Bird Finder

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

based on 845 checklists

This page shows the probability of a species appearing on a checklist at Mason Farm Biological Reserve during the month of 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 80.1% 87.7% 7.5% 1.1x
2   Blue-gray Gnatcatcher 60.7% 85.2% 24.5% 1.4x
3   White-throated Sparrow 54.4% 83.8% 29.4% 1.5x
4   Tufted Titmouse 69.3% 83.0% 13.7% 1.2x
5   Carolina Wren 69.7% 80.5% 10.8% 1.2x
6   Carolina Chickadee 66.3% 76.0% 9.7% 1.1x
7   Red-bellied Woodpecker 57.9% 74.6% 16.7% 1.3x
8   Common Yellowthroat 30.5% 74.1% 43.6% 2.4x
9   White-eyed Vireo 33.8% 71.0% 37.2% 2.1x
10   Northern Parula 34.0% 69.9% 35.9% 2.1x
11   American Crow 55.9% 65.7% 9.8% 1.2x
12   Blue Jay 49.4% 64.3% 14.8% 1.3x
13   Eastern Towhee 45.5% 63.8% 18.3% 1.4x
14   Turkey Vulture 42.3% 62.0% 19.8% 1.5x
15   Eastern Bluebird 47.3% 59.3% 12.0% 1.3x
16   Yellow-rumped Warbler 46.9% 58.1% 11.2% 1.2x
17   Great Blue Heron 45.1% 53.3% 8.1% 1.2x
18   American Goldfinch 43.6% 52.3% 8.7% 1.2x
19   Red-eyed Vireo 28.5% 48.2% 19.7% 1.7x
20   Downy Woodpecker 38.5% 48.0% 9.6% 1.2x
21   Ruby-crowned Kinglet 31.7% 47.6% 15.9% 1.5x
22   Mourning Dove 46.3% 46.9% 0.5% 1.0x
23   American Robin 43.0% 43.8% 0.8% 1.0x
24   Red-shouldered Hawk 31.9% 42.5% 10.6% 1.3x
25   Red-headed Woodpecker 12.3% 42.5% 30.2% 3.5x
26   European Starling 20.6% 41.4% 20.8% 2.0x
27   Brown-headed Cowbird 35.1% 41.2% 6.1% 1.2x
28   Ovenbird 18.0% 39.2% 21.2% 2.2x
29   Pine Warbler 43.1% 38.8% 4.3% 0.9x
30   Pileated Woodpecker 19.1% 38.1% 19.0% 2.0x
31   Swamp Sparrow 11.9% 37.2% 25.2% 3.1x
32   Chipping Sparrow 42.7% 36.6% 6.1% 0.9x
33   American Redstart 6.6% 36.2% 29.6% 5.5x
34   Barred Owl 7.1% 35.6% 28.5% 5.0x
35   Northern Mockingbird 28.5% 32.4% 3.9% 1.1x
36   Prothonotary Warbler 10.6% 31.1% 20.5% 2.9x
37   Fish Crow 35.8% 29.6% 6.2% 0.8x
38   Field Sparrow 10.6% 29.6% 19.0% 2.8x
39   Canada Goose 50.7% 29.3% 21.3% 0.6x
40   Gray Catbird 19.1% 28.3% 9.2% 1.5x
41   Indigo Bunting 10.9% 27.1% 16.2% 2.5x
42   Summer Tanager 13.0% 26.4% 13.3% 2.0x
43   Red-tailed Hawk 13.2% 25.3% 12.2% 1.9x
44   Black Vulture 19.5% 25.0% 5.4% 1.3x
45   Common Grackle 28.3% 24.1% 4.1% 0.9x
46   Ruby-throated Hummingbird 7.6% 24.1% 16.6% 3.2x
47   Brown Thrasher 20.8% 22.5% 1.7% 1.1x
48   Great Crested Flycatcher 19.3% 22.4% 3.0% 1.2x
49   Song Sparrow 22.0% 22.0% 0.0% 1.0x
50   Red-winged Blackbird 25.9% 21.8% 4.2% 0.8x
51   Black-and-white Warbler 13.9% 21.7% 7.8% 1.6x
52   Palm Warbler 7.9% 21.5% 13.7% 2.7x
53   Yellow-throated Warbler 18.7% 21.1% 2.4% 1.1x
54   White-breasted Nuthatch 22.1% 20.9% 1.2% 0.9x
55   Northern Flicker 13.7% 20.5% 6.7% 1.5x
56   House Wren 9.8% 19.3% 9.5% 2.0x
57   Northern Rough-winged Swallow 31.4% 18.8% 12.6% 0.6x
58   Brown-headed Nuthatch 32.3% 17.8% 14.6% 0.5x
59   Wood Duck 13.6% 17.0% 3.4% 1.2x
60   Mallard 32.2% 16.4% 15.7% 0.5x
61   Killdeer 16.7% 16.3% 0.4% 1.0x
62   Prairie Warbler 7.9% 14.7% 6.8% 1.9x
63   Eastern Phoebe 34.5% 13.6% 20.8% 0.4x
64   Blue Grosbeak 7.7% 13.5% 5.8% 1.8x
65   Belted Kingfisher 19.7% 12.7% 7.1% 0.6x
66   Hermit Thrush 8.4% 11.4% 2.9% 1.4x
67   Yellow-throated Vireo 4.7% 10.9% 6.2% 2.3x
68   Black-throated Blue Warbler 6.4% 9.9% 3.6% 1.6x
69   Hairy Woodpecker 8.9% 9.7% 0.9% 1.1x
70   House Finch 26.3% 9.6% 16.7% 0.4x
71   Hooded Warbler 8.6% 9.5% 0.9% 1.1x
72   Scarlet Tanager 4.0% 9.5% 5.5% 2.4x
73   Chimney Swift 13.7% 8.6% 5.1% 0.6x
74   Osprey 17.2% 8.3% 8.9% 0.5x
75   Blue-headed Vireo 4.1% 8.3% 4.2% 2.0x
76   Yellow-breasted Chat 2.2% 8.2% 5.9% 3.6x
77   Wood Thrush 8.1% 8.0% 0.0% 1.0x
78   Cedar Waxwing 6.7% 7.7% 1.0% 1.1x
79   Northern Waterthrush 3.4% 7.7% 4.3% 2.3x
80   Green Heron 7.1% 7.2% 0.1% 1.0x
81   Louisiana Waterthrush 10.2% 7.1% 3.1% 0.7x
82   Solitary Sandpiper 5.8% 6.9% 1.1% 1.2x
83   Eastern Kingbird 12.4% 6.6% 5.8% 0.5x
84   Dark-eyed Junco 4.6% 6.2% 1.6% 1.3x
85   Acadian Flycatcher 2.3% 4.9% 2.5% 2.1x
86   Double-crested Cormorant 28.1% 4.6% 23.5% 0.2x
87   Barn Swallow 19.8% 4.3% 15.5% 0.2x
88   Pine Siskin 4.5% 4.3% 0.2% 0.9x
89   Bald Eagle 12.3% 4.1% 8.2% 0.3x
90   Worm-eating Warbler 2.3% 4.1% 1.8% 1.8x
91   Veery 1.4% 4.1% 2.8% 3.1x
92   Blue-winged Warbler 1.1% 4.1% 3.0% 3.8x
93   Yellow-billed Cuckoo 1.0% 4.1% 3.1% 4.2x
94   Spotted Sandpiper 8.0% 4.0% 3.9% 0.5x
95   Winter Wren 1.2% 4.0% 2.8% 3.4x
96   Wild Turkey 1.6% 3.7% 2.1% 2.3x
97   Cooper's Hawk 3.8% 3.3% 0.5% 0.9x
98   Great Egret 2.7% 2.8% 0.2% 1.1x
99   Orchard Oriole 6.7% 2.6% 4.1% 0.4x
100   Yellow Warbler 2.7% 2.5% 0.2% 0.9x
101   Yellow-bellied Sapsucker 1.4% 2.5% 1.1% 1.8x
102   Rose-breasted Grosbeak 1.4% 2.5% 1.1% 1.8x
103   Great Horned Owl 0.8% 2.5% 1.7% 3.0x
104   Eastern Wood-Pewee 1.6% 2.4% 0.8% 1.5x
105   Rusty Blackbird 0.8% 2.4% 1.5% 2.8x
106   Black-throated Green Warbler 0.5% 2.4% 1.9% 4.8x
107   Tree Swallow 12.3% 1.7% 10.7% 0.1x
108   Savannah Sparrow 4.1% 1.7% 2.5% 0.4x
109   Red-breasted Nuthatch 1.1% 1.7% 0.6% 1.6x
110   Swainson's Thrush 0.9% 1.7% 0.7% 1.8x
111   Yellow-crowned Night-Heron 0.3% 1.7% 1.4% 5.7x
112   duck sp. 0.7% 1.5% 0.8% 2.2x
113   Purple Martin 6.3% 1.4% 4.8% 0.2x
114   Purple Finch 0.7% 1.4% 0.7% 1.9x
115   Blue-winged Teal 2.6% 1.3% 1.3% 0.5x
116   Golden-crowned Kinglet 0.9% 1.3% 0.4% 1.5x
117   Sharp-shinned Hawk 1.1% 1.2% 0.1% 1.1x
118   crow sp. 1.6% 1.1% 0.6% 0.6x
119   new world sparrow sp. 0.3% 1.1% 0.7% 3.0x
120   Broad-winged Hawk 0.9% 0.8% 0.1% 0.9x
121   hawk sp. 0.5% 0.8% 0.3% 1.5x
122   Rock Pigeon 6.1% 0.7% 5.4% 0.1x
123   House Sparrow 2.6% 0.7% 1.9% 0.3x
124   American Kestrel 1.2% 0.7% 0.4% 0.6x
125   Cape May Warbler 0.4% 0.7% 0.3% 1.6x
126   Orange-crowned Warbler 0.3% 0.7% 0.4% 2.1x
127   American Bittern 1.2% 0.6% 0.6% 0.5x
128   Downy/Hairy Woodpecker 0.3% 0.6% 0.3% 2.0x
129   Accipiter sp. 0.2% 0.6% 0.4% 3.1x
130   peep sp. 0.2% 0.6% 0.4% 3.1x
131   Chestnut-sided Warbler 0.2% 0.6% 0.4% 3.8x
132   Hooded Merganser 2.5% 0.5% 2.0% 0.2x
133   Lesser Yellowlegs 1.3% 0.5% 0.9% 0.4x
134   Baltimore Oriole 0.6% 0.5% 0.1% 0.8x
135   warbler sp. (Parulidae sp.) 0.5% 0.5% 0.0% 1.0x
136   Common Raven 0.4% 0.5% 0.1% 1.3x
137   Magnolia Warbler 0.2% 0.5% 0.3% 2.8x
138   Little Blue Heron 0.1% 0.5% 0.4% 4.0x
139   Ring-billed Gull 7.9% 0.4% 7.6% 0.0x
140   swallow sp. 1.1% 0.4% 0.8% 0.3x
141   Wilson's Snipe 1.1% 0.4% 0.7% 0.3x
142   White-crowned Sparrow 0.5% 0.4% 0.1% 0.7x
143   Brown Creeper 0.4% 0.4% 0.0% 0.9x
144   Vesper Sparrow 0.3% 0.4% 0.0% 1.1x
145   Northern Bobwhite 0.1% 0.4% 0.3% 4.0x
146   Nashville Warbler 0.0% 0.4% 0.3% 9.5x
147   Eastern Meadowlark 6.8% 0.2% 6.6% 0.0x
148   Least Sandpiper 1.2% 0.2% 0.9% 0.2x
149   Greater Yellowlegs 0.7% 0.2% 0.5% 0.3x
150   Northern Harrier 0.7% 0.2% 0.5% 0.3x
151   Eastern Whip-poor-will 0.5% 0.2% 0.2% 0.5x
152   Merlin 0.3% 0.2% 0.0% 0.8x
153   Blackburnian Warbler 0.2% 0.2% 0.0% 1.2x
154   passerine sp. 0.2% 0.2% 0.0% 1.2x
155   blackbird sp. 0.2% 0.2% 0.1% 1.4x
156   American Woodcock 0.1% 0.2% 0.1% 1.8x
157   Gray-cheeked Thrush 0.0% 0.2% 0.2% 6.4x
158   Pied-billed Grebe 2.7% 0.1% 2.6% 0.0x
159   American Coot 1.1% 0.1% 1.0% 0.1x
160   Bank Swallow 0.4% 0.1% 0.3% 0.3x
161   Chuck-will's-widow 0.3% 0.1% 0.2% 0.4x
162   Horned Grebe 0.3% 0.1% 0.2% 0.4x
163   Blackpoll Warbler 0.3% 0.1% 0.2% 0.4x
164   Marsh Wren 0.2% 0.1% 0.1% 0.5x
165   Buteo sp. 0.2% 0.1% 0.1% 0.6x
166   Eastern Screech-Owl 0.2% 0.1% 0.1% 0.7x
167   Domestic goose sp. (Domestic type) 0.1% 0.1% 0.0% 0.8x
168   American Black Duck 0.1% 0.1% 0.0% 0.8x
169   Mississippi Kite 0.1% 0.1% 0.0% 1.0x
170   Anhinga 0.1% 0.1% 0.0% 1.1x
171   vireo sp. 0.1% 0.1% 0.0% 1.1x
172   Fox Sparrow 0.1% 0.1% 0.1% 2.3x
173   Tennessee Warbler 0.1% 0.1% 0.1% 2.3x
174   Peregrine Falcon 0.0% 0.1% 0.1% 7.9x
175   finch sp. 0% 0.1% 0.1%