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District of Columbia Species List
Species (sort: taxon / alpha )	Best Evidence		# of Blocks
Species (sort: taxon / alpha )	Best Evidence		PO	PR	CO
Canada Goose		CO	2	1	11
Wood Duck		CO	2	1	7
American Black Duck		CO	0	0	1
Mallard		CO	4	1	10
Hooded Merganser		PO	1	0	0
Common Merganser		PO	1	0	0
Ruddy Duck		OB	0	0	0
Wild Turkey		PR	2	1	0
Northern Bobwhite		PR	2	1	0
Pied-billed Grebe		OB	0	0	0
Double-crested Cormorant		OB	0	0	0
American Bittern		OB	0	0	0
Least Bittern		OB	0	0	0
Great Blue Heron		CO	0	0	2
Great Egret		OB	0	0	0
Green Heron		CO	8	0	4
Black-crowned Night-Heron		CO	0	0	1
Yellow-crowned Night-Heron		CO	0	0	2
Black Vulture		OB	0	0	0
Turkey Vulture		PR	1	2	0
Osprey		CO	0	0	4
Bald Eagle		CO	0	0	3
Sharp-shinned Hawk		OB	0	0	0
Cooper's Hawk		PO	7	0	0
Red-shouldered Hawk		CO	4	2	8
Broad-winged Hawk		PO	1	0	0
Red-tailed Hawk		CO	7	3	4
American Kestrel		CO	3	2	3
Peregrine Falcon		CO	0	0	1
Killdeer		CO	4	4	5
Spotted Sandpiper		CO	1	0	1
American Woodcock		PR	1	1	0
Herring Gull		OB	0	0	0
Great Black-backed Gull		OB	0	0	0
Least Tern		OB	0	0	0
Rock Pigeon		CO	4	4	7
Mourning Dove		CO	1	3	11
Yellow-billed Cuckoo		CO	6	3	2
Eastern Screech-Owl		PR	2	2	0
Great Horned Owl		CO	2	0	2
Barred Owl		CO	2	1	4
Common Nighthawk		PO	5	0	0
Chimney Swift		CO	7	3	5
Ruby-throated Hummingbird		CO	8	3	3
Belted Kingfisher		CO	8	1	2
Red-headed Woodpecker		OB	0	0	0
Red-bellied Woodpecker		CO	2	5	8
Downy Woodpecker		CO	1	3	11
Hairy Woodpecker		CO	5	3	6
Northern Flicker (Yellow-shafted Flicker)		CO	3	6	6
Pileated Woodpecker		CO	5	4	2
Eastern Wood-Pewee		CO	0	10	4
Acadian Flycatcher		CO	1	8	6
Willow Flycatcher		CO	0	4	1
Eastern Phoebe		CO	2	3	9
Great Crested Flycatcher		CO	4	8	3
Eastern Kingbird		CO	0	3	12
White-eyed Vireo		CO	1	7	3
Yellow-throated Vireo		PR	3	3	0
Warbling Vireo		CO	1	5	4
Red-eyed Vireo		CO	0	8	7
Blue Jay		CO	4	5	6
American Crow		CO	1	1	13
Fish Crow		CO	6	4	5
Horned Lark		PO	1	0	0
Purple Martin		CO	1	0	4
Tree Swallow		CO	4	0	4
Northern Rough-winged Swallow		CO	2	1	9
Barn Swallow		CO	1	0	14
Carolina Chickadee		CO	1	2	12
Tufted Titmouse		CO	2	5	8
White-breasted Nuthatch		CO	5	6	3
Brown Creeper		PO	1	0	0
Carolina Wren		CO	0	4	11
House Wren		CO	0	4	11
Marsh Wren		PR	0	2	0
Blue-gray Gnatcatcher		CO	1	2	11
Eastern Bluebird		CO	1	0	10
Veery		CO	1	5	1
Wood Thrush		CO	0	9	6
American Robin		CO	0	0	15
Gray Catbird		CO	0	2	13
Northern Mockingbird		CO	0	1	14
Brown Thrasher		CO	2	4	9
European Starling		CO	0	0	15
Cedar Waxwing		CO	3	5	6
Northern Parula		CO	2	9	1
Yellow Warbler		CO	1	5	3
Yellow-throated Warbler		CO	0	0	1
Pine Warbler		CO	2	0	2
Prairie Warbler		PO	1	0	0
Black-and-white Warbler		CO	0	0	2
American Redstart		PR	2	1	0
Prothonotary Warbler		CO	1	1	3
Worm-eating Warbler		PR	0	3	0
Ovenbird		PR	2	6	0
Louisiana Waterthrush		CO	1	2	2
Common Yellowthroat		CO	4	8	1
Hooded Warbler		PO	1	0	0
Yellow-breasted Chat		CO	0	4	2
Summer Tanager		PO	1	0	0
Scarlet Tanager		CO	2	8	1
Eastern Towhee		CO	0	6	9
Chipping Sparrow		CO	5	2	8
Field Sparrow		CO	1	3	2
Grasshopper Sparrow		PR	1	1	0
Song Sparrow		CO	0	2	13
Swamp Sparrow		CO	0	0	1
Northern Cardinal		CO	0	0	15
Blue Grosbeak		CO	1	6	2
Indigo Bunting		CO	2	9	3
Red-winged Blackbird		CO	1	3	11
Eastern Meadowlark		PR	0	3	0
Common Grackle		CO	0	0	15
Brown-headed Cowbird		CO	1	3	11
Orchard Oriole		CO	0	3	11
Baltimore Oriole		CO	1	5	7
House Finch		CO	1	2	12
American Goldfinch		CO	0	5	10
House Sparrow		CO	0	0	15

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