[va-bird] Difficult Run BBS (Fairfax County, mostly Oakton)

Hi y'all,
This is probably my last report of the summer.

From June 5 to 18 on several mornings I was out
in the Difficult Run Stream Valley (mostly
Oakton) doing the Fairfax Audubon Breeding Bird
Survey. I surveyed 79 sites most of which are
wooded, though many of the spots were previously
wooded and are now suburbanized or urbanized.
Most of the woods is narrow, within earshot of
backyards. I covered most of the area along
Difficult Run between Fairfax County Government
Center and Flint Hill School/Oak Marr to Hunter
Mill Rd.  This survey is similar to USGS survey
except the sites are about .5 km apart (instead
of .5 mile), the count time is 5 minutes(instead
of 3), and most of the sites are covered on foot
and are not along roads.

Here are my results. The first number is the
total; the second is the percent of the sites
that had this species.
Canada Goose 16/3
Wood Duck 1/1
Mallard 14/6
Red-shouldered Hawk 9/11
Killdeer 3/3
Rock DOve 5/3
Mourning DOve 28/27
Chimney Swift 40/28
Ruby-throated Hummingbird 2/3
Red-bellied Woodpecker 55/53
Downy WOodpecker 45/48
Hairy Woodpecker 5/6
Flicker 8/10
Pileated Woodpecker 7/9
Wood Pewee 26/33
Acadian Flycatcher 52/41
Phoebe 16/20
Crested Flycatcher 12/14
Kingbird 8/9
White eyed Vireo 5/5
Yellow-throated Vireo 2/3
Red-eyed Vireo 50/49
Blue Jay 33/29
American Crow 143/45
Fish Crow 6/5
Rough-winged Swallow 1/1
Barn Swallow 8/5
Carolina Chickadee 83/65
Tufted Titmouse 127/80
White breatsed nuthatch 32/34
Carolina Wren 141/84
House Wren 18/20
Blue-gray Gnatcatcher 36/34
Blueird 10/10
Wood Thrush 21/19
Robin 32/23
Catbird 22/15
Mockingbird 35/34
Thrasher 5/5
Starling 37/10
Waxwing 1/1
Parula 7/9
Pine Warbler 3/4
Ovenbird 4/5
Lousiana Waterthrush 8/9
Kentucky Warbl. 1/1
Yellowthroat 4/3
Hooded Warbler 1/1
Scarlet Tanager 7/9
Towhee 23/22
Chipping Sparrow 9/11
Song Sparrow 27/19
Cardinal 200/89
Indigo Bunting 14/16
Redwing Bbird 25/9
Grackle 32/24
Cowbird 21/20
Baltimore Oriole 2/3
H0use Finch 29/19
Goldfinch 53/51
House Sparrow 14/5 

Other birds seen but not during the count period
include turkey, belted kingfisher, barred owl,
great horned owl, red-tailed hawk, sharp-shinned
hawk, cooper's hawk, tree swallow, yellow-billed
cuckoo, orchard oriole, but no chat, prairie, or
field sparrow in places where i have found them
in the past. Woodland birds like tanager,
yellow-throated vireo, ovenbird, wood thrush,
kentucky warb, hooded warb, waterthrush, and pine
warbler seem scarcer than in the past.

I hope you all have a great summer full of
fantastic views of wonderful birds doing
fascinating things!

Fred

=====
Frederick D. Atwood     fredatwood@xxxxxxxxx
Flint Hill School, 10409 Academic Dr, Oakton, VA 22124
703-242-1675     
http://www.agpix.com/fredatwood
http://www.flinthill.org

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