In a message dated 11/26/2004 6:06:39 PM Eastern Standard Time,  
 writes:

There is  a hatch of tiny black stoneflies
from the river so this is probably what  they were feeding on.




Gail, 
We discovered not only the stoneflies but also some smaller midge-like  
insects, many of which were walking on the concrete of the bridge along with the  
stoneflies. A large turtle was also sunning in the pond below, so though it was 
 in the high 20's early, it warmed up enough for these animals to be out.
 
Rick Sussman