2.8% 1.4% 2.0x
101   Least Sandpiper 5.4% 1.9% 3.5% 0.4x
102   Yellow-crowned Night-Heron 0.7% 1.9% 1.3% 3.0x
103   Blue-winged Warbler 0.2% 1.9% 1.7% 9.8x
104   House Sparrow 3.4% 1.6% 1.8% 0.5x
105   Blue-headed Vireo 1.1% 1.6% 0.5% 1.5x
106   Broad-winged Hawk 0.8% 1.5% 0.6% 1.7x
107   Kentucky Warbler 2.0% 1.3% 0.7% 0.7x
108   Pine Siskin 0.9% 1.1% 0.3% 1.3x
109   Cape May Warbler 0.8% 1.1% 0.3% 1.4x
110   Black-throated Green Warbler 0.5% 1.1% 0.6% 2.1x
111   Gray-cheeked Thrush 0.5% 1.1% 0.6% 2.3x
112   crow sp. 1.8% 1.0% 0.9% 0.5x
113   Savannah Sparrow 1.2% 1.0% 0.3% 0.8x
114   American Woodcock 0.0% 1.0% 0.9% 19.6x
115   Rock Pigeon 6.9% 0.8% 6.0% 0.1x
116   Wilson's Warbler 0.7% 0.8% 0.1% 1.2x
117   Canada Warbler 0.4% 0.8% 0.4% 1.8x
118   Ring-necked Duck 0.1% 0.8% 0.7% 7.5x
119   Tree Swallow 13.8% 0.6% 13.1% 0.0x
120   duck sp. 0.5% 0.6% 0.1% 1.2x
121   Blue-winged Teal 0.4% 0.6% 0.3% 1.7x
122   Sharp-shinned Hawk 0.3% 0.6% 0.3% 2.0x
123   Downy/Hairy Woodpecker 0.3% 0.6% 0.4% 2.3x
124   Buteo sp. 0.2% 0.6% 0.4% 2.7x
125   new world sparrow sp. 0.2% 0.6% 0.5% 3.4x
126   Tennessee Warbler 0.1% 0.6% 0.5% 6.5x
127   Mallard x American Black Duck (hybrid) 0.1% 0.6% 0.6% 8.7x
128   Lesser Yellowlegs 1.4% 0.5% 0.9% 0.3x
129   Greater Yellowlegs 1.3% 0.5% 0.8% 0.4x
130   Palm Warbler 0.9% 0.5% 0.4% 0.5x
131   warbler sp. (Parulidae sp.) 0.5% 0.5% 0.1% 0.9x
132   Northern Harrier 0.4% 0.5% 0.1% 1.3x
133   Hermit Thrush 0.3% 0.5% 0.2% 1.5x
134   Willow Flycatcher 0.3% 0.5% 0.2% 1.8x
135   passerine sp. 0.1% 0.5% 0.3% 3.3x
136   Least Flycatcher 0.0% 0.5% 0.5% 14.7x
137   Wilson's Snipe 0.0% 0.5% 0.5% 14.7x
138   Great Egret 2.5% 0.3% 2.1% 0.1x
139   swallow sp. 1.2% 0.3% 0.9% 0.3x
140   Merlin 0.2% 0.3% 0.2% 1.9x
141   Summer/Scarlet Tanager 0.1% 0.3% 0.2% 3.6x
142   Pied-billed Grebe 0.1% 0.3% 0.2% 3.9x
143   Accipiter sp. 0.1% 0.3% 0.2% 3.9x
144   Semipalmated Sandpiper 3.3% 0.2% 3.1% 0.0x
145   Bobolink 3.2% 0.2% 3.0% 0.1x
146   Grasshopper Sparrow 3.0% 0.2% 2.9% 0.1x
147   Mississippi Kite 2.0% 0.2% 1.8% 0.1x
148   Ring-billed Gull 1.9% 0.2% 1.8% 0.1x
149   Warbling Vireo 1.9% 0.2% 1.7% 0.1x
150   Bank Swallow 1.3% 0.2% 1.1% 0.1x
151   hawk sp. 0.5% 0.2% 0.4% 0.3x
152   Great Horned Owl 0.5% 0.2% 0.4% 0.3x
153   Bay-breasted Warbler 0.5% 0.2% 0.3% 0.3x
154   Black-billed Cuckoo 0.3% 0.2% 0.2% 0.5x
155   Olive-sided Flycatcher 0.3% 0.2% 0.1% 0.6x
156   American Coot 0.2% 0.2% 0.1% 0.7x
157   Common Nighthawk 0.2% 0.2% 0.0% 0.8x
158   Catharus sp. 0.2% 0.2% 0.0% 0.9x
159   White-crowned Sparrow 0.2% 0.2% 0.0% 1.0x
160   American Pipit 0.1% 0.2% 0.1% 2.0x
161   Glossy Ibis 0.1% 0.2% 0.1% 2.8x
162   Dark-eyed Junco 0.0% 0.2% 0.1% 3.9x
163   American Black Duck 0.0% 0.2% 0.1% 3.9x
164   Nashville Warbler 0.0% 0.2% 0.1% 4.9x
165   Virginia Rail 0.0% 0.2% 0.1% 4.9x
166   Sedge Wren 0.0% 0.2% 0.1% 6.5x
167   Louisiana/Northern Waterthrush 0% 0.2% 0.2%
168   Golden-crowned Kinglet 0% 0.2% 0.2%