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Loudoun Co. (VA) 2009-2013
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All Species Summary
All Species Summary
Species Summary
72 blocks with records.
120 total species: 102 CO, 12 PR, 6 PO , (plus 131 OB)
last updated
:
Fri, May 17 at 03:51 AM (43hrs ago).
Species List
sort:
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Species
Best Evidence
Blocks PO
Blocks PR
Blocks CO
TOTAL
Acadian Flycatcher
CO
17
27
12
59 blocks
Alder Flycatcher
OB
0
0
0
2 blocks
American Avocet
OB
0
0
0
1 blocks
American Bittern
OB
0
0
0
4 blocks
American Black Duck
OB
0
0
0
26 blocks
American Coot
OB
0
0
0
8 blocks
American Crow
CO
20
17
32
71 blocks
American Golden-Plover
OB
0
0
0
1 blocks
American Goldfinch
CO
12
32
23
71 blocks
American Kestrel
CO
12
9
10
55 blocks
American Pipit
OB
0
0
0
4 blocks
American Redstart
CO
2
9
4
41 blocks
American Robin
CO
5
9
54
69 blocks
American Tree Sparrow
OB
0
0
0
21 blocks
American Wigeon
OB
0
0
0
10 blocks
American Woodcock
CO
2
5
1
15 blocks
Bald Eagle
CO
3
0
7
54 blocks
Baltimore Oriole
CO
14
19
15
53 blocks
Bank Swallow
OB
0
0
0
18 blocks
Barn Owl
CO
3
4
2
12 blocks
Barn Swallow
CO
13
5
44
66 blocks
Barred Owl
CO
13
16
12
47 blocks
Bay-breasted Warbler
OB
0
0
0
8 blocks
Belted Kingfisher
CO
25
7
11
56 blocks
Black Rail
OB
0
0
0
1 blocks
Black Vulture
CO
41
9
6
68 blocks
Black-and-white Warbler
CO
7
3
1
35 blocks
Black-bellied Plover
OB
0
0
0
1 blocks
Black-billed Cuckoo
PO
3
0
0
8 blocks
Black-capped Chickadee
OB
0
0
0
5 blocks
Black-crowned Night-Heron
OB
0
0
0
4 blocks
Black-throated Blue Warbler
OB
0
0
0
21 blocks
Black-throated Green Warbler
OB
0
0
0
27 blocks
Blackburnian Warbler
OB
0
0
0
9 blocks
Blackpoll Warbler
OB
0
0
0
28 blocks
Blue Grosbeak
CO
18
9
14
45 blocks
Blue Jay
CO
23
16
27
71 blocks
Blue-gray Gnatcatcher
CO
15
15
28
62 blocks
Blue-headed Vireo
OB
0
0
0
25 blocks
Blue-winged Teal
OB
0
0
0
13 blocks
Blue-winged Warbler
CO
2
1
1
12 blocks
Bobolink
CO
0
2
3
14 blocks
Bonaparte's Gull
OB
0
0
0
5 blocks
Brant
OB
0
0
0
1 blocks
Brewer's Blackbird
OB
0
0
0
2 blocks
Broad-winged Hawk
PO
7
0
0
29 blocks
Brown Creeper
OB
0
0
0
41 blocks
Brown Thrasher
CO
12
14
37
65 blocks
Brown-headed Cowbird
CO
16
23
24
65 blocks
Brown-headed Nuthatch
OB
0
0
0
1 blocks
Bufflehead
OB
0
0
0
19 blocks
Cackling Goose
OB
0
0
0
2 blocks
Canada Goose
CO
8
2
48
67 blocks
Canada Warbler
OB
0
0
0
7 blocks
Canvasback
OB
0
0
0
3 blocks
Cape May Warbler
OB
0
0
0
10 blocks
Carolina Chickadee
CO
9
8
52
72 blocks
Carolina Wren
CO
9
27
36
72 blocks
Caspian Tern
OB
0
0
0
2 blocks
Cattle Egret
OB
0
0
0
1 blocks
Cedar Waxwing
CO
22
8
29
71 blocks
Cerulean Warbler
PR
4
3
0
12 blocks
Chestnut-sided Warbler
OB
0
0
0
25 blocks
Chimney Swift
CO
40
15
6
66 blocks
Chipping Sparrow
CO
11
13
47
72 blocks
Clay-colored Sparrow
OB
0
0
0
2 blocks
Cliff Swallow
CO
0
0
1
8 blocks
Common Goldeneye
OB
0
0
0
3 blocks
Common Grackle
CO
14
8
43
67 blocks
Common Loon
OB
0
0
0
9 blocks
Common Merganser
OB
0
0
0
13 blocks
Common Moorhen
OB
0
0
0
3 blocks
Common Nighthawk
PR
1
1
0
16 blocks
Common Raven
CO
21
6
5
57 blocks
Common Redpoll
OB
0
0
0
2 blocks
Common Tern
OB
0
0
0
1 blocks
Common Yellowthroat
CO
16
29
17
65 blocks
Connecticut Warbler
OB
0
0
0
2 blocks
Cooper's Hawk
CO
25
6
6
61 blocks
Dark-eyed Junco (unid. race)
OB
0
0
0
66 blocks
Dickcissel
CO
1
4
1
7 blocks
Double-crested Cormorant
OB
0
0
0
23 blocks
Downy Woodpecker
CO
15
22
32
71 blocks
Eastern Bluebird
CO
2
2
62
69 blocks
Eastern Kingbird
CO
15
19
30
68 blocks
Eastern Meadowlark
CO
16
19
17
54 blocks
Eastern Phoebe
CO
11
7
49
68 blocks
Eastern Screech-Owl
CO
6
3
2
17 blocks
Eastern Towhee
CO
13
39
16
70 blocks
Eastern Wood-Pewee
CO
19
34
15
69 blocks
European Starling
CO
10
3
55
70 blocks
Field Sparrow
CO
12
27
26
67 blocks
Fish Crow
CO
35
11
13
67 blocks
Fox Sparrow
OB
0
0
0
24 blocks
Gadwall
OB
0
0
0
10 blocks
Glossy Ibis
OB
0
0
0
1 blocks
Golden Eagle
OB
0
0
0
5 blocks
Golden-crowned Kinglet
OB
0
0
0
48 blocks
Grasshopper Sparrow
CO
10
23
15
50 blocks
Gray Catbird
CO
10
10
49
69 blocks
Gray-cheeked Thrush
OB
0
0
0
6 blocks
Great Black-backed Gull
OB
0
0
0
1 blocks
Great Blue Heron
CO
0
0
7
64 blocks
Great Crested Flycatcher
CO
17
27
23
69 blocks
Great Egret
OB
0
0
0
29 blocks
Great Horned Owl
CO
15
6
6
28 blocks
Greater White-fronted Goose
OB
0
0
0
1 blocks
Greater Yellowlegs
OB
0
0
0
10 blocks
Green Heron
CO
33
11
14
62 blocks
Green-winged Teal
OB
0
0
0
15 blocks
Hairy Woodpecker
CO
31
9
10
62 blocks
Hermit Thrush
OB
0
0
0
34 blocks
Herring Gull
OB
0
0
0
8 blocks
Hooded Merganser
CO
0
0
1
33 blocks
Hooded Warbler
CO
5
2
1
13 blocks
Horned Grebe
OB
0
0
0
8 blocks
Horned Lark
PR
1
2
0
9 blocks
House Finch
CO
12
20
26
63 blocks
House Sparrow
CO
10
5
49
66 blocks
House Wren
CO
16
12
31
61 blocks
Indigo Bunting
CO
9
30
31
70 blocks
Kentucky Warbler
CO
4
0
5
13 blocks
Killdeer
CO
25
6
21
59 blocks
Lapland Longspur
OB
0
0
0
1 blocks
Least Flycatcher
OB
0
0
0
6 blocks
Least Sandpiper
OB
0
0
0
5 blocks
Lesser Scaup
OB
0
0
0
10 blocks
Lesser Yellowlegs
OB
0
0
0
7 blocks
Lincoln's Sparrow
OB
0
0
0
8 blocks
Little Blue Heron
OB
0
0
0
4 blocks
Loggerhead Shrike
CO
0
0
1
7 blocks
Long-billed Dowitcher
OB
0
0
0
1 blocks
Long-eared Owl
OB
0
0
0
1 blocks
Long-tailed Duck
OB
0
0
0
1 blocks
Louisiana Waterthrush
CO
13
12
4
34 blocks
Magnolia Warbler
OB
0
0
0
30 blocks
Mallard
CO
9
7
20
54 blocks
Merlin
OB
0
0
0
12 blocks
Mississippi Kite
OB
0
0
0
1 blocks
Mourning Dove
CO
18
21
28
71 blocks
Mourning Warbler
OB
0
0
0
1 blocks
Mute Swan
OB
0
0
0
4 blocks
Nashville Warbler
PO
1
0
0
15 blocks
Northern Bobwhite
PR
3
9
0
12 blocks
Northern Cardinal
CO
5
15
52
72 blocks
Northern Flicker (unid. Red/Yellow Shafted)
CO
25
16
17
66 blocks
Northern Goshawk
OB
0
0
0
1 blocks
Northern Harrier
OB
0
0
0
34 blocks
Northern Mockingbird
CO
9
11
49
70 blocks
Northern Parula
PR
9
22
0
42 blocks
Northern Pintail
OB
0
0
0
4 blocks
Northern Rough-winged Swallow
CO
14
7
19
53 blocks
Northern Shoveler
OB
0
0
0
5 blocks
Northern Shrike
OB
0
0
0
1 blocks
Northern Waterthrush
OB
0
0
0
11 blocks
Olive-sided Flycatcher
OB
0
0
0
6 blocks
Orange-crowned Warbler
OB
0
0
0
3 blocks
Orchard Oriole
CO
14
15
21
57 blocks
Osprey
CO
0
0
1
35 blocks
Ovenbird
CO
7
20
3
39 blocks
Palm Warbler
OB
0
0
0
35 blocks
Pectoral Sandpiper
OB
0
0
0
3 blocks
Peregrine Falcon
OB
0
0
0
3 blocks
Philadelphia Vireo
OB
0
0
0
3 blocks
Pied-billed Grebe
PO
1
0
0
18 blocks
Pileated Woodpecker
CO
25
25
10
68 blocks
Pine Siskin
OB
0
0
0
22 blocks
Pine Warbler
PR
8
3
0
21 blocks
Prairie Warbler
CO
10
16
3
37 blocks
Prothonotary Warbler
CO
4
3
3
13 blocks
Purple Finch
OB
0
0
0
32 blocks
Purple Martin
CO
7
0
25
41 blocks
Red Crossbill
OB
0
0
0
1 blocks
Red Phalarope
OB
0
0
0
1 blocks
Red-bellied Woodpecker
CO
9
20
38
72 blocks
Red-breasted Merganser
OB
0
0
0
10 blocks
Red-breasted Nuthatch
OB
0
0
0
36 blocks
Red-eyed Vireo
CO
23
29
12
68 blocks
Red-headed Woodpecker
CO
12
6
18
46 blocks
Red-shouldered Hawk
CO
20
9
35
68 blocks
Red-tailed Hawk
CO
29
8
21
68 blocks
Red-throated Loon
OB
0
0
0
1 blocks
Red-winged Blackbird
CO
6
9
48
65 blocks
Redhead
OB
0
0
0
7 blocks
Ring-billed Gull
OB
0
0
0
35 blocks
Ring-necked Duck
PO
1
0
0
40 blocks
Rock Pigeon
CO
39
12
8
65 blocks
Rose-breasted Grosbeak
PR
2
2
0
23 blocks
Rough-legged Hawk
OB
0
0
0
3 blocks
Ruby-crowned Kinglet
OB
0
0
0
46 blocks
Ruby-throated Hummingbird
CO
20
15
12
53 blocks
Ruddy Duck
OB
0
0
0
16 blocks
Rusty Blackbird
OB
0
0
0
15 blocks
Sandhill Crane
OB
0
0
0
2 blocks
Savannah Sparrow
CO
2
1
2
25 blocks
Scarlet Tanager
CO
16
27
7
57 blocks
Scissor-tailed Flycatcher
OB
0
0
0
2 blocks
Semipalmated Plover
OB
0
0
0
3 blocks
Semipalmated Sandpiper
OB
0
0
0
5 blocks
Sharp-shinned Hawk
PO
5
0
0
44 blocks
Short-billed Dowitcher
OB
0
0
0
1 blocks
Short-eared Owl
OB
0
0
0
3 blocks
Snow Bunting
OB
0
0
0
1 blocks
Snow Goose
OB
0
0
0
10 blocks
Snowy Egret
OB
0
0
0
3 blocks
Solitary Sandpiper
OB
0
0
0
28 blocks
Song Sparrow
CO
12
22
31
69 blocks
Sora
OB
0
0
0
2 blocks
Spotted Sandpiper
OB
0
0
0
21 blocks
Stilt Sandpiper
OB
0
0
0
1 blocks
Summer Tanager
PR
0
1
0
4 blocks
Swainson's Thrush
OB
0
0
0
12 blocks
Swallow-tailed Kite
OB
0
0
0
1 blocks
Swamp Sparrow
PR
0
1
0
38 blocks
Tennessee Warbler
OB
0
0
0
9 blocks
Tree Swallow
CO
8
4
44
62 blocks
Tufted Titmouse
CO
10
11
47
71 blocks
Tundra Swan
OB
0
0
0
18 blocks
Turkey Vulture
CO
45
11
5
70 blocks
Veery
OB
0
0
0
7 blocks
Vesper Sparrow
CO
4
3
1
13 blocks
Virginia Rail
PR
0
2
0
2 blocks
Warbling Vireo
CO
10
7
2
31 blocks
Western Kingbird
OB
0
0
0
2 blocks
Western Sandpiper
OB
0
0
0
1 blocks
Whip-poor-will
PR
0
2
0
4 blocks
White Ibis
OB
0
0
0
2 blocks
White-breasted Nuthatch
CO
25
22
22
71 blocks
White-crowned Sparrow
OB
0
0
0
37 blocks
White-eyed Vireo
CO
18
14
7
45 blocks
White-rumped Sandpiper
OB
0
0
0
1 blocks
White-throated Sparrow
OB
0
0
0
66 blocks
White-winged Crossbill
OB
0
0
0
1 blocks
Wild Turkey
CO
26
5
21
56 blocks
Willow Flycatcher
CO
8
15
4
34 blocks
Wilson's Snipe
OB
0
0
0
10 blocks
Wilson's Warbler
OB
0
0
0
5 blocks
Winter Wren
OB
0
0
0
31 blocks
Wood Duck
CO
9
7
17
44 blocks
Wood Thrush
CO
15
31
14
63 blocks
Worm-eating Warbler
CO
4
2
6
25 blocks
Yellow Warbler
CO
11
17
3
40 blocks
Yellow-bellied Flycatcher
OB
0
0
0
4 blocks
Yellow-bellied Sapsucker
OB
0
0
0
60 blocks
Yellow-billed Cuckoo
CO
28
20
5
62 blocks
Yellow-breasted Chat
CO
12
15
4
32 blocks
Yellow-crowned Night-Heron
OB
0
0
0
1 blocks
Yellow-headed Blackbird
OB
0
0
0
1 blocks
Yellow-rumped Warbler (unid. Myrtle/Audubon's)
OB
0
0
0
61 blocks
Yellow-throated Vireo
CO
10
11
3
31 blocks
Yellow-throated Warbler
PR
1
2
0
6 blocks
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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: 18-May-2013