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Loudoun Co. (VA) 2009-2013

All Species Summary

Species Summary
72 blocks with records.
120 total species: 102 CO, 12 PR, 6 PO , (plus 131 OB)

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