[va-richmond-general] Temperature Difference

Here are the results of two birdwalks one week apart. 
The Birds of Bryan Park
 
Abbreviations indicate species? status in Bryan Park: (h) = historical, 
y = year-round resident, 
m = migrant, 
s = summer breeder, 
w = winter visitor
1,7,8= seen/heard on Aug. 1st, 7th, or 8th of 2004. Last year on Aug. 2, 2003, 
we had 37 species.
 
Species:
Great Blue Heron y                        1,8
Green Heron s                                   8          
Canada Goose            y                 1,8       
Muscovey Duck y                        1,8       
Wood Duck y                                  8
American Black Duck w              1,8
Mallard y                                     1,8
Domestic ducks, geese y             1,8       
Cooper?s Hawk (im.) m              1
Red-shouldered Hawk y             1,8
Red-tailed Hawk y                        8
Killdeer s                                       8
Rock Dove y                              1,8       
Mourning Dove y                      1,8
Yellow-billed Cuckoo s             1, 7
Barred Owl y                            1
Chimney Swift s                       1,8
Ruby-throated Hummingbird s 1,8
Belted Kingfisher y                  1,8
Red-bellied Woodpecker y      1,8
Downy Woodpecker y            1,8       
Northern Flicker y                      8
Eastern Wood-Pewee s            1,8
Great Crested Flycatcher s      1,8
Eastern Kingbird s                   1,8
Blue Jay y                               1,8
Barn Swallow s                       1,8
Carolina Chickadee y                 8
Tufted Titmice y                    1,8
White-breasted Nuthatch y       8
Carolina Wren y                     1,8       
Blue-gray gnatcatcher s             8
Eastern Bluebird y                    8
American Robin y                 1,8
Northern Mockingbird y         8 
Yellow Warbler s                     8
Black-and-white Warbler s      8
American Redstart s                8
Northern Cardinal y             1,8
Indigo Bunting s                   1,8
Common Grackle y              1,8
Brown-headed Cowbird y    1
House Finch y                      1
American Goldfinch y          1,8
 
A cool dry temperature appeared to produced more singing and more activity on 
the 8th compared to the warm humid temperature on the 1st.
 

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