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 Behle and Perry (1975) have the autumn migration period of occurrence for 
Long-billed Dowitcher as July 12 - November 15; Greater Yellowlegs as July 8 - 
December 15.  So I guess those sightings are a bit off!   
Cheers 
JFC 
John F. Cavitt PhD 
Dept. of Zoology Weber State University 2505 University Circle Ogden, UT 84408-2505 "A thing is right when it tends to preserve the integrity, stability, and beauty of the biotic community. It is wrong when it tends otherwise." Aldo Leopold  |