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Loudoun Co. (VA) 2009-2013
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All Species Summary
Species Summary
72 blocks with records.
120 total species: 102 CO, 12 PR, 6 PO , (plus 131 OB)
last updated
:
Mon, May 20 at 03:51 AM (33hrs ago).
Species List
sort:
taxonomic
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Species
Best Evidence
Blocks PO
Blocks PR
Blocks CO
TOTAL
Eastern Bluebird
CO
2
2
62
69 blocks
American Robin
CO
5
9
55
69 blocks
European Starling
CO
10
3
55
70 blocks
Northern Cardinal
CO
5
15
52
72 blocks
Carolina Chickadee
CO
9
8
52
72 blocks
Northern Mockingbird
CO
9
11
49
70 blocks
Gray Catbird
CO
10
10
49
69 blocks
Eastern Phoebe
CO
11
7
49
68 blocks
House Sparrow
CO
10
5
49
66 blocks
Red-winged Blackbird
CO
6
9
48
65 blocks
Canada Goose
CO
8
2
48
67 blocks
Chipping Sparrow
CO
11
13
47
72 blocks
Tufted Titmouse
CO
10
11
47
71 blocks
Barn Swallow
CO
13
5
44
66 blocks
Tree Swallow
CO
8
4
44
62 blocks
Common Grackle
CO
14
8
43
67 blocks
Red-bellied Woodpecker
CO
8
20
39
72 blocks
Brown Thrasher
CO
12
14
37
65 blocks
Carolina Wren
CO
9
27
36
72 blocks
Red-shouldered Hawk
CO
20
9
35
68 blocks
Downy Woodpecker
CO
14
23
32
71 blocks
American Crow
CO
20
17
32
71 blocks
Indigo Bunting
CO
9
30
31
70 blocks
Song Sparrow
CO
12
22
31
69 blocks
House Wren
CO
16
12
31
62 blocks
Eastern Kingbird
CO
15
19
30
68 blocks
Blue-gray Gnatcatcher
CO
14
15
29
62 blocks
Cedar Waxwing
CO
22
8
29
71 blocks
Mourning Dove
CO
17
22
28
71 blocks
Blue Jay
CO
23
16
27
71 blocks
Field Sparrow
CO
12
27
26
67 blocks
House Finch
CO
12
20
26
63 blocks
Purple Martin
CO
7
0
25
41 blocks
Brown-headed Cowbird
CO
16
23
24
65 blocks
American Goldfinch
CO
12
32
23
71 blocks
Great Crested Flycatcher
CO
17
27
23
69 blocks
White-breasted Nuthatch
CO
25
22
22
71 blocks
Orchard Oriole
CO
14
15
21
57 blocks
Red-tailed Hawk
CO
29
8
21
68 blocks
Killdeer
CO
25
6
21
59 blocks
Wild Turkey
CO
26
5
21
56 blocks
Northern Rough-winged Swallow
CO
13
7
20
53 blocks
Mallard
CO
9
7
20
54 blocks
Red-headed Woodpecker
CO
12
6
18
46 blocks
Eastern Towhee
CO
12
39
17
70 blocks
Common Yellowthroat
CO
16
29
17
65 blocks
Eastern Meadowlark
CO
15
20
17
54 blocks
Northern Flicker (unid. Red/Yellow Shafted)
CO
24
17
17
66 blocks
Wood Duck
CO
9
7
17
44 blocks
Eastern Wood-Pewee
CO
19
34
15
69 blocks
Grasshopper Sparrow
CO
10
23
15
51 blocks
Baltimore Oriole
CO
14
19
15
53 blocks
Wood Thrush
CO
15
31
14
63 blocks
Green Heron
CO
33
11
14
62 blocks
Blue Grosbeak
CO
18
9
14
45 blocks
Fish Crow
CO
35
11
13
67 blocks
Red-eyed Vireo
CO
23
29
12
68 blocks
Acadian Flycatcher
CO
17
27
12
59 blocks
Barred Owl
CO
13
17
12
48 blocks
Ruby-throated Hummingbird
CO
20
15
12
53 blocks
Belted Kingfisher
CO
25
7
11
56 blocks
Pileated Woodpecker
CO
24
26
10
68 blocks
Hairy Woodpecker
CO
32
9
10
62 blocks
American Kestrel
CO
12
9
10
55 blocks
Rock Pigeon
CO
39
12
8
65 blocks
Scarlet Tanager
CO
16
27
7
57 blocks
White-eyed Vireo
CO
18
14
7
45 blocks
Bald Eagle
CO
3
0
7
54 blocks
Great Blue Heron
CO
0
0
7
64 blocks
Chimney Swift
CO
40
15
6
66 blocks
Black Vulture
CO
42
9
6
68 blocks
Cooper's Hawk
CO
25
6
6
61 blocks
Great Horned Owl
CO
15
6
6
28 blocks
Worm-eating Warbler
CO
4
2
6
25 blocks
Yellow-billed Cuckoo
CO
28
20
5
62 blocks
Turkey Vulture
CO
45
11
5
70 blocks
Common Raven
CO
21
6
5
57 blocks
Kentucky Warbler
CO
4
0
5
13 blocks
Yellow-breasted Chat
CO
12
15
4
32 blocks
Willow Flycatcher
CO
8
15
4
34 blocks
Louisiana Waterthrush
CO
13
12
4
34 blocks
American Redstart
CO
2
9
4
42 blocks
Ovenbird
CO
7
20
3
39 blocks
Yellow Warbler
CO
11
17
3
40 blocks
Prairie Warbler
CO
10
16
3
37 blocks
Yellow-throated Vireo
CO
10
11
3
31 blocks
Prothonotary Warbler
CO
4
3
3
13 blocks
Bobolink
CO
0
2
3
14 blocks
Warbling Vireo
CO
10
7
2
32 blocks
Barn Owl
CO
3
4
2
12 blocks
Eastern Screech-Owl
CO
6
3
2
17 blocks
Savannah Sparrow
CO
2
1
2
25 blocks
American Woodcock
CO
2
5
1
15 blocks
Dickcissel
CO
1
4
1
7 blocks
Black-and-white Warbler
CO
7
3
1
35 blocks
Vesper Sparrow
CO
4
3
1
13 blocks
Hooded Warbler
CO
5
2
1
14 blocks
Blue-winged Warbler
CO
2
1
1
12 blocks
Hooded Merganser
CO
0
0
1
33 blocks
Osprey
CO
0
0
1
35 blocks
Loggerhead Shrike
CO
0
0
1
7 blocks
Cliff Swallow
CO
0
0
1
8 blocks
Northern Parula
PR
9
22
0
42 blocks
Northern Bobwhite
PR
3
9
0
12 blocks
Pine Warbler
PR
8
3
0
21 blocks
Cerulean Warbler
PR
4
3
0
12 blocks
Yellow-throated Warbler
PR
2
2
0
7 blocks
Rose-breasted Grosbeak
PR
2
2
0
24 blocks
Horned Lark
PR
1
2
0
9 blocks
Virginia Rail
PR
0
2
0
2 blocks
Whip-poor-will
PR
0
2
0
4 blocks
Common Nighthawk
PR
1
1
0
16 blocks
Summer Tanager
PR
0
1
0
4 blocks
Swamp Sparrow
PR
0
1
0
38 blocks
Broad-winged Hawk
PO
7
0
0
29 blocks
Sharp-shinned Hawk
PO
5
0
0
44 blocks
Black-billed Cuckoo
PO
3
0
0
8 blocks
Ring-necked Duck
PO
1
0
0
40 blocks
Pied-billed Grebe
PO
1
0
0
18 blocks
Nashville Warbler
PO
1
0
0
15 blocks
Greater White-fronted Goose
OB
0
0
0
1 blocks
Snow Goose
OB
0
0
0
10 blocks
Cackling Goose
OB
0
0
0
2 blocks
Brant
OB
0
0
0
1 blocks
Mute Swan
OB
0
0
0
4 blocks
Tundra Swan
OB
0
0
0
18 blocks
Gadwall
OB
0
0
0
10 blocks
American Wigeon
OB
0
0
0
10 blocks
American Black Duck
OB
0
0
0
26 blocks
Blue-winged Teal
OB
0
0
0
13 blocks
Northern Shoveler
OB
0
0
0
5 blocks
Northern Pintail
OB
0
0
0
4 blocks
Green-winged Teal
OB
0
0
0
15 blocks
Canvasback
OB
0
0
0
3 blocks
Redhead
OB
0
0
0
7 blocks
Lesser Scaup
OB
0
0
0
10 blocks
Long-tailed Duck
OB
0
0
0
1 blocks
Bufflehead
OB
0
0
0
19 blocks
Common Goldeneye
OB
0
0
0
3 blocks
Common Merganser
OB
0
0
0
13 blocks
Red-breasted Merganser
OB
0
0
0
10 blocks
Ruddy Duck
OB
0
0
0
16 blocks
Red-throated Loon
OB
0
0
0
1 blocks
Common Loon
OB
0
0
0
9 blocks
Horned Grebe
OB
0
0
0
8 blocks
Double-crested Cormorant
OB
0
0
0
23 blocks
American Bittern
OB
0
0
0
4 blocks
Great Egret
OB
0
0
0
29 blocks
Snowy Egret
OB
0
0
0
3 blocks
Little Blue Heron
OB
0
0
0
4 blocks
Cattle Egret
OB
0
0
0
1 blocks
Black-crowned Night-Heron
OB
0
0
0
4 blocks
Yellow-crowned Night-Heron
OB
0
0
0
1 blocks
White Ibis
OB
0
0
0
2 blocks
Glossy Ibis
OB
0
0
0
1 blocks
Swallow-tailed Kite
OB
0
0
0
1 blocks
Mississippi Kite
OB
0
0
0
1 blocks
Northern Harrier
OB
0
0
0
34 blocks
Northern Goshawk
OB
0
0
0
1 blocks
Rough-legged Hawk
OB
0
0
0
3 blocks
Golden Eagle
OB
0
0
0
5 blocks
Merlin
OB
0
0
0
12 blocks
Peregrine Falcon
OB
0
0
0
3 blocks
Black Rail
OB
0
0
0
1 blocks
Sora
OB
0
0
0
2 blocks
Common Moorhen
OB
0
0
0
3 blocks
American Coot
OB
0
0
0
8 blocks
Sandhill Crane
OB
0
0
0
2 blocks
Black-bellied Plover
OB
0
0
0
1 blocks
American Golden-Plover
OB
0
0
0
1 blocks
Semipalmated Plover
OB
0
0
0
4 blocks
American Avocet
OB
0
0
0
1 blocks
Greater Yellowlegs
OB
0
0
0
10 blocks
Lesser Yellowlegs
OB
0
0
0
7 blocks
Solitary Sandpiper
OB
0
0
0
28 blocks
Spotted Sandpiper
OB
0
0
0
21 blocks
Semipalmated Sandpiper
OB
0
0
0
5 blocks
Western Sandpiper
OB
0
0
0
1 blocks
Least Sandpiper
OB
0
0
0
6 blocks
White-rumped Sandpiper
OB
0
0
0
1 blocks
Pectoral Sandpiper
OB
0
0
0
3 blocks
Stilt Sandpiper
OB
0
0
0
1 blocks
Short-billed Dowitcher
OB
0
0
0
1 blocks
Long-billed Dowitcher
OB
0
0
0
1 blocks
Wilson's Snipe
OB
0
0
0
10 blocks
Red Phalarope
OB
0
0
0
1 blocks
Bonaparte's Gull
OB
0
0
0
5 blocks
Ring-billed Gull
OB
0
0
0
35 blocks
Herring Gull
OB
0
0
0
8 blocks
Great Black-backed Gull
OB
0
0
0
1 blocks
Caspian Tern
OB
0
0
0
2 blocks
Common Tern
OB
0
0
0
1 blocks
Long-eared Owl
OB
0
0
0
1 blocks
Short-eared Owl
OB
0
0
0
3 blocks
Yellow-bellied Sapsucker
OB
0
0
0
60 blocks
Olive-sided Flycatcher
OB
0
0
0
6 blocks
Yellow-bellied Flycatcher
OB
0
0
0
4 blocks
Alder Flycatcher
OB
0
0
0
2 blocks
Least Flycatcher
OB
0
0
0
6 blocks
Western Kingbird
OB
0
0
0
2 blocks
Scissor-tailed Flycatcher
OB
0
0
0
2 blocks
Northern Shrike
OB
0
0
0
1 blocks
Blue-headed Vireo
OB
0
0
0
25 blocks
Philadelphia Vireo
OB
0
0
0
3 blocks
Bank Swallow
OB
0
0
0
18 blocks
Black-capped Chickadee
OB
0
0
0
5 blocks
Red-breasted Nuthatch
OB
0
0
0
36 blocks
Brown-headed Nuthatch
OB
0
0
0
1 blocks
Brown Creeper
OB
0
0
0
41 blocks
Winter Wren
OB
0
0
0
31 blocks
Golden-crowned Kinglet
OB
0
0
0
48 blocks
Ruby-crowned Kinglet
OB
0
0
0
46 blocks
Veery
OB
0
0
0
7 blocks
Gray-cheeked Thrush
OB
0
0
0
7 blocks
Swainson's Thrush
OB
0
0
0
14 blocks
Hermit Thrush
OB
0
0
0
34 blocks
American Pipit
OB
0
0
0
4 blocks
Tennessee Warbler
OB
0
0
0
10 blocks
Orange-crowned Warbler
OB
0
0
0
3 blocks
Chestnut-sided Warbler
OB
0
0
0
25 blocks
Magnolia Warbler
OB
0
0
0
30 blocks
Cape May Warbler
OB
0
0
0
10 blocks
Black-throated Blue Warbler
OB
0
0
0
22 blocks
Yellow-rumped Warbler (unid. Myrtle/Audubon's)
OB
0
0
0
61 blocks
Black-throated Green Warbler
OB
0
0
0
28 blocks
Blackburnian Warbler
OB
0
0
0
10 blocks
Palm Warbler
OB
0
0
0
35 blocks
Bay-breasted Warbler
OB
0
0
0
8 blocks
Blackpoll Warbler
OB
0
0
0
29 blocks
Northern Waterthrush
OB
0
0
0
11 blocks
Connecticut Warbler
OB
0
0
0
2 blocks
Mourning Warbler
OB
0
0
0
1 blocks
Wilson's Warbler
OB
0
0
0
5 blocks
Canada Warbler
OB
0
0
0
8 blocks
American Tree Sparrow
OB
0
0
0
21 blocks
Clay-colored Sparrow
OB
0
0
0
2 blocks
Fox Sparrow
OB
0
0
0
24 blocks
Lincoln's Sparrow
OB
0
0
0
8 blocks
White-throated Sparrow
OB
0
0
0
66 blocks
White-crowned Sparrow
OB
0
0
0
37 blocks
Dark-eyed Junco (unid. race)
OB
0
0
0
66 blocks
Lapland Longspur
OB
0
0
0
1 blocks
Snow Bunting
OB
0
0
0
1 blocks
Yellow-headed Blackbird
OB
0
0
0
1 blocks
Rusty Blackbird
OB
0
0
0
15 blocks
Brewer's Blackbird
OB
0
0
0
2 blocks
Purple Finch
OB
0
0
0
32 blocks
Red Crossbill
OB
0
0
0
1 blocks
White-winged Crossbill
OB
0
0
0
1 blocks
Common Redpoll
OB
0
0
0
2 blocks
Pine Siskin
OB
0
0
0
22 blocks
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Loudoun Co. (VA) 2009-2013
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U.S. Department of the Interior
||
U.S. Geological Survey
||
Patuxent Wildlife Research Center
Laurel, MD, USA 20708-4038
This site is: http://www.pwrc.usgs.gov/bba
Information contained in this application does not necessarily have the endorsement of USGS.
Contact:
mwimer@usgs.gov
Last updated: Site - December 2008; Content - various, depending on atlas.
Page generated on: 21-May-2013