Bird Finder

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

based on 680 checklists

This page shows the probability of a species appearing on a checklist at Mason Farm Biological Reserve in 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 43.3% 89.3% 46.0% 2.1x
2   Northern Cardinal 79.6% 83.1% 3.5% 1.0x
3   Carolina Wren 70.3% 76.8% 6.5% 1.1x
4   Tufted Titmouse 64.1% 75.9% 11.7% 1.2x
5   Blue-gray Gnatcatcher 55.9% 75.1% 19.2% 1.3x
6   Common Yellowthroat 39.3% 72.5% 33.2% 1.8x
7   Red-eyed Vireo 50.5% 72.2% 21.7% 1.4x
8   Red-bellied Woodpecker 53.5% 70.9% 17.4% 1.3x
9   Carolina Chickadee 59.7% 70.6% 10.8% 1.2x
10   Summer Tanager 36.0% 64.9% 28.8% 1.8x
11   White-eyed Vireo 32.0% 64.7% 32.7% 2.0x
12   Northern Parula 35.1% 63.7% 28.6% 1.8x
13   American Redstart 20.9% 61.2% 40.3% 2.9x
14   American Crow 56.9% 57.6% 0.8% 1.0x
15   Ruby-throated Hummingbird 17.4% 56.0% 38.6% 3.2x
16   Great Blue Heron 46.0% 54.6% 8.5% 1.2x
17   Eastern Bluebird 49.4% 54.3% 4.8% 1.1x
18   American Goldfinch 44.1% 53.7% 9.5% 1.2x
19   Blue Jay 42.9% 51.9% 9.0% 1.2x
20   Downy Woodpecker 39.5% 50.3% 10.8% 1.3x
21   Acadian Flycatcher 24.9% 49.1% 24.2% 2.0x
22   Turkey Vulture 39.3% 49.0% 9.7% 1.2x
23   Mourning Dove 48.5% 48.1% 0.4% 1.0x
24   Great Crested Flycatcher 48.3% 47.9% 0.4% 1.0x
25   Eastern Wood-Pewee 20.2% 44.7% 24.5% 2.2x
26   Prothonotary Warbler 14.9% 44.1% 29.2% 3.0x
27   Blue Grosbeak 22.5% 43.7% 21.2% 1.9x
28   European Starling 21.3% 43.1% 21.8% 2.0x
29   Gray Catbird 30.4% 41.2% 10.8% 1.4x
30   Brown-headed Cowbird 35.1% 39.6% 4.4% 1.1x
31   Pileated Woodpecker 18.3% 38.8% 20.6% 2.1x
32   Barred Owl 6.5% 37.2% 30.8% 5.8x
33   Yellow-billed Cuckoo 9.2% 36.5% 27.3% 4.0x
34   Ovenbird 17.9% 35.9% 18.0% 2.0x
35   Eastern Towhee 37.6% 35.1% 2.4% 0.9x
36   Common Grackle 35.6% 34.9% 0.8% 1.0x
37   Red-shouldered Hawk 31.4% 34.7% 3.3% 1.1x
38   Pine Warbler 40.4% 32.1% 8.3% 0.8x
39   Yellow-breasted Chat 10.2% 31.2% 21.0% 3.1x
40   American Robin 38.8% 30.9% 8.0% 0.8x
41   Northern Mockingbird 30.9% 30.1% 0.8% 1.0x
42   Black-and-white Warbler 15.3% 27.4% 12.0% 1.8x
43   Scarlet Tanager 11.2% 26.2% 15.0% 2.3x
44   Fish Crow 33.6% 25.6% 8.1% 0.8x
45   White-breasted Nuthatch 23.7% 23.2% 0.5% 1.0x
46   Red-tailed Hawk 12.9% 22.9% 10.1% 1.8x
47   Black-throated Blue Warbler 13.4% 22.8% 9.4% 1.7x
48   Eastern Phoebe 34.9% 22.6% 12.3% 0.6x
49   Black Vulture 21.1% 22.5% 1.4% 1.1x
50   Chipping Sparrow 38.9% 21.5% 17.4% 0.6x
51   Canada Goose 42.5% 21.3% 21.2% 0.5x
52   Red-winged Blackbird 27.7% 20.3% 7.4% 0.7x
53   White-throated Sparrow 8.0% 19.0% 11.0% 2.4x
54   Chimney Swift 29.1% 18.4% 10.7% 0.6x
55   Prairie Warbler 7.1% 18.2% 11.1% 2.6x
56   Killdeer 20.0% 17.8% 2.2% 0.9x
57   Northern Rough-winged Swallow 32.6% 17.6% 14.9% 0.5x
58   Brown-headed Nuthatch 31.0% 17.4% 13.7% 0.6x
59   Northern Waterthrush 6.5% 17.2% 10.7% 2.6x
60   Yellow-throated Vireo 6.3% 16.0% 9.8% 2.6x
61   Wood Thrush 13.6% 14.4% 0.8% 1.1x
62   Wood Duck 12.9% 14.1% 1.2% 1.1x
63   Eastern Kingbird 27.1% 13.5% 13.6% 0.5x
64   Red-headed Woodpecker 10.6% 12.9% 2.3% 1.2x
65   House Finch 28.6% 12.8% 15.8% 0.4x
66   Brown Thrasher 17.6% 12.1% 5.5% 0.7x
67   Northern Flicker 8.6% 12.1% 3.5% 1.4x
68   Yellow-throated Warbler 15.7% 11.9% 3.8% 0.8x
69   Hairy Woodpecker 8.5% 11.8% 3.3% 1.4x
70   Mallard 29.7% 10.9% 18.9% 0.4x
71   Spotted Sandpiper 16.6% 10.0% 6.6% 0.6x
72   Hooded Warbler 11.5% 9.9% 1.6% 0.9x
73   Swainson's Thrush 5.9% 9.9% 4.0% 1.7x
74   Cedar Waxwing 13.6% 9.3% 4.3% 0.7x
75   Veery 3.2% 9.0% 5.7% 2.8x
76   Swamp Sparrow 1.7% 9.0% 7.2% 5.2x
77   House Wren 9.6% 8.8% 0.8% 0.9x
78   Solitary Sandpiper 8.1% 8.8% 0.7% 1.1x
79   Green Heron 10.6% 8.7% 1.9% 0.8x
80   Magnolia Warbler 3.3% 8.7% 5.3% 2.6x
81   Yellow-rumped Warbler 11.5% 8.4% 3.1% 0.7x
82   Orchard Oriole 15.6% 7.2% 8.4% 0.5x
83   Louisiana Waterthrush 7.4% 6.8% 0.6% 0.9x
84   Osprey 16.4% 6.5% 9.9% 0.4x
85   Barn Swallow 31.6% 6.3% 25.3% 0.2x
86   Song Sparrow 15.2% 6.3% 8.9% 0.4x
87   Yellow Warbler 8.1% 6.2% 2.0% 0.8x
88   Belted Kingfisher 12.1% 6.0% 6.0% 0.5x
89   Blackpoll Warbler 7.4% 4.6% 2.8% 0.6x
90   Field Sparrow 3.5% 4.4% 0.9% 1.2x
91   Rose-breasted Grosbeak 2.2% 4.1% 1.9% 1.8x
92   Ruby-crowned Kinglet 1.5% 3.8% 2.3% 2.6x
93   Baltimore Oriole 1.0% 3.8% 2.9% 4.0x
94   Cooper's Hawk 2.7% 3.5% 0.8% 1.3x
95   Double-crested Cormorant 18.9% 3.4% 15.5% 0.2x
96   Worm-eating Warbler 1.1% 3.4% 2.3% 3.2x
97   Wild Turkey 1.5% 3.2% 1.8% 2.2x
98   Bald Eagle 10.6% 3.1% 7.5% 0.3x
99   Chestnut-sided Warbler 1.4% 3.1% 1.7% 2.2x
100   Purple Martin 10.7% 2.6% 8.1% 0.2x
101   Yellow-crowned Night-Heron 1.0% 1.9% 0.9% 2.0x
102   Blue-winged Warbler 0.2% 1.9% 1.7% 8.1x
103   Least Sandpiper 5.7% 1.8% 3.9% 0.3x
104   Blue-headed Vireo 1.2% 1.6% 0.4% 1.3x
105   House Sparrow 3.8% 1.5% 2.3% 0.4x
106   Broad-winged Hawk 0.9% 1.5% 0.6% 1.7x
107   Kentucky Warbler 2.4% 1.2% 1.2% 0.5x
108   Pine Siskin 0.8% 1.2% 0.4% 1.5x
109   Cape May Warbler 0.8% 1.0% 0.2% 1.3x
110   Black-throated Green Warbler 0.5% 1.0% 0.5% 1.9x
111   Gray-cheeked Thrush 0.5% 1.0% 0.5% 2.1x
112   crow sp. 1.5% 0.9% 0.6% 0.6x
113   Savannah Sparrow 1.2% 0.9% 0.3% 0.7x
114   American Woodcock 0.1% 0.9% 0.8% 16.3x
115   Rock Pigeon 6.4% 0.7% 5.7% 0.1x
116   Wilson's Warbler 0.7% 0.7% 0.1% 1.1x
117   Canada Warbler 0.4% 0.7% 0.3% 1.9x
118   Ring-necked Duck 0.1% 0.7% 0.6% 8.3x
119   Tree Swallow 15.1% 0.6% 14.5% 0.0x
120   duck sp. 0.5% 0.6% 0.1% 1.2x
121   Blue-winged Teal 0.4% 0.6% 0.2% 1.5x
122   Sharp-shinned Hawk 0.3% 0.6% 0.3% 2.0x
123   Downy/Hairy Woodpecker 0.3% 0.6% 0.3% 2.3x
124   Buteo sp. 0.2% 0.6% 0.4% 2.7x
125   new world sparrow sp. 0.2% 0.6% 0.4% 3.5x
126   Tennessee Warbler 0.1% 0.6% 0.5% 6.7x
127   Mallard x American Black Duck (hybrid) 0.1% 0.6% 0.5% 10.8x
128   Lesser Yellowlegs 1.5% 0.4% 1.0% 0.3x
129   Greater Yellowlegs 1.2% 0.4% 0.8% 0.4x
130   Palm Warbler 0.9% 0.4% 0.4% 0.5x
131   warbler sp. (Parulidae sp.) 0.5% 0.4% 0.1% 0.8x
132   Hermit Thrush 0.3% 0.4% 0.1% 1.4x
133   Northern Harrier 0.3% 0.4% 0.1% 1.4x
134   Willow Flycatcher 0.2% 0.4% 0.2% 2.0x
135   passerine sp. 0.1% 0.4% 0.3% 3.0x
136   Pied-billed Grebe 0.1% 0.4% 0.3% 4.6x
137   Least Flycatcher 0.0% 0.4% 0.4% 16.3x
138   Wilson's Snipe 0.0% 0.4% 0.4% 16.3x
139   Great Egret 2.3% 0.3% 2.0% 0.1x
140   Warbling Vireo 1.7% 0.3% 1.4% 0.2x
141   swallow sp. 1.1% 0.3% 0.8% 0.3x
142   hawk sp. 0.5% 0.3% 0.2% 0.6x
143   Merlin 0.1% 0.3% 0.1% 2.0x
144   Summer/Scarlet Tanager 0.1% 0.3% 0.2% 2.3x
145   Accipiter sp. 0.1% 0.3% 0.2% 4.3x
146   Bobolink 3.3% 0.1% 3.2% 0.0x
147   Semipalmated Sandpiper 3.3% 0.1% 3.1% 0.0x
148   Grasshopper Sparrow 2.9% 0.1% 2.8% 0.1x
149   Mississippi Kite 2.4% 0.1% 2.2% 0.1x
150   Ring-billed Gull 1.7% 0.1% 1.5% 0.1x
151   Bank Swallow 1.4% 0.1% 1.3% 0.1x
152   Great Horned Owl 0.5% 0.1% 0.4% 0.3x
153   Bay-breasted Warbler 0.4% 0.1% 0.3% 0.3x
154   Black-billed Cuckoo 0.3% 0.1% 0.1% 0.6x
155   Catharus sp. 0.2% 0.1% 0.1% 0.7x
156   Olive-sided Flycatcher 0.2% 0.1% 0.1% 0.7x
157   Common Nighthawk 0.2% 0.1% 0.0% 0.7x
158   American Coot 0.2% 0.1% 0.0% 0.8x
159   White-crowned Sparrow 0.1% 0.1% 0.0% 1.0x
160   woodpecker sp. 0.1% 0.1% 0.0% 1.4x
161   shorebird sp. 0.1% 0.1% 0.1% 1.8x
162   American Pipit 0.1% 0.1% 0.1% 1.8x
163   Dark-eyed Junco 0.1% 0.1% 0.1% 2.2x
164   Glossy Ibis 0.0% 0.1% 0.1% 3.1x
165   Virginia Rail 0.0% 0.1% 0.1% 4.3x
166   American Black Duck 0.0% 0.1% 0.1% 4.3x
167   Sedge Wren 0.0% 0.1% 0.1% 4.3x
168   Nashville Warbler 0.0% 0.1% 0.1% 5.4x
169   Louisiana/Northern Waterthrush 0% 0.1% 0.1%
170   Golden-crowned Kinglet 0% 0.1% 0.1%