Aug. 4th 1874 Accepted Cooper's young walking over the edge of a depo basin I was attracted by a shrill whistling cry repeated at intervals and peeling quietly down to the place saw a brood of four Cooper's hawks sitting in a row along a fallen log. Every little while one or other of them would raise his wings and flapping them to maintain his balance would walk a few steps lengthwise on the log at the same time uttering the whistle above described which by the way was quite a different note from that heard yesterday. They sat very quiet and motionless as they now had all their feathers and stem characteristic of those of the family. Shooting one of them the rest flapped up into the tree above when I heard another when the remaining two disappeared. I found under their roost a half grown grown molly plucked with the head & brast around. Further down the hill I started three pigeons quite unexpected- ly and putting both,