Bird Finder

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

based on 899 checklists

This page shows the probability of a species appearing on a checklist at Mason Farm Biological Reserve 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 80.0% 88.1% 8.1% 1.1x
2   Blue-gray Gnatcatcher 60.9% 85.3% 24.4% 1.4x
3   White-throated Sparrow 55.3% 84.1% 28.8% 1.5x
4   Tufted Titmouse 68.9% 83.0% 14.0% 1.2x
5   Carolina Wren 70.1% 81.3% 11.3% 1.2x
6   Carolina Chickadee 65.7% 75.9% 10.2% 1.2x
7   Red-bellied Woodpecker 57.5% 75.4% 17.9% 1.3x
8   Common Yellowthroat 30.7% 74.6% 43.9% 2.4x
9   White-eyed Vireo 35.6% 72.0% 36.3% 2.0x
10   Northern Parula 34.0% 70.3% 36.3% 2.1x
11   American Crow 56.0% 66.6% 10.6% 1.2x
12   Blue Jay 49.3% 65.3% 16.0% 1.3x
13   Eastern Towhee 45.4% 62.1% 16.7% 1.4x
14   Turkey Vulture 41.8% 62.0% 20.2% 1.5x
15   Eastern Bluebird 48.0% 59.4% 11.4% 1.2x
16   Yellow-rumped Warbler 45.9% 56.7% 10.8% 1.2x
17   American Goldfinch 44.8% 53.9% 9.1% 1.2x
18   Great Blue Heron 43.9% 53.4% 9.5% 1.2x
19   Red-eyed Vireo 28.8% 48.6% 19.8% 1.7x
20   Mourning Dove 46.1% 48.4% 2.3% 1.1x
21   Downy Woodpecker 38.6% 48.2% 9.6% 1.2x
22   Ruby-crowned Kinglet 32.1% 47.1% 14.9% 1.5x
23   Red-shouldered Hawk 32.0% 43.0% 11.0% 1.3x
24   American Robin 42.3% 42.3% 0.1% 1.0x
25   Red-headed Woodpecker 12.6% 42.3% 29.7% 3.4x
26   European Starling 20.1% 41.0% 20.9% 2.0x
27   Brown-headed Cowbird 35.5% 40.2% 4.7% 1.1x
28   Pine Warbler 43.6% 39.4% 4.2% 0.9x
29   Ovenbird 17.8% 39.0% 21.3% 2.2x
30   Pileated Woodpecker 18.8% 38.4% 19.6% 2.0x
31   Swamp Sparrow 12.1% 37.0% 25.0% 3.1x
32   American Redstart 7.2% 36.6% 29.4% 5.1x
33   Barred Owl 7.2% 36.5% 29.3% 5.1x
34   Chipping Sparrow 43.8% 35.9% 7.9% 0.8x
35   Northern Mockingbird 27.9% 31.4% 3.4% 1.1x
36   Prothonotary Warbler 11.0% 30.6% 19.6% 2.8x
37   Canada Goose 50.0% 29.6% 20.4% 0.6x
38   Field Sparrow 10.7% 29.4% 18.6% 2.7x
39   Fish Crow 36.3% 28.9% 7.4% 0.8x
40   Indigo Bunting 11.6% 28.8% 17.2% 2.5x
41   Gray Catbird 18.3% 28.3% 10.0% 1.5x
42   Summer Tanager 13.2% 27.3% 14.1% 2.1x
43   Black Vulture 19.6% 25.7% 6.1% 1.3x
44   Red-tailed Hawk 12.8% 24.6% 11.8% 1.9x
45   Ruby-throated Hummingbird 7.8% 24.0% 16.2% 3.1x
46   Common Grackle 27.3% 23.2% 4.1% 0.9x
47   Great Crested Flycatcher 19.8% 22.7% 2.9% 1.1x
48   Song Sparrow 22.6% 22.0% 0.6% 1.0x
49   Brown Thrasher 20.7% 21.9% 1.2% 1.1x
50   Red-winged Blackbird 26.1% 21.8% 4.3% 0.8x
51   Yellow-throated Warbler 19.6% 21.8% 2.2% 1.1x
52   Black-and-white Warbler 13.7% 21.6% 7.8% 1.6x
53   White-breasted Nuthatch 22.4% 21.4% 1.1% 1.0x
54   Palm Warbler 7.9% 20.4% 12.5% 2.6x
55   Northern Flicker 13.5% 19.7% 6.1% 1.5x
56   House Wren 9.9% 19.5% 9.5% 2.0x
57   Northern Rough-winged Swallow 30.2% 18.9% 11.3% 0.6x
58   Brown-headed Nuthatch 32.5% 17.8% 14.7% 0.5x
59   Wood Duck 13.2% 16.7% 3.5% 1.3x
60   Killdeer 16.4% 16.4% 0.1% 1.0x
61   Mallard 30.8% 15.5% 15.4% 0.5x
62   Eastern Phoebe 35.3% 14.7% 20.6% 0.4x
63   Prairie Warbler 7.6% 14.2% 6.6% 1.9x
64   Blue Grosbeak 8.3% 13.8% 5.5% 1.7x
65   Belted Kingfisher 18.8% 12.1% 6.6% 0.6x
66   Yellow-throated Vireo 5.3% 11.8% 6.5% 2.2x
67   Hermit Thrush 8.0% 10.7% 2.7% 1.3x
68   House Finch 26.6% 10.5% 16.1% 0.4x
69   Hairy Woodpecker 9.0% 10.1% 1.1% 1.1x
70   Hooded Warbler 9.0% 10.0% 1.0% 1.1x
71   Black-throated Blue Warbler 6.0% 9.9% 3.9% 1.6x
72   Scarlet Tanager 4.1% 9.5% 5.3% 2.3x
73   Osprey 17.3% 8.8% 8.5% 0.5x
74   Chimney Swift 13.9% 8.5% 5.5% 0.6x
75   Blue-headed Vireo 4.1% 8.2% 4.1% 2.0x
76   Wood Thrush 8.1% 8.0% 0.1% 1.0x
77   Yellow-breasted Chat 2.5% 7.8% 5.3% 3.2x
78   Solitary Sandpiper 5.4% 7.7% 2.3% 1.4x
79   Northern Waterthrush 3.2% 7.6% 4.3% 2.4x
80   Cedar Waxwing 6.1% 7.3% 1.2% 1.2x
81   Green Heron 6.9% 6.9% 0.0% 1.0x
82   Louisiana Waterthrush 10.5% 6.8% 3.7% 0.6x
83   Eastern Kingbird 12.2% 6.6% 5.6% 0.5x
84   Dark-eyed Junco 4.6% 6.0% 1.4% 1.3x
85   Spotted Sandpiper 7.5% 4.7% 2.9% 0.6x
86   Acadian Flycatcher 2.1% 4.6% 2.4% 2.1x
87   Double-crested Cormorant 27.7% 4.3% 23.4% 0.2x
88   Bald Eagle 12.5% 4.1% 8.3% 0.3x
89   Wild Turkey 1.6% 4.1% 2.5% 2.5x
90   Veery 1.3% 4.1% 2.9% 3.3x
91   Barn Swallow 20.0% 4.0% 16.0% 0.2x
92   Pine Siskin 3.8% 4.0% 0.2% 1.1x
93   Worm-eating Warbler 2.2% 3.9% 1.7% 1.8x
94   Blue-winged Warbler 1.0% 3.9% 2.9% 4.0x
95   Yellow-billed Cuckoo 0.9% 3.9% 3.0% 4.4x
96   Winter Wren 1.1% 3.8% 2.7% 3.5x
97   Cooper's Hawk 3.9% 3.3% 0.6% 0.9x
98   Orchard Oriole 6.8% 2.8% 4.0% 0.4x
99   Great Egret 2.5% 2.7% 0.1% 1.1x
100   Great Horned Owl 0.8% 2.4% 1.7% 3.2x
101   Yellow Warbler 2.8% 2.3% 0.5% 0.8x
102   Eastern Wood-Pewee 1.4% 2.3% 0.9% 1.6x
103   Rose-breasted Grosbeak 1.4% 2.3% 1.0% 1.7x
104   Yellow-bellied Sapsucker 1.3% 2.3% 1.0% 1.8x
105   Rusty Blackbird 0.8% 2.2% 1.4% 2.7x
106   Black-throated Green Warbler 0.5% 2.2% 1.7% 4.3x
107   Tree Swallow 12.8% 1.7% 11.1% 0.1x
108   Savannah Sparrow 4.5% 1.7% 2.8% 0.4x
109   Red-breasted Nuthatch 1.0% 1.6% 0.6% 1.5x
110   Swainson's Thrush 0.8% 1.6% 0.7% 1.9x
111   Yellow-crowned Night-Heron 0.5% 1.6% 1.0% 2.9x
112   duck sp. 0.7% 1.4% 0.7% 2.0x
113   Purple Martin 6.5% 1.3% 5.2% 0.2x
114   Purple Finch 0.7% 1.3% 0.6% 1.8x
115   Blue-winged Teal 2.3% 1.2% 1.1% 0.5x
116   Golden-crowned Kinglet 0.8% 1.2% 0.4% 1.5x
117   Sharp-shinned Hawk 1.1% 1.1% 0.0% 1.0x
118   new world sparrow sp. 0.3% 1.1% 0.8% 3.5x
119   crow sp. 1.4% 1.0% 0.4% 0.7x
120   Broad-winged Hawk 1.0% 1.0% 0.1% 1.1x
121   hawk sp. 0.5% 0.9% 0.4% 1.8x
122   Rock Pigeon 5.8% 0.7% 5.1% 0.1x
123   House Sparrow 2.4% 0.7% 1.7% 0.3x
124   American Kestrel 1.1% 0.7% 0.4% 0.6x
125   Cape May Warbler 0.4% 0.7% 0.3% 1.7x
126   Orange-crowned Warbler 0.3% 0.7% 0.3% 2.1x
127   American Bittern 1.0% 0.6% 0.5% 0.5x
128   Common Raven 0.3% 0.6% 0.2% 1.6x
129   Vesper Sparrow 0.3% 0.6% 0.2% 1.6x
130   Downy/Hairy Woodpecker 0.3% 0.6% 0.3% 2.1x
131   peep sp. 0.2% 0.6% 0.4% 3.3x
132   Accipiter sp. 0.2% 0.6% 0.4% 3.4x
133   Chestnut-sided Warbler 0.1% 0.6% 0.4% 4.3x
134   Hooded Merganser 2.3% 0.4% 1.9% 0.2x
135   Lesser Yellowlegs 1.4% 0.4% 0.9% 0.3x
136   swallow sp. 1.1% 0.4% 0.6% 0.4x
137   Baltimore Oriole 0.7% 0.4% 0.2% 0.7x
138   warbler sp. (Parulidae sp.) 0.4% 0.4% 0.0% 1.1x
139   Magnolia Warbler 0.2% 0.4% 0.3% 2.6x
140   Little Blue Heron 0.1% 0.4% 0.3% 3.8x
141   Ring-billed Gull 7.6% 0.3% 7.3% 0.0x
142   Wilson's Snipe 1.1% 0.3% 0.7% 0.3x
143   White-crowned Sparrow 0.5% 0.3% 0.1% 0.7x
144   Brown Creeper 0.4% 0.3% 0.0% 0.9x
145   Merlin 0.3% 0.3% 0.1% 1.2x
146   blackbird sp. 0.2% 0.3% 0.2% 1.9x
147   Northern Bobwhite 0.1% 0.3% 0.2% 2.8x
148   Nashville Warbler 0.0% 0.3% 0.3% 10.7x
149   Eastern Meadowlark 7.1% 0.2% 6.9% 0.0x
150   Least Sandpiper 1.1% 0.2% 0.9% 0.2x
151   Greater Yellowlegs 0.7% 0.2% 0.5% 0.3x
152   Northern Harrier 0.7% 0.2% 0.5% 0.3x
153   Eastern Whip-poor-will 0.5% 0.2% 0.2% 0.5x
154   Blackburnian Warbler 0.2% 0.2% 0.0% 1.2x
155   passerine sp. 0.2% 0.2% 0.1% 1.3x
156   American Woodcock 0.1% 0.2% 0.1% 2.0x
157   Gray-cheeked Thrush 0.0% 0.2% 0.2% 7.2x
158   Pied-billed Grebe 2.6% 0.1% 2.4% 0.0x
159   American Coot 1.1% 0.1% 0.9% 0.1x
160   Sedge Wren 0.4% 0.1% 0.3% 0.3x
161   Bank Swallow 0.3% 0.1% 0.2% 0.3x
162   Horned Grebe 0.3% 0.1% 0.2% 0.4x
163   Chuck-will's-widow 0.3% 0.1% 0.2% 0.4x
164   Blackpoll Warbler 0.3% 0.1% 0.1% 0.4x
165   Mississippi Kite 0.2% 0.1% 0.1% 0.6x
166   Marsh Wren 0.2% 0.1% 0.1% 0.6x
167   Buteo sp. 0.2% 0.1% 0.1% 0.6x
168   Eastern Screech-Owl 0.2% 0.1% 0.1% 0.6x
169   Domestic goose sp. (Domestic type) 0.1% 0.1% 0.0% 0.8x
170   American Black Duck 0.1% 0.1% 0.0% 0.9x
171   Anhinga 0.1% 0.1% 0.0% 1.1x
172   vireo sp. 0.1% 0.1% 0.0% 1.1x
173   Fox Sparrow 0.1% 0.1% 0.1% 2.0x
174   Tennessee Warbler 0.0% 0.1% 0.1% 2.6x
175   Peregrine Falcon 0.0% 0.1% 0.1% 4.5x
176   finch sp. 0.0% 0.1% 0.1% 17.9x