Bird Finder

Top Birds at Passaic River Park (Union) in April
relative to other locations within 25 miles of 35.791540, -78.781117

based on 64 checklists

This page shows the probability of a species appearing on a checklist at Passaic River Park (Union) 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
1   American Robin 42.0% 89.1% 47.1%
2   Song Sparrow 23.8% 71.9% 48.0%
3   Red-bellied Woodpecker 58.3% 67.2% 8.9%
4   Canada Goose 48.6% 60.9% 12.4%
5   Blue Jay 48.6% 57.8% 9.3%
6   Yellow-rumped Warbler 44.8% 57.8% 13.0%
7   Northern Cardinal 80.7% 56.2% 24.5%
8   White-throated Sparrow 57.3% 56.2% 1.1%
9   Northern Flicker 13.1% 56.2% 43.1%
10   Downy Woodpecker 40.0% 51.6% 11.6%
11   White-breasted Nuthatch 22.3% 45.3% 23.0%
12   Tufted Titmouse 70.2% 40.6% 29.6%
13   European Starling 19.9% 39.1% 19.1%
14   Carolina Wren 71.6% 37.5% 34.1%
15   American Goldfinch 47.1% 37.5% 9.6%
16   Ruby-crowned Kinglet 33.0% 37.5% 4.5%
17   Red-winged Blackbird 26.8% 35.9% 9.2%
18   Palm Warbler 7.9% 35.9% 28.0%
19   Common Grackle 25.9% 34.4% 8.4%
20   Eastern Phoebe 35.4% 32.8% 2.6%
21   Hairy Woodpecker 10.1% 31.2% 21.1%
22   Brown-headed Cowbird 38.0% 29.7% 8.3%
23   Mallard 29.5% 29.7% 0.2%
24   American Crow 56.7% 28.1% 28.6%
25   Black-capped Chickadee 0% 25.0% 25.0%
26   Mourning Dove 45.4% 23.4% 21.9%
27   Turkey Vulture 42.8% 23.4% 19.3%
28   Dark-eyed Junco 5.1% 21.9% 16.8%
29   Blue-gray Gnatcatcher 63.5% 20.3% 43.2%
30   Pileated Woodpecker 20.4% 20.3% 0.1%
31   Northern Rough-winged Swallow 28.5% 18.8% 9.8%
32   House Wren 10.2% 18.8% 8.5%
33   Great Blue Heron 44.0% 17.2% 26.8%
34   Fish Crow 37.0% 17.2% 19.8%
35   Cooper's Hawk 3.8% 17.2% 13.4%
36   House Finch 27.2% 15.6% 11.6%
37   Barred Owl 8.7% 15.6% 6.9%
38   Barn Swallow 19.6% 12.5% 7.1%
39   Wood Duck 13.3% 12.5% 0.8%
40   Red-tailed Hawk 12.5% 12.5% 0.0%
41   Rusty Blackbird 0.8% 12.5% 11.7%
42   Tree Swallow 14.5% 10.9% 3.5%
43   Golden-crowned Kinglet 0.8% 9.4% 8.6%
44   Pine Warbler 45.5% 7.8% 37.6%
45   Red-shouldered Hawk 33.2% 7.8% 25.4%
46   House Sparrow 2.2% 7.8% 5.7%
47   Black-and-white Warbler 15.2% 6.2% 8.9%
48   Swamp Sparrow 14.1% 6.2% 7.8%
49   Cedar Waxwing 5.8% 6.2% 0.4%
50   Chipping Sparrow 43.6% 4.7% 39.0%
51   Belted Kingfisher 18.6% 4.7% 13.9%
52   Gray Catbird 18.3% 4.7% 13.6%
53   Hermit Thrush 8.2% 4.7% 3.5%
54   Brown Creeper 0.3% 4.7% 4.4%
55   Northern Mockingbird 26.9% 3.1% 23.8%
56   Bald Eagle 12.4% 3.1% 9.3%
57   Pine Siskin 3.2% 3.1% 0.1%
58   Yellow Warbler 2.6% 3.1% 0.5%
59   Hooded Merganser 2.3% 3.1% 0.8%
60   Winter Wren 1.3% 3.1% 1.8%
61   Purple Finch 0.7% 3.1% 2.4%
62   Common Raven 0.4% 3.1% 2.7%
63   Eastern Towhee 44.6% 1.6% 43.0%
64   Northern Parula 36.6% 1.6% 35.1%
65   Common Yellowthroat 33.8% 1.6% 32.2%
66   Black Vulture 20.4% 1.6% 18.9%
67   Chimney Swift 13.9% 1.6% 12.4%
68   Red-headed Woodpecker 13.0% 1.6% 11.4%
69   Field Sparrow 10.7% 1.6% 9.1%
70   Solitary Sandpiper 5.9% 1.6% 4.3%
71   Rose-breasted Grosbeak 1.4% 1.6% 0.2%
72   Warbling Vireo 0.2% 1.6% 1.3%