
Mercer County Park NW Bird Species
| Common Name | Times Identified | 2007 06_16 | 2006 06_17 | 2002 04_13 | 2001 04_14 | 2000 04_01 | 1999 04_18 | 1998 04_04 | 1997 06_01 |
| Total Number of Species | 69 | 35 | 38 | 31 | 24 | 24 | 25 | 26 | 21 |
| Double-crested Cormorant | 2 | | | X | | | X | | |
| Black Vulture | 3 | X | | | | | | X | X |
| Turkey Vulture | 7 | X | X | X | X | X | X | X | |
| Snow Goose | 1 | | | | X | | | | |
| Canada Goose | 6 | | X | X | X | X | X | X | |
| Bald Eagle | 1 | | X | | | | | | |
| Northern Harrier | 4 | | | X | X | X | | X | |
| Sharp-shinned Hawk | 1 | | | | | X | | | |
| Cooper's Hawk | 2 | | | | | X | | X | |
| Broad-winged Hawk | 2 | | | | | X | X | | |
| Red-tailed Hawk | 6 | | | X | X | X | X | X | X |
| Rough-legged Hawk | 1 | | | | X | | | | |
| American Kestrel | 6 | X | | X | X | X | X | X | |
| Wild Turkey | 1 | | | X | | | | | |
| Killdeer | 1 | | | | | | | X | |
| Mourning Dove | 4 | X | X | X | | | | X | |
| Chimney Swift | 2 | | X | | | | | | X |
| Red-bellied Woodpecker | 3 | | | X | X | | | X | |
| Downy Woodpecker | 4 | | X | X | | X | X | | |
| Hairy Woodpecker | 1 | | X | | | | | | |
| Northern Flicker | 5 | | | X | X | X | X | X | |
| Willow Flycatcher | 3 | X | X | | | | | | X |
| Eastern Kingbird | 2 | X | | | | | | | X |
| Blue Jay | 8 | X | X | X | X | X | X | X | X |
| American Crow | 5 | | X | | X | X | X | X | |
| Tree Swallow | 5 | X | X | X | X | X | | | |
| Barn Swallow | 2 | | X | | | | | | X |
| Carolina Chickadee | 1 | | | X | | | | | |
| Tufted Titmouse | 5 | X | X | X | X | | | X | |
| White-breasted Nuthatch | 1 | X | | | | | | | |
| Carolina Wren | 1 | | X | | | | | | |
| Blue-gray Gnatcatcher | 2 | | | | X | | X | | |
| Eastern Bluebird | 7 | X | X | X | X | X | X | X | |
| Wood Thrush | 2 | X | X | | | | | | |
| American Robin | 7 | X | X | X | X | X | X | X | |
| Gray Catbird | 3 | X | X | | | | | | X |
| Northern Mockingbird | 6 | X | X | X | X | X | | | X |
| Brown Thrasher | 6 | X | | X | X | | X | X | X |
| European Starling | 4 | | | X | | X | X | X | |
| Cedar Waxwing | 2 | X | | | | | | | X |
| Blue-winged Warbler | 1 | | X | | | | | | |
| Yellow Warbler | 2 | X | X | | | | | | |
| Yellow-rumped Warbler | 2 | | | | | | X | X | |
| Yellow-throated Warbler | 1 | | X | | | | | | |
| Prairie Warbler | 2 | X | X | | | | | | |
| Palm Warbler | 3 | | | X | X | | X | | |
| Black-and-white Warbler | 1 | X | | | | | | | |
| Ovenbird | 3 | X | X | | | | | | X |
| Common Yellowthroat | 3 | X | X | | | | | | X |
| Scarlet Tanager | 1 | X | | | | | | | |
| Eastern Towhee | 5 | X | X | X | X | | | | X |
| Chipping Sparrow | 1 | | | | | | X | | |
| Field Sparrow | 8 | X | X | X | X | X | X | X | X |
| Grasshopper Sparrow | 1 | | | | | X | | | |
| Song Sparrow | 4 | X | | X | | X | | X | |
| White-throated Sparrow | 2 | | | | | | X | X | |
| Northern Cardinal | 5 | X | X | X | | X | | X | |
| Rose-breasted Grosbeak | 2 | X | X | | | | | | |
| Indigo Bunting | 2 | | X | | | | | | X |
| Bobolink | 4 | X | X | | | | X | | X |
| Red-winged Blackbird | 7 | X | X | X | X | | X | X | X |
| Eastern Meadowlark | 7 | X | X | X | | X | X | X | X |
| Common Grackle | 3 | X | X | X | | | | | |
| Brown-headed Cowbird | 7 | X | X | X | X | X | X | | X |
| Orchard Oriole | 1 | | X | | | | | | |
| Baltimore Oriole | 2 | X | X | | | | | | |
| House Finch | 1 | | | X | | | | | |
| American Goldfinch | 7 | X | X | X | X | X | X | | X |
| Chickadee sp. | 1 | | | | | | | X | |
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