Both yesterday and today (Wed. and Thu., Nov 18, 19) an immature Cooper's Hawk was soaring over the Mall, near the Smithsonian Castle. In both instances, it was the behavior of starlings and crows that alerted me to its presence - the crows chased it, and the starlings formed up into flocks and the flock chased the hawk. Jim Jim Felley Smithsonian Institution irmss668@sivm.si.edu